N55 afr Read JB4's tutorial on how to datalog, and adjust your JB4, how to read your HPFP, FOL, etc. The remaining columns are Rpm, Target (boost target set by the JB4), Boost (actual boost pressure at the manifold), IAT (intake air temp), PWM (pulse width modulation), FP_H (High Pressure Fuel Pump), IGN1 (Ignition N55 Vacuum leak. Blog. 0 AFR. It is fully functional but may need here and there some polish. 206 likes, 9 comments - bymfabrication on July 18, 2024: "Bym big turbo N55 product reveal ! What’s included in our kits . Bolt on upgrades: Decat downpipe, Stepped intercooler, MST Performance intake kit for BMW 2, 3 & 4 Series cars that are equipped with the N55 engine, including the BMW M2 (F87). 0. 124. Does anyone have data on how much flow it should read @ 1000rpm? Disconnecting it the car run better _____ M135i 8AT PWG, MHD, Pure Stage2, WMI via Torqbyte CM5-LT, Custom So all the usual goods are functional: Timing control, Autotuning, Command Center, wastegate compensation, full diagnostics, code reading/clearing, in-dash gauges for boost/meth/afr, etc,. . 6 AFR at full throttle, and some timing corrections. Accesstuner Support for Honda. The car came with a catless downpipe and and upgraded charge pipe. G42Model Year: 2021 + F44Model Year: 2020 + Previous Trying to learn how to tune my N55 myself. Enlisted Member . In general these cars tend to target a leaner AFR in comparison to what you would tune an older car with a turbo kit for. F40Model Year: 2019 + Previous Generations Do 20% and slowly work up by reading your data logs, you will need to adjust the FOL higher to bring the AFR's down. Just got a N55 and had a few questions. tuning bringing it all together #135i #n55 N55 (535i) with 170k miles checking in, since I’ve owned it I’ve done the alternator, HPFP, HP fuel sensor, plugs, coils, water pump and thermostat and a few oil changes. tuning #bmwn55 #bmwn55bigturbo #n55tuning #n55singleturbo #bmwm2 #bmwm235i #bmwmotorsport #bmwm135i #bmw435i". Warm OK codes 118401 and 118001 If the AFR is not moving then you have an O2, wiring, or software issue. Stock run was 200kw (232kw spike) 411nm. 4 from about 2200-4300 RPM, then stays in the 14. I called the local BMW dealer and made an appointment and wanted to double check if it would be covered since the car it's CPO until 12/16 but they could not confirm. If O2 Pre cat is selected as well as AFR and RPM. In BM3 STFTs are as a whole number, so 1 is no corrections, >1 is adding fuel, and <1 is pulling fuel, where 1. E81 / E82 / N55 Code P0171 Bank 1 Too Lean with Cold Air Intake. . Exclusive Beaded adire kaftan Fabric: Adire crepe Price: N55,000 . The tune was developed by @JPuehl, @Stokes, and myself via MHD. com. Realme Narzo N55 Full Specifications. E81 / E82 / E87 / E88Model Year: 2004 - 2011. I won't touch on it too much here (since Looking at the log above, besides the timing correction on cylinder 1 (which I will try to fix by adding a bit more E), everything looks to be normal except the AFR between 5. We can see that for a Stock 335 N55 with custom cobb tune (only mods are Cobb air filter and post intercooler boost tube). when going for a higher boost level your aim is to prevent the car from having a lean AFR either by increasing fuel octane or volume. 10 is 10% fuel added and . It is rather rare for this to Realme Narzo N55 internal storage base variant of 4 GB, 8 GB Ram, 64 GB, 128 GB Internal Memory (ROM). Drives: 2018 Audi S3. afr question BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > *** bootmod3: N55-PWG172X v8. They are cyclical BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > BM3 Stage 2 Log Review, 14' 335i xDrive N55 Google Search Search Forums BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > IS MY AFR Way to high??? Google Search Search Forums The N55 generally replaced the N54 in most applications, especially after the release of the N55HP in 2011 for 2012 models, but high-output versions of the N54 remain in production. Any ideas? 96k miles . At first i thought it could be the hpfp because my mechanic told me that can be the cause so i decided to take out the mhd scanned In normally aspirated engines, a stoichiometric mixture is one that is 14. Yup seems afr are indeed a tad rich. (MapSwitching,FlexFuel,AntiLag) N55 EWG Engine Support and the New Map Editor - Now Available! For details refer to this link: bootmod3 CustomROM V1 Features + New Map Editor + UI Enhancements. This map utilizes units of AFR as the units. The sensors are located in the down pipe. 5-0. It's going to be leaner than that. Does anyone have a tip where to start? Thanks Attached One thing that is bothering me is the intermittent rough idle this N55 engine has but nothing visible on the RPM indicator. OEM M2 map is really great learning maps on how to self-tune your N55-EWG cars with BM3. AFR doesn't fluctuant much other than when it misses so I'm not sure if an injector is going, but it's on the table. We produce in Wholesale for boutique, individuals, online stores, dropshipping etc. Pure Turbos Stage 3 (PS3) dyno results for N55. I have a 2008 BMW 335i with the N54 twin turbo inline 6 cylinder engine. 5 at high load in order to lean out the AFR from (for example) 11:1 at very high load on pump fuel to a cleaner and crisper 11. (click link in bio to Join our group) ***** Production time: 7-10working days Kindly send a DM to Order . 3. The BMW N55 utilizes internal wide-band oxygen sensors to monitor fuel mixtures. 4 by 4K rpm it jumps to 16. 5 - 19 reviews $ 18. But based on the trims I can tell there is still E85 in there. Therefore, E85 mixtures will not read richer AFR’s even though actual AFR’s I think this is normal since others with N55's have reported similar behavior, and that this is BMW's way of dealing with some of the challenges that cold starts with direct injection presents. Tags lambda sensor o2 sensor. A HPFP failing can immediately lead to low fuel pressure, misfires and dangerous lean Without a doubt, the VRSF 3″ Catback Exhaust for your N54 & N55 135i is THE most cost effective option in the market. Jump to Latest Leave the O2 sensor's alone, they clearly are capable of controlling the AFR. Hide legend Reset zoom . Bym big turbo N55 product reveal ! This kit going to @n55_weapon @afr. Also STFT. With a toggle switch in the cockpit. Appreciate 0 Weird, the tables for the N55 actually had AFR rather than lambda. Skip to content. 8 AFR, but only in 1800-3600RPM Full Load area! In this case, it's better to tune all richer maintaining all Bank1 & Bank2 MAX AFR below 12. When pushing the N55 limits, a small issue can turn into a major one. You should N55 with FBO, mhd stage 0 tune. Reactions: doublespaces. F40 Model Year: 2019 + Previous 335i stage 1 Vargas , stage 2 lpfp , intake, ER downpipe, awe full exhaust, Phoenix fmic , jb4 map 7 50/50 e85/93 my afr a little high during full throttle . 2. It turned o *Note 1*: on some engine variants like the S55 and N55 (excluding the m2), BM3 will offer free OTS MAPS that are actually the higher powered OEM variants from these What's the AFR at full boost with B58 + JB4 ? Bimmerpost ☰ Model Selection. Find the max allowable boost according to AFR /lean/rich and bam, you have your max boost settings, if you use a dual stage boost controller, one set there for fun times, the other stage is set to stock for DD. 2-12. iTrader: Garage List Model-Specific Engine Tuning & Modification Discussion. A big thanks to Pure Turbos for releasing another awesome product for the E series N55. Left blank by default, the pictured table uses +. This is in line with tune only n54 engines. I'm in the middle of tuning mine, but I want to make sure what - What's the proper AFR with PI integrated? Thanks in advance, Attached is a log with Fuel Biases set to 50 across Comparison between stock vs stage 2 upgrades on 135i N55 DCT. Comes with injection rail and an 2011 BMW 335i e92 N55 FBO MHD S2+ _____ 2009 BMW 335i 6MT - DOC RACE 6266 BB IG: @Verifyez. News * 93 Octane Pump Gas+Meth Dorch Stage 2 HPFP LPFP: 520+whp Custom tuning for N55 Stock turbos/stock fuel system is available for pump gas, race gas, and ethanol blends with methanol injection. Page of 1. 5 degrees timing, 12. X. BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > N55 PURE Stage 2 Turbo Upgrade - New World Record !!! Having a basic understanding of data logging and reading logs is also helpful. It looks like the car went lean, STFTs added a bunch of fuel, HPFP pressure dropped and the car went too rich, then AFR went back up and stabilized and HPFP recovered. Last edited by WrxToBeamerGuy; 08-26-2022 at 01:20 AM. You also said your car sounds differently F30 N55 crazy AFR after Pure Stage 2, Dorch, JB4, MHD backend. N55. 197 likes, 9 comments - bymfabrication on July 18, 2024: "Bym big turbo N55 product reveal ! What’s included in our kits . Accel Ped. The N55B30 engine was used in BMW’s 35i and 40i cars. A few things we've So all the usual goods are functional: Timing control, Autotuning, Command Center, wastegate compensation, full diagnostics, code reading/clearing, in-dash gauges for boost/meth/afr, etc,. 4 then by 6500rpm it New Update for MHD Flasher F+G Series: MHD+ Menu System for all S55 and N55 F-Series cars! Todays update S55 map update (v1. 5:1 afr. Drives: 2013 E92 Bmw N55 Turbo Diagram Bmw N55 (f/e Series) (91acn, 93oct, 98; Bmw M60 Wiring Diagram [diagram] Bmw E34 540i Wiring Diagram; Bmw E46 320d Engine Diagram Bmw 320d E46 Motor; Bmw N54 Cooling System Diagram Diagram Bmw Coolant Hose 2008; Bmw Real Eom Diagrams Bmw E46 Wiring Diagram Model-Specific Engine Tuning & Modification Discussion. Overall Adding power to these cars often means manupulating boost, timing, and AFR to achieve more power. Sort by date Sort by votes R. Location: Michigan Ave. 7, or I must consider a mid value? after 4000RPM everything the AFR was balanced ankaraexclusive on November 6, 2024: "Batik SET at It’s finest . I've never experienced any The AFR target is a parameters in the log. For MHD OTS tunes, the actual boost generally falls pretty short of target boost, if it wasn't for your really negative STFT, We offer a wide selection of OTS maps for the N55 engine suitable for many different vehicle modifications and octane levels. Only throws misfire codes. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations; F22 I'm looking for some examples on your PI Settings with the Fuel-it Port Injection Controller integrated to the JB4 on a N55 PWG with Pure Stage 2 kit. 0 inline-6 turbo engine. Use of a positive number will add to the preceding target AFR resulting in a leaner final AFR. Since there is a pressure sensor before the HPFP, this means the DME is having to pull fuel to meet AFR targets and if the trim is above "1", this means the DME is having to add fueling to meet AFR targets. E92 '08 335Xi 6AT - Cobb AP3 Tuned by MAC Autosport, Original Prototype Xi DOCRace 6266 Single Turbo Swap, VRSF CP w/Synapse BOV, VRSF 7" FMIC, BMS Cowl, H&R Coilovers, Renn Motorsport RS-51's, Stoptech Stage 2 Slotted, xHP Stage 3, N55 boost loss. Collapse. F40Model Year: 2019 + Previous Generations; F20 / F21 Manuel, I’m actually struggling with the same problem --> AFR falls below 11. In Wot, the WGDC is always 0 and AFR is very high. Signs of N55 Water Pump Failure: Engine overheating significantly – usually rapid over-heating once the pump fails Cooling Fan running full speed (noisy) Coolant boiling out of coolant cap N55 CEL Codes for Failing Water Hi Harkes, seems like you and Jeremy diverge with interpreting the data unless I am misunderstanding (totally possible). I remain within 60 psi (generally within 30-50) for rail pressure, so I assume that's good. I assume our AFR readings from data logs are just an average across both banks. AFR Tuning. _____ M135i 8AT PWG, MHD, Pure Stage2 I was wondering about that considering the AFR they run under load. Screenshot the Outfit of choice. On the Lexus 'dual injection' engines that have both port and direct injection (2GR-FSE, 3. 522 JAC Motors’ state-of-the-art fault diagnostic and vehicle monitoring and control systems are standard fitment, ensuring that the N55’s health always surpasses the expectation levels of transport operators. N55: moving the MAF to a new intake. 4 - 14. tuning #bmwn55 #bmwn55bigturbo #n55tuning #n55singleturbo #bmwm2 #bmwm235i #bmwmotorsport #bmwm135i #bmw435i E92 335i N55 - Wagner HF DP, Magnaflow Catback, VRSF 7. here is where the M3 HPFP swap/upgrade stock one comes in handy. 15 to AFR 11. Car: BMW 335i 2011 E90 N55 PWG Upgrades: Hybrid turbo (made in Brazil, but similar dimesions of a Pure stg2) BMS intercooler 5" BMS Intake Pure inlet pipe N20 TMAP sensor JB4 / bluetooth Problem: While runnig the base map (also made here in Brazil) the car runs fine, but as Target AFR; Ignition Timing; Fuel Delivery including fuel pump calibration (using the same style pump as OEM) N55 models will typically get an upgrade to the high So all the usual goods are functional: Timing control, Autotuning, Command Center, wastegate compensation, full diagnostics, code reading/clearing, in-dash gauges for boost/meth/afr, etc,. Appreciate 0 Quote 06-24-2022, 11:06 AM #9: njang92. Also, the shape of the AFR curve is the same as the HPFP curve. Knocking noise at start up and when engine is cold. S63 Yeah N55 can't really go below around 1500psi rail pressure without breaking up so just a LPFP upgrade doesn't even really help. ⤵️⤵️⤵️⤵️⤵️⤵️⤵️⤵️ @evernky_exquisite_fashion M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > Max boost you're getting on a standard car Post Reply. Accesstuner Support for Mazda. Frequently asked questions A lean AFR code is typically the result of the DME changing the fuel trim over time until it hits a limit. Captain . F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: Then your O2 sensor detects the lean condition, and has to add a Correct but the N55 is running closed loop - also under WOT. WGCD=0 and AFR too high in WOT. This exhaust is made from the highest quality 304 grade, mandrel bent stainless steel and we include super-flex, About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright So far no issues with lean codes or AFR issues, The e series n55 is challenging to dial in using pid. It takes work. 4,194. tuning". Range is anywhere from 15. Quote 10-08-2020, 12:13 AM My 335 had idle issues and It's time for MHD to enter the open beta state on N55 E Series! You'll find below the product description. 99. 8) during WOT pull and it holds it very rich even into the next gear. BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Correct JB4 settings? Thread Tools: Search this Thread 03-08-2019 Your last safety was for lean AFR. _____ Current 23 G80 M3x | 20 X7 M50 Previous 20 X4M, F90 M5, F80 M3 IG: @bmwF9xG80. It seems clear that I have a problem. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations; F22 Learn about N55 Bootmod3 tunes. 3. I don’t think the product is posted on their website but if I 9. 9 just bouncing around slightly, the other bank afr reads 13. 2. Obviously, one that has less air is richer and Our first release of the bootmod3 CustomROM is now ready for the N55 engine vehicles while we continue to work on adding these features to other vehicles in the bootmod3 lineup. Posts. I have an N55 so only 1 "bank," but, AFR always settled to 235 until I started having an injector issue. Audis have had similar issues, I think. All Time Today Last Week Last Month. The car feels more powerful but my gas mileage has gone to hell. Results will vary depending on the In addition to increasing boost and adjusting AFR etc, Everything I've read about catted downpipes installed on stock tune M235s and N55 M2s has been quite positive. I have a 2011 335i X Your STFT gets very negative (pulling fuel out to keep AFR on target) as your rpm's rise, which could be explained by a boost leak. Join Date: Sep 2023 Getting around 14. BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) > Technical / Specific Topics > 135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications: AFR N55. Currently only the stage 1 maps (stg1 and 1+ N55: moving the maf to a new intake bmw series coupe forum, 50% off Mass air flow sensorSensor mass air flow e60 bmw replacement large series 2003 connector extra fuel techarticles pelicanparts 2004 e320 outside temperature sensor locationBmw e60 5-series mass air flow sensor replacement (2003-2010). Anti-Lag All new CustomROM tunes come with our fixed BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Car into LIMP MODE Help you are having some very weird numbers for your AFR and your Fuel Rail Pressure which dips to a very low value. Hope you can sort it and push boost further! Appreciate 0 Quote 01-14-2016, 12:42 2. It’s going to need an oil pan gasket soon as well as new This map utilizes units of AFR as the units. We have tons of content for the N55, and we’re always adding more. AFR started hanging around 200 and/or bouncing off 235. Appreciate 0 Tweet. Hi I am suspecting my MAF to be bad causing stumble and erratic AFR at idle. 7 to 10. Discuss all things tuning in this section. HOW TO ORDER 1. BMW N55 general information, standard maintenance, common problems, tuning, and modding. Previously had E39 525i and E60 525i but both of them had smooth idle. Switching to fifth we see the AFR drop to 11. Includes a performance nanofibre dry air filter, fitting kit, aluminium intake pipe with CNC machined MAF housing AFR also plays a major role, octane could obv cause it like you say, but sometimes as a tuner can richen AFR and that results in lower uch EGT, lower cylinder temps, Because I've seen many enough - with N55 EWG hybrid STG2 turbo, the 450whp normally comes with 19-20psi (more importantly high filling %) and maxed out timing. The BMW N55 utilizes manifold absolute So all the usual goods are functional: Timing control, Autotuning, Command Center, wastegate compensation, full diagnostics, code reading/clearing, in-dash gauges for Near that 4K mark is where AFR tends to target lower, 12. Send the Screenshot to the Designer Below. These are some of the available monitors: Boost, Boost Target, Lambda (AFR), Intake Air Temp (IAT), Ignition Timing per Cylinder, Coolant Temperature, Oil Temperature, Oil Pressure, Transmission Temperature, High Pressure Fuel Pump N55 EWG (electronic wastgate) Stage 1 (up to 360HP/540NM) - 91oct/95ron, 93oct/98ron, 95oct /102ron Bym big turbo N55 product reveal ! What’s included in our kits . Bimmerpost ☰ Model Selection. F40Model Year : 2019 + Previous Generations; F20 Would you know if AFR goes under a different name on MHD? Also I a unaware of how to reset adaptations. **The N54 O2 sensors read lambda NOT actual AFR’s. The tuner sets the target lambda based on a variety of conditions. While on the road for awhile one bank afr will read 14. And why the ignition is so It is also normal to have the AFR display 235:1 when car is coasting in gear or under a misfiring condition where the DME will cut off fuel to the misfiring cylinder(s). @Evernky_exquisite_fashion This beauty is available for your orders. My car misfires only on cold starts for about a a few seconds to a minute. Sale! + This product Special Order Item Fitment: 2008-2013 135i N54 / N55 3. Appreciate 0 Quote 07-22-2016, 12:51 PM #15: Jadar. Thanks to its larger ducts and its shape, it accelerates the flow of air that enters your engine. About; Contact Us; Otherwise, keep an eye on AFR’s to M Overrun Brap (not pops) on regular F3x N55 like M2 N55 has it General Tuning Discussion Forum Posts. Accesstuner Support for Ford. On this specific log it is interesting to note that in this log the AFR in 4th gear ranges from 13. Pos. F40Model Year: 2019 + Previous Dinan CAI/N55 PWG BIG TURBO|BMWF30. BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Stalled in park, 2BF4, 2BEA, 2BC0, 2C42 causing the AFR to dip for a split second. Our page dedicated to the amazing BMW N55 3. Hey everybody, I just changed all the coils and plugs on my n55 due to misfiring. Appreciate 0 Quote 11-29-2017, 05:40 AM #25: PackPride85. Features: T304 Stainless Steel 3. 411. My car is a BMW F30 with the N55 engine and PWG Turbo. 9sec Our custom pump fuel tune 447HP & 621NM / 100-200 = 8,79sec Custom e40 tune 478HP & 733NM 100-200 = 7,93sec / corrected 7,83sec Optimal AFR levels at WOT. These are some of the available monitors: Boost, Boost Target, Lambda (AFR), Intake Air Temp (IAT), Ignition Timing per Cylinder, Coolant Temperature, Oil Temperature, Oil Pressure, Transmission Temperature, High Pressure Fuel Pump (HPFP), Throttle Position, Wastegate Duty-Cycle (WGDC), RPM, Speed, EGT etc. t r n o o e s S p d e g 4 r c 3 f 0 N55 stock turbo sauce BMW 335I F30 RWD Specs -Downpipe -intercooler -intake -Bosch Tu pump Car came in with an stage 2 OTS map Made 418HP & 524NM / 100-200= 9. If your solenoid is buzzing then that probably is the culprit. Happens every cycle of the crank. Filter. 65 bar. F40Model Year : 2019 + Previous Generations MAF without a correcting tune you will lose power and you computer will constantly be trying to adjust things as the AFR it will get from the O2 sensor will not tie in with the air it thinks is coming in from the MAF sensor. - (%) Actual Load - (Load) Baro Pressure - (PSI, kPA, kPA) Battery Voltage - (V) N55 Misfires Cold Start. As a result, the values in Fuel (Bank 1) and Fuel (Bank 2) are a closed loop target that the DME will always work to achieve. tuning on October 17, 2023: "N55 stock turbo sauce BMW 335I F30 RWD Specs -Downpipe -intercooler -intake -Bosch Tu pump Car came in with an stage 2 OTS map Made 418HP & 524NM / 100-200= 9. 5:1 AFR target for all light load which is good for both economy and should get rid of any smell too If your target is 500hp, then the n55 with pure stage 2 and a tune and high flow downpipe and an intercooler are probably going to get you close to that reliably enough. 6-14. Before the exhaust I could easily get 18 to 23+ mpg now I can barely get 13. 1. ankaraexclusive on December 24, 2024: "Now taking orders. Page I’d be worried seeing n55 AFR @16+. Bootmod3 horsepower gains, and mods. If any instance occurs that doesn't meet those limits, I get misfires. With more power comes higher combustion chamber temps and an increase in a "super knock" situation which is where the piston is hit so hard with detonation that it hammers the piston and rod so violently that the rod momentarily breaks through rod and rod In this video I show you how I was able to diagnose my bad O2 sensor . Announcement The only difference between the n54 and n55 exhaust manifolds are the mounting holes in a few of the locations on the head. The BMW N54 uses two internal wide-band oxygen sensors to monitor fuel mixtures one in the front and rear engine banks, sensors are located in each down pipe respectively. While having the same Stoichiometric AFR for N55 with COBB Stage 1. F Chassis N55 BM3 tuning. The DME is setting Unlike the N54, the N55 is also equipped with a MAF sensor that is utilized in parts of the DME logic, mostly for WGDC/Boost control. 2 done by a shop under extended warranty because of codes coming up and the other 4 done by me because car kept misfiring and they quoted $1,200 These are target tables; they are used by the DME to set the desired AFR. So even changing the AFR BIAS figures in the user setting would NOT affect the values reported in the logs, as the JB4 sits AFTER the DME. 5" Competition HD FMIC, Masata CP, BMS Intake, M3 Strut Brace, MHD STG2+ 98 RON. Appreciate 0 Quote 08-27-2022, 01:43 AM #5: WrxToBeamerGuy. Questions: Can someone pls help to check if this AFR in the base map is OK or its too rich? How should be an OK AFR for an N55 engine running E30 fuel? Tks in advance :-) COBB AP on N55 - PROs and (many) CONs. Join Date: Dec 2010. No luck, eventually in closed loop the car will deviate. The codes say the DME is adding 25-30+% fuel because the engine is running lean. The target lambda also varies from tuner to tuner, and widely at that. A few things we've learned about the n55: 1) On pump gas, expect 340-350whp/370-380lbt-ft TUNE ONLY at 14-15psi peak. 5″ Turbo to Downpipe V-Band Exhaust Clamp for BMW 135i, 335i, 535i, 640i, Z4, M3, M4, M5, M6 N54/N55/S55/N63/S63 11657620508. 8 N55 oil smell like fuel Few days ago, I have asked on fb group about the fuel in oil smell and possible leaking injectors. 1767. The stock HPFP on the F-series N55 is undersized, to the point of running out of volume with FBO on 100oct, map7. First Lieutenant . Diagnosis was done only with the smell of the oil by the mechanik, so I was not happy with this kind of ‚diagnoses’ and want to be sure if i ethanol mixture on stock n55. But that won't cause your AFR's to go lean, or cause stalling at a stop (the vacuum in that line comes from a vac pump, About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright **Bolded Monitors indicate default data log parameter. The engine management system is now Bosch MEVD17. The app is in an open beta state. 5L This aluminum intake manifold for N55 engines will allow you a better performance on your build. 43. 0 OTS maps - Now Available! Google Search BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > 2015 - Cold engine hesitation. Search. This is happening continuously. This is a Hey guys, quick update on something new we've added and changed for all BM3 users. Dejan. N55 FBO, Proturn + aFe Stg 2 Dyno. 9 range from 4300 - 5400. We also 63 likes, 1 comments - afr. A "tired" O2 can give symptoms For my car, I've got to keep loads at 190 or less and run no richer than 12. Issues After Going 1-Step Colder N55 E. BMW N55 BM3 stage 1 & stage 2 tunes. Name: Then, it uses the O2 sensor to see what the actual AFR is, and uses STFT to add or subtract fuel to reach the target AFR. 3597 to 4558 rpm VRSF 3. AFR is now a tad richer, this works much better on all octanes, minimizing ignition correction on lower quality fuels. 400whp is 470hp assuming 15% N55 MAF flow data. 7 which is a happy place for a Direct injection car. Tech Articles. I have ordered a new O2 sensor - will report if itsolve the problem. Lieutenant BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Coding the N55 for E100 fueling Additionally, we will happily provide free logs analysis. 0 post Its just a correlation though, not necessarily causation. 2 or lower depending on tune. Support & Log Review. Air Fuel Ratio (AFR) - A leaner mixture is more prone to pre-ignition, where a richer mixture has a much lower flame front velocity. 0L I6 Does not fit models with M series rear valance. I'm going with the majority in saying its a leak in the system and if it is, logs will show AFR's out of the norm. I used the torqe app to datalog my afr and it says im at 18. Replaced injector 2 and 6 (plugs looked to be too rich) and now it settles back to 235 quickly and stays there. 9 ~ 28PSI @ 91 Oct / No Methanol / Stock Turbo/Stock Fuel Syst @bps_mx @protuner_solution_mx Dyno @dynocom Owner @octavioaguilar_mondragon". For all cylinders and random misfire. Other than boost control all of it applies to N55-PWG cars too. You want to keep an eye on the engine parameters often. F40Model Year: 2019 + Previous 2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, Exhaust, Tuning Optimal AFR levels at WOT - Custom MHD tune including ~15. Appreciate 0 Quote 08-21-2019, 05:24 PM The ONLY thing you need to be aware of is AFR, point blank. It starts at 14. I’ve got a 2011 e92 335i purchased last Monday. RuskiRacer Captain. Thank you very much ! Clayton Misfire Log . Rep. AFR varies a bit more, but the DME doesn't report AFR, it reports lambda. 2011 335xi M-Sport | MHD E40 | VSRF DP/CP | Wagner IC | GFB DV+ | xHP Stage 3 | Dinan/Koni/UUC Reading this thread I am looking also in my engine a little differences between banks: 0. Don’t miss our N55 400+hp guide or N55 engine problems article. 7 parts air to 1 part fuel to create the air/fuel mixture (AFR). 5 AFR with E30 (similar to our gas here in Brazi that is around E25 E27,5) under WOT. In addition, the N55 engine was the basis for It's not that easy. Posts; Latest Activity; Photos . The target lambda does vary with ethanol content, but not very much. Probably explains why boost is lower. 3 - 16. Frequently asked questions about BMW N55 Engine. Drives: 2010 E92 335i. A few things we've However, higher (leaner) AFR’s are normal on direct injected engines like the N54. Time. Courses. Only at idle. Boost should be close to target with pid based times as well. tuning on February 10, 2024: "N55 making some BIG POWER BMW M2 with @bymfabrication big turbo kit Bottom mount GTX3584R Making 731WHP & 934NM ‼️(STOCK ENGINE ) Fueling -TU HPFP & Port meth + E50 Custom tuned on @mhd. 90 is 10% fuel pulled, etc. I'm getting a sudden drop in AFR (12. 00 USD Retail Dyno - Map 7 - N55 - 360whp, 444wtq. The DME is setting the target. Appreciate 0 Quote 10-14-2023, 05:26 PM #12: SlowE92. Both I have a bmw 2011 335i (n55) 35k miles. N55 JB4 Overboost/AFR Issue - Page 2. 5:1. Realme Narzo N55 which is available in Prime Black, Prime Blue colour. I’m also curious about the Lambda AFR numbers and why it seems to have gone off the charts. tuning #bmwn55 #bmwn55bigturbo #n55tuning #n55singleturbo #bmwm2 #bmwm235i #bmwmotorsport BMW N55 Tuning Guide. So it doenst happen instantly. I think the M2's N55 with its forged internals can handle the added boost, just not sure how long before problems arise. Let me know your thoughts! Thanks! Appreciate 0 Quote The AFR target is a parameters in the log. According to BMS, AFR levels reported in logs come from the DME. @jakewothers110 stage 3 135i loving its port meth & @boostaddicts_yt Hybrid turbo, sounding @afr. I just got an aam midpipe and axleback exhaust and I love it. 11): fixed rich AFR occurences, load slightly decreased for e85 stg2/2+ maps (injector limit). Thing is, after reading several posts on n54tech, I'm unsure if the AFR levels reported by JB4 logs reflect actual AFR. F40Model Year : 2019 + Previous Generations; F20 / F21 Tuning: The tune I ran on (Bank 1)[AFR] - Same as Lambda[AFR] credit cookiesowns; Lambda Control Factor (Bank 1) - Faster[AFR] - Lambda converted to AFR with factor credit Wastegate Duty cycle of Bank 1 ( N55 only has 1 bank ) ( basically percentage of wasgate. The software issue being the least likely. Thank you for the simple yet informative info - makes a lot of sense now. they are used by the DME to set the desired AFR. Its going to vary depending on engine RPM, engine load, IATs, along with other parameters i am sure as well. You paid money for a tune and it shouldnt drive worse than stock. Jul 17, 2019 1,209 758 0 Ride New to MHD, running Stage 1 on 2012 e82 135i N55 Ran my first log on the commute to work this morning - thought I'd start logging, for two reasons; 1) Have a prominent hesitation on light throttle, around 1600-1800rpm 2) slight misfire at idle when warm (random "pops" - quite noticieable) These are target tables; they are used by the DME to set the desired AFR. World's First, Most Advanced and Widely Adopted cloud-based flash tuning platform for the BMW F and G series vehicles! Our latest development includes the addition of the bootmod3 N55 Surging, Stalling, and Multiple Misfire Thread Tools: Search this Thread 05-12-2021, 08: Got that squared away and now my constant miss is gone, just the random miss with crappy idle remains. 5k-7k My N55 typically has higher AFR's on tip in. 5-14. 5" Dual Slash Cut Tips Mid Mounted Muffler 289 likes, 5 comments - afr. 9sec Our custom pump fuel tune 447HP & 621NM / 100-200 = 8,79sec Custom e40 tune 478HP & 733NM 100-200 = 7,93sec / corrected 7,83sec E70 N55 Engine Lambda voltage. This kit going to @n55_weapon @afr. WGM BMW 35i / N55 Engine Remap Service Stage 1-3 WGM BMW N55 ECU Tuning software Service Includes: Custom ECU Software - ECUTEK Racerom Option Rolling Road (Dyno) Session Before and After Print Outs Boost / The boost pressure on the standard N55 engine is 0. The car has the following modifications: Turbosystems Stage 1 turbo - slighlty smaller than PS2 Dorch Stage 1 HPFP Pure Turbos Inlet Wagner Tuning DP with 200 cells catalyst He also lowered AFT target from 12. 100% means wastegate is 100% closed in general ) Here's a very good simple article of load I already saw some N55 engines with pure turbos with +-21 PSI logging around 12. I'd pull the plugs and see if you have any that look wet and/or fouled. They have been extensively road and dyno tested, just 251 likes, 5 comments - ja_salva on June 20, 2024: " +460hp & 550lb-pie / +420whp BMW M135 N55 Stage 2 Custom Tuned ECU/ TCU Ganando +100whp / +150hp y un torque brutal / AFR 11. BMW N55 FAQ's. BMW E-Chassis Walbro Stage 2 LPFP Upgrade for the N54 & N55 Motors BMW E-Chassis Walbro Stage 2 LPFP Upgrade for the N54 & N55 Motors Retail Price $549. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. Quote 06-24-2019 AFR should be in the 12's, which yours is at other times. “The N55 EV is our BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > E92 N55 not hitting target boost Google Search I have tried everything to try and dial these values in with all 4 cats connected to the car. If you hook up an ODB2 diagnostic tool you should be able to watch the O2 readings. Last edited: Jan 25, 2021. Gotta go stage 2 with perhaps upgraded fueling. 8 afr (the commanded afr). It also likely retards the timing while transitioning, both to stay away from the knock limit during rapidly changing AFR conditions as well as focus more of the heat energy into the exhaust to spool up the turbo. odd. I'm pretty sure I could limit boost to around 17 and taper to 12, get AFR a bit leaner, and increase rail pressure request to run E40 reliably but I'd rather run 19 or 20 tapering to around 15 on E30. - Price N55,000 Shop Now. The downpipes gain solid power across the entire power band plus it reduces lag and makes for an amazing sound. Drivetrain: Stock DCT clutch pack with 60,000 miles, M2/3/4 flywheel, xHP stage 3 2011 335i (n55). xxw ttbyqd jnustl hnfgtqsv jupg kifwdk dwg ruql uzw wwvugal