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| 02-24-2014, 03:04 PM | #1 |
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Wot Limp Mode
Mods: Only JB4 G5 ISO
This has happened several times, and only happens in map 5. During an all-out WOT pull the car hits a wall at about 110/120 and a half check engine light comes on. Also it runs fine in stock mode, map 1/2. I’m waiting on the BMS USB Cable to come in so I can do some logs. There are several threads of people experiencing the same problem, and adjusting the open loop setting fixes it??? These were the codes 29F2 fuel high pressure system, fuel pressure 29F3 fuel pressure sensor, electrical 29F5 catalytic converter conversion 2 29F4 catalytic converter conversion 29E2 fuel injection rail, pressure sensor signal LOGS coming soon....Any info is greatly appreciated. This morning (02/25/2014) the car was misfiring on cold start, but went away after warming up. While entering the highway in stock mode it lost power and half engine light came on under normal throttle. These were the codes 29F3 fuel pressure sensor, electrical 29CF misfirings, cylinder 3 29CE misfirings, cylinder 2 29F1 fuel pressure, plausibility 29CC misfirings, several cylinders Codes for (02/26/2014) 29CC misfirings, several cylinders 29CD misfirings, cylinder 1 29CE misfirings, cylinder 2 29CF misfirings, cylinder 3 29F3 fuel pressure sensor, electrical
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MKV GTI - Gt3071r/ 400Whp - Sold
2010 135i  Last edited by Garabins; 03-21-2014 at 10:51 AM.. |
| 02-24-2014, 04:08 PM | #2 |
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Captain
 
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Drives: 2011 135i M Sport
Join Date: Feb 2013
Location: Burbank, CA
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I saw this same problem on my friends car and it went away after doing the firmware update. Im sorry I have no real feedback for you lol
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BMW Performance Kidney Grille, CF Lip Spoiler, CF Diffusser, Blackline LCI Tailights, Magnaflow Full Exhaust, BMS Intake, Jb4 w/ E85, Meth Injection, BMS DP, VRSF 5" Intercooler, CP-E Charge Pipe, KW CS Coilover, M3 Subframe Bushings, VMR VB3 Wheels, Stage 2 Fuel Pump, M3 Control Arms, Dinan Camber Plates, Pure Stage 2.
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| 02-24-2014, 07:46 PM | #3 |
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I bought my jb4 used so I have no idea what software is on there, I will be updating it as soon as my cable comes in...what is the most up to date software for the jb4 ISO?
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| 02-24-2014, 11:44 PM | #4 | |
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The Crowing
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Quote:
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 2009 135i : BMS JB4 G5 ISO,CXRacing FMIC Kit,Injen Cold Air Intake,Evolution Raceworks Charge Pipe,Walboro Inline Fuel Pump, E85 BMS Backend Flash w/ 60% E85,BMS Meth injection (trunkmount),BMS dual meth nozzles,Spec stage 2+ clutch w/ steel SWFW,BMS Catless Downpipes,Berk Tech Race Axleback |
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| 02-25-2014, 01:21 PM | #6 |
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Thanks, I also posted on the n54tech forum.
I recently put in brand new plugs bc the car was missing pretty bad every morning. After changing plugs the misfire went away for two months, and now its back.. When I replaced the plugs some of them were wet with fuel. Would that be an indication of failing fuel injectors? This morning the car was misfiring on cold start, but went away after warming up. While entering the highway in stock mode it lost power and half engine light came on under normal throttle. These were the codes 29F3 fuel pressure sensor, electrical 29CF misfirings, cylinder 3 29CE misfirings, cylinder 2 29F1 fuel pressure, plausibility 29CC misfirings, several cylinders Ill start by swapping coils and clearing codes.
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MKV GTI - Gt3071r/ 400Whp - Sold
2010 135i Last edited by Garabins; 02-26-2014 at 11:15 AM.. |
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| 02-25-2014, 03:29 PM | #7 |
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The car has 58k, this is so annoying that its not running right...I might as well just buy the new Index 11 injectors and New coil packs since i already have new plugs and that should fix it..I hope...
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MKV GTI - Gt3071r/ 400Whp - Sold
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