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BMW 3-Series (E90 E92) Forum
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Limp mode
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09-30-2017, 06:49 PM | #1 |
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Limp mode
Not sure what is causing this limp mode (half engine light) but it starts happening when the car oil temp hits 110c car doesn't shake or anything all I feel is the lost of power.
What I currently changed so far is both vanos and the camshaft positioning sensor so far I do not have a reader or a cable. Not sure what to get suggestion would help! Thanks all EDIT Cleaned and replaced rings on both vanos Cleaned and replaced rings on camshaft positioning sensor Going to order new coil packs x6 Looking for good spark plugs? Recommendations? Oil change as well New injectors Last edited by 08-335iguy; 10-15-2017 at 06:13 PM.. Reason: More info |
10-01-2017, 10:51 AM | #2 | |
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Quote:
There's hundreds of these posts on every N54 forum. There's a lot of things that could have gone wrong with the car; Check the following: 1. Chargepipes for cracks and/or Front mount Intercooler 2. Vacuum Lines - Replace them with Silicone vacuum lines. The OEM ones are shit and very brittle. 3. Vanos or Boost solenoids. Good luck! |
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10-01-2017, 11:21 AM | #3 |
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10-01-2017, 01:05 PM | #4 |
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+50 (and Im being kind ;-) ), get someone with a real cable (if you go to the local parts store they wont produce a n54 code). And get the 4 digit number displayed in active codes. Prob 30ff or 2a* something.. and then go to http://www.e90post.com/forums/forumdisplay.php?f=58
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'13 335IS N54 (1 of 373 LeMans Blue out of 3597 total production e92)- Grey interior (1 of 24 in LMB with any trans- 1 of 14 with DCT)-MODS -MFactory LSD/MHD-BQ custom Tune/ATM-IC/AFE Momentum GT Intake/Konis/Mfront&HeimJoint Rear rods&arms/Brembos. https://photos.app.goo.gl/Lo6aHZRo7XqtPkhL8 |
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10-01-2017, 05:46 PM | #6 |
Fuck it dude, let's go bowling.
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Aren't cables VIN-coded? Unless you have a professional one.
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1M. Previously: '13 135is; '07 E90 335i; '02 325i; '99 Z3; '98 328is; '87 L6; '77 320i
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10-01-2017, 07:03 PM | #7 |
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there are 3 different cables. Personal (1 vin), limited (3 vins) and pro.
Most early BAV techs were 3 vins..
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'13 335IS N54 (1 of 373 LeMans Blue out of 3597 total production e92)- Grey interior (1 of 24 in LMB with any trans- 1 of 14 with DCT)-MODS -MFactory LSD/MHD-BQ custom Tune/ATM-IC/AFE Momentum GT Intake/Konis/Mfront&HeimJoint Rear rods&arms/Brembos. https://photos.app.goo.gl/Lo6aHZRo7XqtPkhL8 |
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10-02-2017, 05:12 PM | #9 |
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I think I found my issue, seems to be oil leaking from the camshaft positioning sensor area I guess I didn't tighten the torx screw enough.
Edit: Car is not overheating. It's only happens when the temp of the oil hits 110c which is 230F Also noticed my oil leaking in those areas which Last edited by 08-335iguy; 10-02-2017 at 05:48 PM.. |
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10-10-2017, 05:44 PM | #11 |
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Ordering cable now, just got limp mode out of no where same oil temp 110c. This is frustrating.
I have checked my vacuum lines. Didn't find no cracks My charge pipe. No cracks at connections Bought new vanos solenoids Bought new camshaft positioning sensor I'm going to check the vacuum lines again there was one spot I did not check following a YouTube video I found.. will update with pics. So far. When I start training car there is no long crank at al as mentioned in other postl. Car starts fine drives fine all day. (Home to work, after work errands then home. Then I noticed the oil temp get to 110c a quick stutter and limp mode (half engine light icon) pops up. It has never popped on before that oil temp of 110c. I'm starting to assume 1. it's possible vacuum leak(1 spot I didn't check which is beside and behind the OFH(oil filter housing) 2. oil change+filter(seen this mentioned in a different post) 3. Spark plugs 4. Coil pack 5. Injectors 6. Maybe HPFP??? Last edited by 08-335iguy; 10-10-2017 at 10:55 PM.. |
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