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BMW 3-Series (E90 E92) Forum
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DME, 30BB. Troubleshooting. Ideas? Help
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01-08-2020, 11:38 PM | #1 |
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DME, 30BB. Troubleshooting. Ideas? Help
Hi everyone. Recently purchased on a 07' BMW 335i 100k miles. Doing all the maintenance since the service history is unknown
The car has been starting in in limp mode with a 30BB code. I tested out the MOSFET's but were fine, two techs also confirmed. I replaced the MOSFETS regardless, and the 30BB code remained. Here are the MOSFETs that I purchased off amazon: https://www.amazon.com/gp/product/B0...d2ed647d2b8d16 The 30BB code appears immediately after the error codes are cleared while the key ignition is on accessory/"on mode". No start-up required* 30BB Injector x,y,z order DME, internal error 29d2 misfiring, cylinder 6 29d0 misfiring, cylinder 4 29d1 misfiring, cylinder 5 29cc misfirings, several cylinders I've saw posts troubleshooting the problem, but I've read some owners are unble to resolve the problem after replacing the injectors or changing out the DME for a used DME. Other rare cases, an owner had a buy a new DME (1) https://www.e90post.com/forums/showthread.php?t=1096771 (2) https://www.n54tech.com/forums/showthread.php?t=45615 I'm considering replacing my index 8's with 12s from FCP EURO. Should I be considering any other options or troubleshooting? Last edited by soulcrusher; 01-13-2020 at 08:20 PM.. |
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