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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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Old 05-03-2009, 10:05 AM
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Location: Woodbridge, VA
Join Date: Apr 2009
Posts: 161
Mein Auto: 01 BMW 330i
Exclamation 01 330i MAF/ICV/O2 Sensor Faults

My 2001 BMW 330i is running in limp mode and throwing all warning lamps on the dash on. Also when i place the car into reverse or drive it feels like it slams into gear. Its being cause by one of the 30 amp fuses on the DME shorting or blowing out. I took it to the dealership 2 weeks ago for the same reasons and all they did was replace that same 30 amp fuse and it ran fine. Now the problem is back and when i replace the fuse it blows instantly. BMW told me that either the MAF, ICV or O2 sensors could be at fault for shorting out this fuse, but the MAF could also throw all those codes on by itself. I removed the MAF and cleaned it after following a DIY but i dont think that did anything. If anybody has any guidance i could get before i just start guessing what parts to replace first that would help. Thanks, Branden
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