Quote:
Originally Posted by M5D
When changing all 7 coils I mean 6 coils, 2 were defective! They were replaced under warranty from BMW. I had similar issues as you and when I put my old coils back in 3 and 4, problem was solved. I am not sure if this answers your question or fixes your problem, but I thought I chime in. The parts person at BMW told me that the new coils are known for defects from the factory!
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Well there ya have it... 3 and 4=7
So maybe the real faults are in cylinders 3 and 4. Just kidding man!! Lol