I had my original module repaired twice by BBA and the first time they said it was all good and the second time they found more problems. They again told me it's fixed and same issue. Takes a few hours round trip to drive there and back but I don't think they test everything just visually fix what's wrong.

I just want a module I know is working, and came out of an e53 without trifecta. I also tried ebay module they said was tested and didn't work.

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2001 BMW X5 4.4i Topaz Blue