Quote:
Originally Posted by italyix
Mike, when I took mine in to the dealer for a misfire, a PUMA case was opened cause they could not figure out what was causing this. Turns out the computer recorded an over rev of 12k rpm (from previous owner) and a broken valve spring was causing the misfire. Even BMW was skeptic about the over rev, but car (knock on wood) still runs fine.
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Holy cow!
If you are ever down in the socal area, please let me know. I want to read that for myself. Will only take 2 minutes
If 12K rpm only gets you a broken valve spring then these things might as well be bulletproof!!