Quote:
Originally Posted by F30ed
gresh, if you do not mind a few more questions:
1. did your N20 that failed, have plastic oil filter housing?
2. Was sludge found in the engine that cause the failure?
3. Did you hear/experience any symptoms of failure coming?
Thanks
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It has a plastic oil filter cap, but not housing.
The BMW diagnosis said sludge was found. I think that's crap. They did all of the services, so if there was sludge, that's on them.
The car had a very intermittent drivetrain malfunction, which in retrospect, could have been the timing chain getting far enough out of tension that it caused the cam sensors to trigger. It started at about 50k miles, but really only lasted a few seconds and it probably only happened a few times.
Hope that helps