Quote:
Originally Posted by 2010BMW135i
Just got low oil warning light after an oil change a couple thousand miles before. Turned out it was a cracked valve cover which had cause a significant oil leak. Valve cover on N54 is plastic, it had a 2 inch crack somewhere near the middle. The tech said it's been happening more and more with N54s as they get older and older. Something to keep in mind.
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How much was the repair?
Do they make valve cover's out of a different material?