BMW M3 and BMW M4 Forum - View Single Post

1000hp · 09-15-2021, 01:47 PM

Are you the original owner?

Replacing coils isn't going to cause oil to leak into the plug bore. Nor will improperly tightening the plugs. The valve cover gaskets seal that oil out.

09-15-2021, 01:47 PM	#3
1000hp Lieutenant 248 Rep 471 Posts Drives: F80 M3 Join Date: Dec 2020 Location: Virginia Beach, VA iTrader: (2)	Are you the original owner? Replacing coils isn't going to cause oil to leak into the plug bore. Nor will improperly tightening the plugs. The valve cover gaskets seal that oil out.
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