I own a 1995 bmw 740i (e38) with 200,000kilometers on milage I noticed the tapt cover gasket seal is leaking and got it replaced, but the leak is back but is not as bad as before, I use castrol magnetic 10w40 oil.
my question is if I used a heavier oil like 20w50 from liquimoly regular, would that help my situation?
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Tuesday, September 11th, 2012 AT 5:54 AM