2008 335xi Valve Cover Gasket..AGAIN!!

Asked by Jan 08, 2016 at 10:36 AM about the 2008 BMW 3 Series 335xi Coupe

Question type: Maintenance & Repair


I have done the Valve cover gasket on my 08 335xi twice in the past year. I thought it may have been pinched the first time and was very careful the second time. Can it be cracked or warped(plastic) any ideas on where I should look for cracks , seems to be near the plugs, no oil leak on the outside

2 Answers


Yes inspect the valve cover closely for flatness and cracks. Over tightening of the mounting bolts will cause a leak also.


Use a SMALL amount of gasket sealer on the new gaskets when re- assembling it. I like the Ultra grey sealant but put in on very THIN, don't goop in on and pay attention to what Rowefast said.

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