Thread: M104 timing cover. What is the preferred sealant for 2011?
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Old 02-04-2011, 08:16 AM
Ferdman Ferdman is offline
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Join Date: Aug 2002
Location: Southeastern PA
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I used the black MB sealant when I replaced the upper timing chain cover seal on our 1991 300CE and have never had any further oil leakage problems.
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