Green Substance on Oil Cap

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Mar 8, 2020 | 05:31 PM
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Any guesses to what would cause this green substance on my 09 E63 oil cap?

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Mar 8, 2020 | 06:28 PM
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condensation from short trips or water intrustion into the crankcase
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Mar 8, 2020 | 08:03 PM
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Quote:
Originally Posted by coupesedan
condensation from short trips or water intrustion into the crankcase
+1
it's mild case of short trips
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Mar 9, 2020 | 08:38 AM
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Blown head gaskets and bad head bolts....... Only kidding.........condensation. The oil needs to get nice and hot to burn off any moisture that developed inside the engine. ​​​​​​​
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Mar 9, 2020 | 03:46 PM
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There’s the headbolt topic again. Just kidding....
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Mar 9, 2020 | 03:59 PM
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Quote:
Originally Posted by tlambert
There’s the headbolt topic again. Just kidding....
. Come on man... 😁
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Mar 9, 2020 | 04:07 PM
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Gotcha. Lol
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Mar 9, 2020 | 05:48 PM
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Thanks for the info, after a long drive condensation went away 👍
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