Thread: Oil change -- what oil to use?
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      08-08-2020, 04:45 PM   #364
Wretched
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Drives: 2013 E82 128i M-Sport
Join Date: Oct 2008
Location: Michigan

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Quote:
Originally Posted by burbas View Post
is this attached cap related with oil system? i really wonder about it, is far away from everyhing close to radiator
That looks like a port for the AC system.
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