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135iblk2009 · 01-13-2019, 09:02 AM

Same happened to me. Needed to replace the two rubber o rings going to the oil cooler, make sure they don’t bind while tightening.

01-13-2019, 09:02 AM	#4
135iblk2009 New Member 9 Rep 20 Posts Drives: 2009 135i Join Date: May 2018 Location: Canada iTrader: (0)	Same happened to me. Needed to replace the two rubber o rings going to the oil cooler, make sure they don’t bind while tightening.
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