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      05-01-2025, 11:06 AM   #21314
Fishee
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Drives: 135i MSport, GLK350
Join Date: Jan 2022
Location: Toronto

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Quote:
Originally Posted by Houranimd49 View Post
When I had it all apart and off the block, I used brake cleaner and a soft wire brush to clean everything. So I know this puddle is brand new. I have a pro grade UV light as well that I used in the dark to capture this. See the attached photo.

I checked both oil filter housing and oil cooler gasket (new). They are dry.

The idea of the housing being cracked is maybe possible however I didn’t have this problem before I changed all the gaskets.
If I had to guess, oil leaking on the underside of the union between the crimp and hard line.
Appreciate 1