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Posts: 4
Join Date: Jan 2021
Car: M235i
Default 01-26-2021, 09:30 AM

No worries. I did say ANY ideas or suggestions are welcome haha!
And yes, the coolant expansion tank on the passenger side.
I still have no clue how this can happen.

Are there any spots where coolant and oil passages are very close to each other?

Any hoses or lines that can easily be mixed up at re-assembly?
I've tripe and quadrupled checked every line and everything seems to be correct.
Turbo oil feed on top. Oil return on bottom.
Turbo coolant feed and return on side.

How can this be happening? It's mind-boggling.
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