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      11-18-2012, 01:12 PM   #9
AlanAZ's Avatar

Drives: E90 325i sport manual
Join Date: Aug 2009
Location: Scottsdale, AZ

iTrader: (4)

Originally Posted by P2 View Post
I think I'll get an oil change and to a Blackstone analysis. I'll be able to see the condition of the oil and Blackstone will show if any antifreeze is in there.
I was concerned about my coolant loss after I bought mine, as my E46 used hardly any at all. I put in UV dye to look for a leak, replaced the coolant, had it pressure tested, and replaced the cap.

The thing that settled it for me was a Blackstone oil analysis that showed zero coolant in the oil. Well worth the ~$30. These engines lose coolant, I just top it up on a regular basis.

I've since then preemptively replaced the oil filter housing gasket to ensure no leak there.