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      09-01-2021, 08:52 PM   #17

Drives: 2011 328i xDrive
Join Date: Sep 2020
Location: Colorado Springs

iTrader: (0)

Originally Posted by Thumbie View Post
Originally Posted by Biginboca View Post
I installed a OEM 335i oil cooler a few years ago. I did my first track day last month it was 85 degrees and after going flat out (shifting 7500rpms) for the full 20 mins session I was between 255-260 on the last lap each session.
Curious as to what temps you were getting before oil cooler install. Sounds like it works great though.

Originally Posted by edycol View Post
Went to a track yesterday.
102 degrees at 5,000ft. Ultimate test for oil cooler. Also, I diluted coolant to distilled water ratio to 20/80 for better heat exchange.
No problems whatsoever! 335 oil cooler is obviously overkill for N52, which is what one wants. Also, I tracked with cowling and engine cover. No issues, though I did run full heat and ventilation on max to help cooling.
Well this is good to know! Sounds like I should get one as well
Well, what are your temperatures?
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