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      09-01-2021, 06:39 PM   #16
Thumbie
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Quote:
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.

Quote:
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
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