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      08-15-2017, 02:00 AM   #6
tlow98
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Drives: 2009 E91, 2014 F15 x35i
Join Date: Aug 2011
Location: Bay Area

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Quote:
Originally Posted by Sumptuous Hummus View Post
Interesting... thanks for taking the time to write up on your experience with this project.

The car runs hottest during highway trips To increase fuel efficiency and help with emissions. There is absolutely no other reason why these vehicles need to run so hot as it only hurts performance when oil temp rises past 100c.

I know that the car has these profiles, but the oil temp just always seems to be between 110c-120c regardless of what sort of driving I'm doing unless it's simply Cold outside. I notice that the engine runs and performs better at the 100c mark which is the temp I wish I could maintain in the summer too, not just during cold weather. I've been debating to fabricate a custom hood for the summer to help extract hot air underneath the hood and increase radiator flow, as I'm not sure how else I can lower temps without installing an oil cooler.

My biggest concern is not only the affected performance, but these high temperatures Calls for good quality oil that must be strongly resistant to shear. The oil that most of us use, and the lengthy oil change intervals are not helping.
Straight six, that you @sumptuous Hummus?

Oil shearing, secondary deletes and hood venting... I see you're hitting on all your old topics. You come to play nice?

Last edited by tlow98; 08-15-2017 at 03:28 PM..
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