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      06-16-2011, 07:52 AM   #423

Alpina_B3_Lux's Avatar
Drives: Audi R8 V10, BMW 330d E91 LCI
Join Date: Feb 2008
Location: Germany

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2009 335i  [4.39]
Originally Posted by Chowbow View Post
I'm going to guess that at 300km/h you're getting so much air flow that you won't be overheating even when pushing the motor really hard.
That is what I thought as well.

However, without the upgraded stock oil cooler (in addition to the ar design oil cooler), the oil temperatures were rising well beyond 135 degrees Celsius when I drove faster than 240 km/h for more than 20 seconds. When approaching 300 km/h, the oil temp was almost at 140 degrees, which made me upgrade the stock oil cooler.

Audi R8 V10; sold: BMW 335i