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      06-09-2013, 06:02 PM   #174
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Drives: Goggomobil
Join Date: Jul 2007
Location: Kangaroo land

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2014 BMW X5 30d  [0.00]
2007 E92 M3  [0.00]
Originally Posted by s65e90 View Post
What baffles me (as it seems so simple) is why use such a thick oil on a car w/ such tight tolerances. a thinnner oil would seem to be able to have much better lubrication. But I know that the 10 60 is designed to take a beating; maybe we just don't drive these cars hard enough
Your probably right. Given some of the insane speeds on the Autobahn I'm sure these engines were tested and bedded in those conditions. Also some of us tend the baby the /// engines a lot without driving it the way it should be in the first place. Having said that, there are no public roads outside Germany where you can do such speed, and even if you're a everyday commuter on a high/freeway you will be cruising.

2007 E92 6MT - Silverstone II with /// Performance Exhaust with ACM Test Pipes and BPM Sport Stage II Dev-Tune - Proper engine warm up, 12-monthly oil change, Castrol TWS 10w-60
2014 F15 X5 3.0d