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      05-09-2017, 04:54 PM   #5
GSTE34
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Drives: E34 turbo E90m3
Join Date: Mar 2017
Location: orange county

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Quote:
Originally Posted by pbonsalb View Post
When I changed my rod bearings 3 years ago to WPC treated stock ones, I switched from 10W60 to 0W40 M1. My next change will be with Castrol 0W40, not that I am convinced the new M1 is bad, but more that the Castrol may be better.

If I tracked the car, I would run 10W60. If I lived in a hot climate, I would run 10W60. If I use extra clearance bearings on my next oil change, I will probably run 10W60.
Wouldn't the 0w-40 be to thin?
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