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Old 03-28-2013, 06:49 AM   #77
Bill-66
Hencho in Kansas
 
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Joined: Sep 2009
Location: The Northwet..
Oddometer: 7,156
Quote:
Originally Posted by Poe View Post
Forgive me... I'm new to the BMW boxer... recently bought an '03 1150GS. I figured since it's a dry clutch and the engine oil is kept separate from the transmission oil, you could safely run any common "car oil" in the proper weight. Does anyone run Mobil-1 15w50 in their GS? Any reason why I shouldn't?
If someone were to do a poll..and add up the results, I think you would find, 15W-40 is by far the most used..(or 15W-50) from Mobil or Delo or Rotello.

Diesel oils with high TBN numbers...
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