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blackonblack · 12-22-2008, 11:41 AM

What is the difference between O/F and O/S. I know one is intermediate, and the other is oil and safety, but what are the service differences.

12-22-2008, 11:41 AM	#4
blackonblack 1st Gear Newbie Join Date: Dec 2008 Location: Ottawa Posts: 2 Car: 2005 BMW 325i	What is the difference between O/F and O/S. I know one is intermediate, and the other is oil and safety, but what are the service differences.