View Single Post
Old 02-25-2013, 01:52 PM   #60
2nd Gear Member
Join Date: Dec 2007
Location: Toronto
Posts: 299
Build dates on or past Mar 2000 had newer piston ring designs.

I think it was at that time BMW suggested to not use 10W60 anymore.

E39 M5
mudmojo is offline   Reply With Quote