Quote:
Originally Posted by Angerman
I'm using Castrol full synthetic (meant for BMW/Mercedes/VW; is what it said on the bottle) 5w-40 currently
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my e36 m3 burned a lot of oil when i used mobil1 10-30. it got much better when i switched to 15-50, and 7 quarts is enough to go 7500 miles, been doing it for almost 10 yrs.