Quote:
Originally Posted by RPiM5
So my M5 was complaining about oil being low per usual. I decided to stop by the local dealership yesterday to pick some up and they gave me this stuff. They said that they stopped using Castrol and now only use this. I put it in my engine and went about my merry way. I think I probably gained an extra 10 horsepower. Anybody else put this in their S63tu yet??  |
Never used a drop in 7K miles.
