View Single Post
      09-14-2010, 07:03 PM   #9
BigHat
Lieutenant
BigHat's Avatar
7
Rep
513
Posts

Drives: '11 M3 E93
Join Date: Jan 2010
Location: NoVa

iTrader: (0)

Quote:
Originally Posted by VonSwoopington View Post
I was talking to a guy at the BMW Ultimate Driving Experience this weekend and he said that the Castrol Oil used in the BMWs aren't actually fully synthetic. He told me it was really close but not 100% synthetic. I don't know much about oils and not sure if this guy was trolling me. Any ideas on what he could be talking about?
This is fairly old debate unless I'm missing something new. The feed stocks used can be debated as to when something natural morphs to synthetic.
Appreciate 0