Originally Posted by JerzeySux
Does anyone use or tried using the AMS OIL PI?
I heard its suppose to clean out all the nasty crap in the car and improve your gas milege.
I heard these work wonders on Jap cars just wondering if its worth it on BMW's. I have 64kmiles and was trying to do some clean up inside the gas tank.
Curious, how does it remove the "crap" from the gas tank other than pushing it through your fuel system into your engine?