2.5l Inline-5 Engine Forum
My dad just bought a 2012 Passat, 2.5L, 60k miles, with documented regular oil changes. We didnt notice anything on the dipstick before he bought the car. But now that he has it home we're noticing a light brown residue on the end of the dipstick. When we wipe it off it with a towel, it leaves a...