Originally Posted by Stucks
I've always run german castrol 0w-30 and never had an issue. Many others have run mobile 1 0w-40 without issues either.
with the Mobil 1 0W-40 I have noticed decreased life span of the oil and seems to burn a little...just want something with a little more piece of mind for the motor.
E90 335i Alpine White, Cyba Scoops, JB4 G5, BMS DCI, Alpina AT Flash, New OEM Turbos
E90 328i Titanium Silver