Originally Posted by ianf2002
Think M3 & M5 take 10W60, 1M is N54, so 5W40 is normal (LL-01). I use 0W40 Castrol Edge. If you are just topping up shouldn't make any difference.
How are you breaking her in...hard and oil change at 250km's?
Thought that was the case with oil..My mate with the M3 told me he uses the 10W60.
Yeah.. I take her to 5.5K RPM plus.. Should bed the rings in better. Might just wait till the 2K service to change the oil as I wont be tracking.