Originally Posted by jms_w
I have BMW coolant (blue) I had bought for my previous E46. Can I use it with the M or is there another type I'm supposed to use. The manual is pretty vague.
Just go to the parts dept. and ask them what to use. They'll give it to you. I'm pretty sure it is the same one you used on your E46. Just make sure that you mix with distilled water 50/50 ratio, Do not use tap water.