What do you put in your radiator? I have owned my E9 now for a few years and am thinking about coolant change. Does anyone use the waterless coolant?
Thank you
Thank you
Thanks for the informationblue BMW coolant.
There was a good discussion of this a few years ago: https://e9coupe.com/forum/threads/c...m30-aluminium-head-engines.43737/#post-384599