That's what I've heard PB. Going back to the question about having to use BMW coolant I read that it's Pentafrost NF. Reading the specs on the webpage it is recommended for all BMW models. The coolant is blueish - greenish semitransparent color and is LONGTIME not LIFETIME as Pentafrost SF is, but SF is not recommended for BMW. Why? I have no idea. The only difference according to the specs is that NF has silicates. This acts as a protective layer between the metal and the water to avoid corrosion. Both products do not contain any amines, nitrites or phosphorus. It says that is recommended for non ferrous systems.
Last edited by M3Bimmer77; 05-24-2015 at 11:02 AM..
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