It is best to under no circumstances mix two types of coolants. If they are of different formulations, doing this can result in severe, irreversible harm to the engine and cooling technique. No person really cares if u generate a BMW or Merc Except if you happen to be keen https://car-wheel-alignment-near66275.blogdeazar.com/27396826/the-best-side-of-types-of-coolant-for-bmw-335i