Quote:
Originally Posted by exthree
I got the "low coolant" warning two times. With no residue on the coolant tank or cap, and no coolant on the garage floor then were is it going? Dealer did a pressure check and replaced the cap on the coolant tank on my 540i. Concern here is that it may be a bad head gasket, with coolant leaking over to the combustion chamber.
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I was told by BMW Assist that they are aware of a batch of cars coming off the lines with lower than usual level of coolant. Apparently once pipes expand these end up throwing low coolant warnings.