Quote:
Originally Posted by stevenvillatoro
Exactly. On my '18 M240i, the low-coolant light continues to come on from time to time, for no more than a second or two. SomeTimes more frequently than others, for no apparent reason. The odd warning is not due to low coolant; both reservoirs have been checked and rechecked. The light comes on randomly, unrelated to any circumstance in particular, and therefore it can't be replicated for a service advisor. I keep hoping that someone with this problem will stumble on the problem/fix... it's the only issue I've had with the car, but it still annoys me.
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Well, that can be a issue with coolant level sensor, sensor connector or floater in the bottle.