Quote:
Originally Posted by claykin
Low pressure pump under rear seats or the high pressure pump in engine bay?
I ask because my 540i had a low pressure pump that squealed like a pig when the car primed before starting. Thankfully that's been fixed.
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Old thread, but my 2020 M550i squealed when it primed as I unlocked it and the pump failed some time later. Got it replaced today under warranty at 38k miles.