It happens. I’ve had maybe 3-4 do this out of probably 300 we’ve changed at the shop. Once was a pierburg but the rest were autozone duralast etc.
Reviews of Pierburg water pump
113 votes
Pierburg. It’s literally exactly the same just no BMW logo.
Pierburg is the OEM maker of the BMW water pump. Spending the extra for the BMW is ridiculous when they are 100% the same exact same pump from the same company from the same factory.
I'm working on adapting these water pumps to a variety of older engines. This one will be going on a Chevy LSx. The pumps support two different control schemes; one via PWM (no feedback) and one via LIN. I will be working on reversing the LIN communications and building a more sophisticated controller soon.
PIERBURG makes a good water pump...
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