I don't trust the BMW oem pumps any farther than you can throw them
Cons: unreliable, untrustworthy
Vehicle:
BMW Z3
Reviews of OEM BMW water pump
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The water pump had a micro leak that would spray coolant on the air box. Never enough to make me want to go through the trouble of replacing it.
Cons: micro leak, coolant top-up
Vehicle:
BMW Z4
153k miles on my original WP. Still going strong too.
Pros: still going strong
Vehicle:
BMW
Mileage: 246230 km
Has 137,000 miles on it original water pump. Still good to be used but don’t know when she’ll crap out. Very impressed that I lasted this long.
Pros: lasted very long
Vehicle:
BMW
Mileage: 220477 km
This has happened to my husband. He drives 2021 m340i with 17k miles. Water pump exploded last night.
Cons: water pump exploded
Vehicle:
BMW
Mileage: 27359 km
I would STRONGLY recommend you to buy ONLY a BMW stamped WP. I learned my lesson the hard way and want to help you avoid my mistakes. The main thing that fails in electric water pumps is the electronics, and the ones not stamped with a BMW logo often have these issues.
Pros: reliable, avoids electronics issues
Yup that's how my Z3 once tried to kill me. Doing 90kph on the off ramp and the ol water pump decided to retire. In the process dousing my rear wheels in coolant.
Cons: rear wheels in coolant
Vehicle:
BMW Z3
It’s still baffles me how BMW can’t get a quality water pump on its vehicles.
Pros: quality water pump
Cons: quality water pump
Vehicle:
BMW
Same shit different box. Sometimes the aftermarket takes care of issues as well like bmw and older Audi/Vw plastic water pump impellers, where most aftermarket ones are metal.
Pros: aftermarket takes care of issues
Cons: plastic water pump impellers
Vehicle:
BMW
I replaced my water pump at about 205K miles. I had seen someone on e90post mentioning he saw fault codes before his pump failed. I decided I could wait if I kept a close eye. At about 205K miles was when I saw a fault code via ISTA/D. It mentioned something about "...water pump speed deviation..."
Pros: kept a close eye
Cons: water pump speed deviation
Vehicle:
BMW
Mileage: 330000 km
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