vs
Water pump OEM BMW or GMB
I usually use rock auto and get the gmb outlander pump.
Vehicle:
Mitsubishi Outlander
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
GMB is a decent pump.
Pros: decent pump
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
Mine was still going at 123k. I did have a shadow code (2E85) but that had been there for years. I decided to replace it out of caution and. Now have about 10k on the new one.
Cons: shadow code for years
Vehicle:
BMW
Mileage: 10000 km
I replaced both mine and my dad's with GMB. Mechanic recommend it too. So far so good.
Pros: good performance
I checked the old water pump and took it out by removing the front plate of the engine... The old water pump moves fine but it does make a squeaking noise and is quite old however it does move.
Cons: squeaking noise, quite old
Vehicle:
Chrysler LHS
Mileage: 160934 km
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
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
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
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