vs
Water pump OEM BMW or GMB
I have 20-25k miles on a GMB pump now and it hasn't leaked a drop. We'll see how long it goes, but so far I'm happy with it.
Pros: no leaks, reliable performance
Mileage: 32000 km
A 525tds was my first car. Only ever had two problems with it. Heater fuse kept blowing- turned out the previous owners install of the head unit used eletrical tape which over time lead to a cable shorting out on the din cage. Water pump died - oem impeller was plastic. The replacement was metal
Pros: reliable, metal impeller replacement
Cons: heater fuse blowing, plastic impeller
Vehicle:
BMW
Me and various others I know have used GMB water pumps before with no issues.
Pros: no issues
I been running a Gmb pump for couple thousand miles now. Super cheap on rock auto, they also sell a high performance one. I bought both
Pros: super cheap
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
Buy the M340i new and prepay your services. Great on gas but insurances and tires have been expensive. Water pump blew at 48k.
Pros: great on gas
Cons: expensive tires, high insurance
Vehicle:
BMW
Mileage: 77249 km
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
I don't trust the BMW oem pumps any farther than you can throw them
Cons: unreliable, untrustworthy
Vehicle:
BMW Z3
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
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