vs
Thermostat OEM Audi or OEM BMW
Thermostat is an bmw part so its fine
Pros: fine performance
03’ E46 318ci with 130k miles and no issues with the whole cooling system. Neither the thermostat.
Pros: no issues, long lifespan
Vehicle:
BMW
Mileage: 209215 km
I was instructed by a friend who had some of m47 and m57, to buy thermostat only original from bmw, because everything else doesn't work as long or good.
Pros: works long and good
Cons: other brands don't work
Vehicle:
BMW
Not the water pump but I just had my thermostat replaced under the extended warranty. I was slowly losing coolant with no discernable leak.
Pros: fully covered, extended warranty
Cons: slowly losing coolant
I just got this done and Audi quoted me $2500 for just the thermostat. Mine was covered by the extended warranty Audi has on all water pumps leaks.
Pros: covered by warranty
Cons: expensive repair
Vehicle:
Audi A3
The replacement thermostat came from BMW. No problems this time.
Pros: no problems
Vehicle:
BMW
Had this happen to our 2018 Q5 a few months back, 35k miles on the SUV. Thermostat issue plus some other stuff.
Vehicle:
Audi Q5
Mileage: 56327 km
My Q5 with 75,000 miles on it developed a leak in the water pump area. Initially Audi denied there was a leak, so I took pictures and showed it to them. Then they diagnosed it with thermostat leak.
Pros: warranty on that part
Cons: leak in water pump
Vehicle:
Audi Q5
Mileage: 75000 km
I replaced the t-stat with a genuine part and again no luck.
Cons: did not fix issue
Vehicle:
BMW
Changed to genuine thermostat, no change. Needle tends to dip on higher load highway driving, but only occasionally. Obd temp is between 77C-88C.
Cons: no change in performance, needle dips on load
Vehicle:
BMW
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