vs
Thermostat Wahler or OEM BMW
I replaced the thermostat myself. It’s in a pretty bad place, hidden under the intake manifold. It took me about 3 hours to get the job done, had to use a mirror to see the screws. Mine was stuck open so the car in winter time wouldn’t even reach 190 F. I bought an OEM Wahler 07K121113B thermostat from Amazon for like 30$, so far has been working great.
Pros: working great, OEM quality
Cons: difficult installation
Vehicle:
Volkswagen Passat
Part number: 07K121113B
I installed a Wahler thermostat a little over a year ago and it's still holding strong.
Pros: holding strong, reliable
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