Thermostat Replacement Estimate for BMW 735iL

BMW 735iL Thermostat Replacement costs $116 on average. Following is a breakdown of the labor and parts estimates.

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YourMechanic Price
$115 to $125
Labor: $70 -$80
Parts: $45
Average Dealer price
$184
Average Shop price
$140
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CarServiceYourMechanic PriceShop/Dealer Price
1989 BMW 735iLL6-3.5LService typeThermostat ReplacementYourMechanic Price$119.10Shop/Dealer Price$156.78 - $212.67
1990 BMW 735iLL6-3.5LService typeThermostat ReplacementYourMechanic Price$118.19Shop/Dealer Price$155.77 - $211.06
1991 BMW 735iLL6-3.5LService typeThermostat ReplacementYourMechanic Price$118.19Shop/Dealer Price$155.69 - $210.92
1992 BMW 735iLL6-3.5LService typeThermostat ReplacementYourMechanic Price$118.19Shop/Dealer Price$155.73 - $210.99
Show example BMW 735iL Thermostat Replacement prices
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Parts required for a BMW 735iL Thermostat Replacement

Thermostat Gasket
$4
Thermostat
$30

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Real customer reviews from BMW owners like you.

286 reviews
Dave
18 years of experience
Dave is the third person who has tried to diagnose the problem with my car and he fixed for about half of the original estimate in about half the time budgeted. I only hope that I'm able to get him again for ongoing service.
2013 BMW X3 - THERMOSTAT REPLACEMENT
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59 reviews
Steven
16 years of experience
Steven worked on an oil change on my z4. BMW quoted $149 and valvoline quoted approx $100. Hope to use Steven again for future requests.
2004 BMW Z4 - OIL CHANGE
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34 reviews
Maxwell
13 years of experience
Maxwell was extremely knowledgeable about everything and knew how to explain everything very clearly. I will definitely be booking him in the future for any work I need done on my car. Arrived on time and took his time making sure everything he was doing was done properly, something I'm sure most everyone on YourMechanic would appreciate. Perfect service thank you.
2004 BMW 545I - PRE-PURCHASE CAR INSPECTION
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31 reviews
Emmette
31 years of experience
On-time, honest and did an excellent job!
2001 BMW X5 - ALTERNATOR REPLACEMENT
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All about Thermostat Replacement

A thermostat is part of the cooling system that regulates the temperature of the coolant in the engine. The thermostat is a metal valve that has a temperature sensor built in. It can either be open or closed. When the thermostat is closed, it keeps the coolant in the engine. When the engine gets to a predetermined temperature, the thermostat opens allowing coolant to circulate. The circulation of coolant prevents the engine from overheating. If the thermostat fails to open, the car will overheat. If the thermostat fails to close, the engine may never reach the optimal temperature (~220F). The thermostat opens and closes many times when the car engine is running. It is the most common component in the cooling system to fail, causing the car to overheat.

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