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BMW Thermostats

BMW thermostats are known to fail, but luckily they typically fail wide open - meaning that your car can still cool. We offer thermostats from various OE suppliers we trust along with upgraded motorsport specific thermostats where applicable to make sure your BMW stays cool on track.
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Mahle-Behr Thermostat - 79º C - E34, E39, E52
Mahle-Behr Thermostat - 79º C - E34, E39, E52
Mahle - Corporate Logo
T#:341209
Part#: 11537835558
Ships in 1 Business Day
$ 74.00

This product was last offered at the strikethrough price on
06-05-2026

$ 61.49 USD
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$ 61.49 USD
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Includes sealing o-ring
Thermostat Housing W/ Thermostat Kit
Thermostat Housing W/ Thermostat Kit
Mahle - Corporate Logo
T#:567822
Part#: 11538674895
Ships in 1 Business Day
$ 184.28 USD
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$ 184.28 USD
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Thermostat With Housing
Thermostat With Housing
Mahle - Corporate Logo
T#:594781
Part#: 11537605431
Ships in 1 Business Day
$ 130.49 USD
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$ 130.49 USD
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If your vehicle is experiencing cooling issues, chances are the thermostat is the cause. Common symptoms include prolonged warm-up at highway speeds from the thermostat being stuck open, or consistent overheating issues from the thermostat being stuck in the closed position. Either condition can result in poor performance, and potential damage to vital components in your vehicle.
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Thermostat With Housing
Thermostat With Housing
Mahle - Corporate Logo
T#:594783
Part#: 11537550172
Ships in 1 Business Day
$ 137.25 USD
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$ 137.25 USD
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Overheating your N52 or N54 engine can be detrimental to the longevity of your engine.
Mahle-Behr Thermostat - 92C - E34, E36, E39
Mahle-Behr Thermostat - 92C - E34, E36, E39
Mahle - Corporate Logo
T#:12476
Part#: 11537511083
In Stock
$ 30.99 USD
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$ 30.99 USD
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OEM BMW THERMOSTAT:115040
Thermostat - 80°C
Thermostat - 80°C
Mahle - Corporate Logo
T#:594727
Part#: 11531713040
Ships on Oct 26, 2026
$ 35.99 USD
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$ 35.99 USD
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The thermostat on your vehicle controls the flow of coolant based on temperature. When you just start your engine, the thermostat remains closed to accelerate the warm up process. After a few minutes, it opens up to allow the warm fluid to flow. If your vehicle is overheating but not blowing warm air from the heater, the problem is more than likely your thermostat.
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Thermostat - 80°C
Thermostat - 80°C
Mahle - Corporate Logo
T#:594737
Part#: 11531254065
Back Ordered
$ 22.99

This product was last offered at the strikethrough price on
05-07-2026

$ 21.99 USD
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$ 21.99 USD
Free Shipping on orders $49 and up
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The thermostat on your vehicle controls the flow of coolant based on temperature. When you just start your engine, the thermostat remains closed to accelerate the warm up process. After a few minutes, it opens up to allow the warm fluid to flow. If your vehicle is overheating but not blowing warm air from the heater, the problem is more than likely your thermostat.
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VEMO Electronic Thermostat And Coolant Distribution Module - BMW B58TU (B58D vs B58C)
VEMO Electronic Thermostat And Coolant Distribution Module - BMW B58T...
Vemo - Corporate Logo
T#:52903296
Part#: V20-99-0005
Ships in 4 Business Days
New Item
$ 336.99

This product was last offered at the strikethrough price on
08-05-2026

$ 291.99 USD
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$ 291.99 USD
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An electronic thermostat that is controlled by the car's computer for optimal control over the engine and coolant temperature. Internal valves are opened and closed by the vehicle's DME/ECU to achieve specific temperature targets for optimal engine efficiency and performance.
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VEMO Coolant Thermostat Assembly - BMW G20 G22/23 G30 B48 2.0L
VEMO Coolant Thermostat Assembly - BMW G20 G22/23 G30 B48 2.0L ...
Vemo - Corporate Logo
T#:49578587
Part#: V20-99-1310
Special Order: No Guaranteed ETA
$ 182.99 USD
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$ 182.99 USD
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Modern BMW thermostats are electronically controlled, allowing the DME/ECU to directly regulate coolant flow throughout the engine and its components. This system enables the thermostat to operate based on a broader range of temperature inputs, such as coolant, cylinder head, engine block, and oil temperatures, for more refined control of engine warm-up and temperature across diverse conditions. Unlike traditional thermostats, which simply open or close to permit coolant flow, this system uses a rotary valve for more dynamic control. The rotary valve adjusts to various positions, allowing for partial or full coolant flow to designated passageways as needed. This precision control helps your BMW's engine reach optimal temperatures quickly and ensures efficient heat management under various driving conditions.
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Mahle Thermostat - 80�C - E12, E23, E24, E28
Mahle Thermostat - 80�C - E12, E23, E24, E28
Mahle - Corporate Logo
T#:591826
Part#: 11539055588
Back Ordered
$ 28.99 USD
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$ 28.99 USD
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Stop your overheating problem.

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