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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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Aluminum Thermostat Housing Kit - M50
Aluminum Thermostat Housing Kit - M50
Active Autowerke - Corporate Logo
T#:397222
Part#: 14-009
Ships in 10 Business Days
$ 56.99 USD
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$ 56.99 USD
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Plastic thermostat housing cracked on your M50?

Here are your choices: you can wait for the plastic factory thermostat housing cover to break and cause major overheating. (Even with a new stock cover, it won’t take long.) Or you can install a thoughtfully engineered all-aluminum thermostat housing cover from Active Autowerke and never experience this type of failure again. Currently there is no factory upgraded part to this problem. This is an aluminum extruded part that has all of the openings machine properly to fit like factory; from the mounting bolt holes, the seating of the thermostat to the sealing opening for the ORANGE gasket. Forged to exact factory tolerances, everything fits and this unit is a true easy bolt-on – especially suited for racing or load conditions like heavy traffic, where engine temp can rise rapidly. The housing is guaranteed never to break from overheating or over-tightening, and its CNC machined surface ensures a precise seat.

Unit comes complete with a new ORANGE sealing gasket; a new thermostat is recommended but not included.
For hotter climates, a 71 degree thermostat is recommended over the 82 degree unit.

Anything and everything BMW is the mantra at Active Autowerke. Since 1981 they have been serving the BMW community with custom turbocharger kits to a myriad of other innovative and inspiring performance parts.
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OEM INA Electronic Thermostat And Coolant Distribution Module - BMW B58TU
OEM INA Electronic Thermostat And Coolant Distribution Module - BMW B...
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Ina - Corporate Logo
T#:36201645
Part#: 11538642559
In Stock
$ 367.99

This product was last offered at the strikethrough price on
07-23-2026

$ 356.99 USD
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$ 356.99 USD
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Engineered specifically for BMW models, the electronic thermostat and coolant distribution module plays a vital role in the engine’s cooling system, adapting to changing temperatures for superior performance under all driving conditions. Whether on the track or the highway, this module ensures your BMW runs cooler, longer, and more efficiently.
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Active Autowerke Thermostat Bypass/Delete Tube - S65
Active Autowerke Thermostat Bypass/Delete Tube - S65
Active Autowerke - Corporate Logo
T#:2302749
Part#: 14-016
Ships in 10 Business Days
$ 141.99 USD
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$ 141.99 USD
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CNC machined coolant/water thermostat bypass tube to improve flow on and off the track. Easy plug and play installation and a durable anodized coating make this a simple and reliable temperature control solution.
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OEM INA Heat Management Module - MINI F5X F60 B36 B46
OEM INA Heat Management Module - MINI F5X F60 B36 B46
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Ina - Corporate Logo
T#:34214774
Part#: 11538631943
In Stock
$ 264.99 USD
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$ 264.99 USD
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Maximize performance and safeguard your engine with the Heat Management Module, engineered to deliver superior temperature control and reliability under extreme conditions.

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