BMW Thermostats for BMW 8 Series E31 (1991-1997)

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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 - Corporate Logo
T#:2246
Part#: 11531729720
Ships on Aug 6, 2026
$ 52.99 USD
Free Shipping on orders $49 and up
Don't take chances! Proper maintenance is required to keep your BMW performing at peak levels. The thermostat basically controls when your car will overheat. This thermostat fits BMW E32 750il and E31 850i with M70 engine.

Hailing from Stuttgart, Mahle-Behr specializes in automotive cooling systems. From air conditioning to engine cooling M-B has you covered with OE-quality replacement parts.

This item fits the following BMWs:
1989-1994 E32 BMW 750il
1991-1995 E31 BMW 850i with M70 engine
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Elring - Corporate Logo
T#:45005599
Part#: 818.437
Special Order: No Guaranteed ETA
$ 2.99 USD
Free Shipping on orders $49 and up
This rubber gasket seals the junction between the thermostat and water pump Measurements: 4.0x76.5mm