BMW Thermostats for BMW 5 Series E34 (1987-1995)

Clear BMW chassis

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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Thermostat - 80C

T#:594831

Part#: 11531713040

Ships in 1-2 days

$ 49.61

This product was last offered at the strikethrough price on
08-13-2026

$ 36.99 USD

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$ 36.99 USD

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Wahler Thermostat - 88ï¿½C - E30, E34, E36, Z3

T#:369466

Part#: 11537511580

Ships in 3 Business Days

$ 53.99

This product was last offered at the strikethrough price on
09-30-2026

$ 44.99 USD

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$ 44.99 USD

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Common point of failure in the cooling system.

Aftermarket Thermostat Housing - E30 325e 325i, E34 525i - M20 engine...

T#:359592

Part#: 11531730470

Ships in 7 Business Days

$ 33.99 USD

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$ 33.99 USD

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This is the stock aluminum thermostat housing for cars with the M20 6 cylinder engine - 325e, 325i, 528e, 525i. This is the side of the housing that mounts to the cylinder head and has openings for the various coolant / engine temperature sensors. There are 4 ports for sensors so check your existing housing for the sensor layout.

Mission Trading Company is a worldwide leader in the manufacturing of European, Japanese and domestic auto parts. With factories around the world producing parts to the most stringent of standards MTC is there with the parts for your next project.

This item fits the following BMWs:
1984-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix
5/1982-1988 E28 BMW 528e
1989-1990 E34 BMW 525i

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