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

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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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Thermostat Replacement Kit - E28, E30, E34 M20B25/27

10X Entries Into Our F80 M3 Sweepstakes

T#:41289770

Part#: 11531730470TKT

Ships in 3 Business Days

Sale - Save 22% $ 93.99

This product was last offered at the strikethrough price on
06-08-2026

$ 73.38 USD

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Qty

Sale - Save 22%

$ 93.99

This product was last offered at the strikethrough price on
06-08-2026

$ 73.38 USD

Add to Wish List

This BMW Thermostat Replacement Kit is the go-to choice for preserving the performance and reliability of your classic M20-powered BMW—keeping your engine running cool and smooth mile after mile.

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Thermostat Housing

2X Entries Into Our F80 M3 Sweepstakes

T#:392721

Part#: 11531730470

In Stock

$ 39.99 USD

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$ 39.99 USD

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This is a quality aftermarket replacement 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.

If you're looking for a Genuine BMW factory replacement part, Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

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