BMW Thermostats for BMW E46 M3 S54 (1999-2005)

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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 - E46 M3

10X Entries Into Our F80 M3 Sweepstakes

T#:554082

Part#: 11531318274KT2

In Stock

$ 139.99

This product was last offered at the strikethrough price on
07-16-2026

$ 87.99 USD

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$ 87.99 USD

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When it comes time to replace your thermostat, be sure you have everything you need. This kit includes everything you need to replace your thermostat, including the thermostat.

Kit includes:

Thermostat
Thermostat O-Ring
1.5 Liters of coolant

This item fits the following BMWs:
2001-2006 E46 BMW M3

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Cooling System Refresh Kit - Level 1

10X Entries Into Our F80 M3 Sweepstakes

T#:15744012

Part#: 32411712735-KT

In Stock

Sale - Save 7% $ 664.99

This product was last offered at the strikethrough price on
07-16-2026

$ 619.41 USD

Add to Wish List

Qty

Sale - Save 7%

$ 664.99

This product was last offered at the strikethrough price on
07-16-2026

$ 619.41 USD

Add to Wish List

Stop the problems before they arise. If you vehicle has 60,000 miles or more, replace all of these components to ensure that your vehicle stays healthy. To keep everything in top order, continue to replace these components at 60,000 mile intervals. Water pump failure, cracked plastic housings, and expansion tank leaks will not be a concern once all these problem parts are replaced. Included in this kit are the following parts. Rein Water Pump with metal impeller FAE Fan Switch Vaico Q+ thermostat - made in Germany! New O-ring Sealing Gaskets OEM Expansion Tank & Cap 1 Gallon Coolant Rein Upper & Lower Radiator Hoses

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BMW Thermostats for BMW E46 M3 S54 (1999-2005)

Thermostat Replacement Kit - E46 M3

Cooling System Refresh Kit - Level 1

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