BMW Thermostats for BMW E90 M3 S65 4.0L

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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 - E9X M3
Thermostat Replacement Kit - E9X M3
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Packaged by Turner - Corporate Logo
T#:554084
Part#: 11537836155KT2
In Stock
Sale - Save 5% $ 104.99

This product was last offered at the strikethrough price on
01-03-2026

$ 99.87 USD
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Sale - Save 5%
$ 104.99

This product was last offered at the strikethrough price on
01-03-2026

$ 99.87 USD
Free Shipping
Add to Wish List
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.
OEM Mahle-Behr Thermostat - 79*C - E9X M3 E60 M5 E63 M6
OEM Mahle-Behr Thermostat - 79*C - E9X M3 E60 M5 E63 M6
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mahle-Behr - Corporate Logo
T#:2252
Part#: 11537836155
In Stock
$ 74.28 USD
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$ 74.28 USD
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Replacement stock thermostat for E90, E92, E93 M3 - S65 engine- E60 M5 E63 M6 with S85 engine. Your car may still operate fine according the instrument display but the electrically-operated thermostat may be going bad.
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Gates Performance Thermostat - 71*C - BMW S65 S85
Gates Performance Thermostat - 71*C - BMW S65 S85
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Gates - Corporate Logo
T#:394624
Part#: 11537836155
Ships in 3 Business Days
$ 78.99 USD
Free Shipping on orders $49 and up
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$ 78.99 USD
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Performance low-temperature thermostat for E90, E92, E93 M3 - S65 engine- E60 M5 E63 M6 with S85 engine. Your car may still operate fine according to the instrument display but the electrically-operated thermostat may be going bad.
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Genuine BMW Thermostat Housing - E90 E92 E93 M3
Genuine BMW Thermostat Housing - E90 E92 E93 M3
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:36175
Part#: 11537838480
In Stock
11% off MSRP $ 221.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 201.99 USD
Limited Qty Sale
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11% off MSRP
$ 221.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 201.99 USD
Limited Qty Sale
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Genuine BMW Thermostat Housing -
This item fits the following BMW Chassis:
E90,E92,E93

Fits BMW Engines including:
S65

Genuine BMW Thermostat Replacement Kit - E90 E92 E93 M3 S65
Genuine BMW Thermostat Replacement Kit - E90 E92 E93 M3 S65
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:377551
Part#: 11537836155KT
Ships in 5 Business Days
$ 176.99

This product was last offered at the strikethrough price on
06-03-2026

$ 174.99 USD
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$ 174.99 USD
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This kit includes all of the Genuine BMW components you need to replace your thermostat.
Genuine BMW Thermostat - 79*C - S65 S85
Genuine BMW Thermostat - 79*C - S65 S85
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:348481
Part#: 11537836155
Ships in 5 Business Days
15% off MSRP $ 150.84

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 127.99 USD
Free Shipping
Add to Wish List
15% off MSRP
$ 150.84

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 127.99 USD
Free Shipping
Add to Wish List
Replacement stock thermostat for E90, E92, E93 M3 - S65 engine- E60 M5 E63 M6 with S85 engine. Your car may still operate fine according to the instrument display but the electrically-operated thermostat may be going bad.
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Active Autowerke Thermostat Bypass/Delete Tube - S65
Active Autowerke Thermostat Bypass/Delete Tube - S65
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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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