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BMW M3 Engine Thermostat Parts

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Thermostat - 75*C

ES#4730406 - 11537511580 - Thermostat - 75*C - If you own a classic M50, M52, or S52-powered BMW, you already know that keeping the engine cooling system happy is the golden rule of ownership. - Wahler - BMW

If you own a classic M50, M52, or S52-powered BMW, you already know that keeping the engine cooling system happy is the golden rule of ownership. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wahler - Corporate Logo
ES#:
4730406
Mfg#:
11537511580
In Stock at Vendor
$60.99

This product was last offered at the strikethrough price on
05-07-2026

$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#24766 - 11531318402 - Thermostat O-Ring - BMW does not include a o-ring with their new thermostats - Genuine BMW - BMW

BMW does not include a o-ring with their new thermostats affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24766
Mfg#:
11531318402
In Stock
$13.99

This product was last offered at the strikethrough price on
02-15-2026

$13.33 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2602973 - 11537831103KT - Thermostat Replacement Kit - Includes thermostat, o-ring, and coolant - Genuine BMW - BMW

Includes thermostat, o-ring, and coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2602973
Mfg#:
11537831103KT
Ships in 1-2 days
$165.99

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

$162.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

E30 Heater Core Thermostat

ES#177574 - 64118391926 - E30 Heater Core Thermostat - Located inline between engine and heater core - Genuine BMW - BMW

Located inline between engine and heater core affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
177574
Mfg#:
64118391926
Ships in 1-2 days
4% off MSRP

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

$109.99

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

$105.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#24925 - 11531722531 - Thermostat Housing - Replacement plastic thermostat housing - Genuine BMW - BMW

Replacement plastic thermostat housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24925
Mfg#:
11531722531
Ships in 3 Business Days
4% off MSRP

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

$76.99

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

$73.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#24568 - 11531265084 - Thermostat O-Ring - Seals thermostat to cylinder head - Genuine BMW - BMW

Seals thermostat to cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24568
Mfg#:
11531265084
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ultimate Fan Delete Kit

ES#2739351 - E36FNDuKT - ultimate Fan Delete Kit - Free up some extra horsepower by deleting your fan - with upgraded aluminum thermostat housing, fan delete nut and ECS Aluminum Water Pump Pulley - Assembled By ECS - BMW

Free up some extra horsepower by deleting your fan - with upgraded aluminum thermostat housing, fan delete nut and ECS Aluminum Water Pump Pulley affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Gain peace of mind - no more worrying about exploding fans and seizing fan clutches
For vehicles with production date from 09/1995

Brand:
Assembled By ECS - Corporate Logo
ES#:
2739351
Mfg#:
E36FNDUKT
In Stock
ON SALE!
$265.84 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat - 92C

ES#2895484 - 11537511083 - Thermostat - 92C - Includes gasket - Vemo - BMW

Includes gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2895484
Mfg#:
11537511083
Ships on Sep 29, 2026
$35.99

This product was last offered at the strikethrough price on
05-07-2026

$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt With Washer - Priced Each

ES#4865874 - 11531740317KT - Hex Bolt With Washer - Priced Each - Used to secure the thermostat - Bremmen Parts - BMW

Used to secure the thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4865874
Mfg#:
11531740317KT
In Stock
ON SALE! SAVE 39%
$3.99

This product was last offered at the strikethrough price on
05-02-2026

$2.43 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 92C

ES#3032192 - 11537511083 - Thermostat - 92C - Includes o-ring - Mahle - BMW

Includes o-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle - Corporate Logo
ES#:
3032192
Mfg#:
11537511083
Ships in 8 Business Days
$29.99

This product was last offered at the strikethrough price on
05-21-2026

$27.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Fan Delete Kit

ES#2739354 - E36FNDU2KT - Ultimate Fan Delete Kit - Free up some extra horsepower by deleting your fan - with upgraded aluminum thermostat housing, fan delete nut and ECS Aluminum Water Pump Pulley - Assembled By ECS - BMW

Free up some extra horsepower by deleting your fan - with upgraded aluminum thermostat housing, fan delete nut and ECS Aluminum Water Pump Pulley affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Gain peace of mind - no more worrying about exploding fans and seizing fan clutches
For vehicles with production date up to 09/1995

Brand:
Assembled By ECS - Corporate Logo
ES#:
2739354
Mfg#:
E36FNDU2KT
In Stock
ON SALE!
$245.47 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

THERMOSTAT HOUSING

ES#4870499 - 11537838120 - THERMOSTAT HOUSING - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
4870499
Mfg#:
11537838120
Back Ordered
Auto Notify
4% off MSRP

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

$255.99

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

$246.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 92 Degree Celcius - Vernet

ES#3674980 - TH6243.92J - Thermostat - 92 Degree Celcius - Vernet - 92 Degree Celcius/ 197 Degree Farenheit. - Vernet - BMW

92 Degree Celcius/ 197 Degree Farenheit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vernet - Corporate Logo
ES#:
3674980
Mfg#:
TH6243.92J
Ships in 1-2 days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80C

ES#3234562 - 11531318274 - Thermostat - 80C - Gasket Not included - Gates - BMW
ECS Tuning recommends this product.

Gasket Not included affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
3234562
Mfg#:
11531318274
Ships in 5 Business Days
$73.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#2594165 - 11531318402 - Thermostat O-Ring - BMW does not include a o-ring with their new thermostats - Wahler - BMW

BMW does not include a o-ring with their new thermostats affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wahler - Corporate Logo
ES#:
2594165
Mfg#:
11531318402
In Stock
$6.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 88*C

ES#259838 - 11537511580 - Thermostat - 88*C - Common point of failure in the cooling system. - Wahler - BMW

Common point of failure in the cooling system. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wahler - Corporate Logo
ES#:
259838
Mfg#:
11537511580
In Stock at Vendor
$52.99

This product was last offered at the strikethrough price on
05-07-2026

$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Thermostat Parts

Your thermostat helps regulate engine temperatures by allowing the coolant to circulate through the radiator once it opens. If it fails, this might mean it never closes, but worst case, it could mean your coolant doesn't get to the radiator. Stay ahead of cooling issues by replacing your thermostat regularly with an OEM thermostat or quality aftermarket thermostat from our selection.

Let us help you find the parts that fit your BMW

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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