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BMW E46 Engine Thermostat Parts

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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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
24766
Mfg#:
11531318402
In Stock
$13.82 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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Gates - Corporate Logo
ES#:
3234562
Mfg#:
11531318274
In Stock
$89.99 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 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

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

Racing Thermostat - 70C

ES#4338353 - mmts-e46-99v2 - Racing Thermostat - 70C - Modified thermostat for high performance applications. Use with factory thermostat housing. - Mishimoto - BMW

Modified thermostat for high performance applications. Use with factory thermostat housing. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Mishimoto - Corporate Logo
ES#:
4338353
Mfg#:
MMTS-E46-99V2
Ships in 3 Business Days
$135.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

THERMOSTAT HOUSING

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

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
4870499
Mfg#:
11537838120
Back Ordered
3% 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
10-25-2026

$247.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Bleeder Screw - Priced Each

ES#25157 - 11537793373 - Coolant Bleeder Screw - Priced Each - Comes with O-Ring - Genuine BMW - BMW MINI

Comes with O-Ring Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
25157
Mfg#:
11537793373
In Stock
6% off MSRP

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

$17.99

This product was last offered at the strikethrough price on
10-25-2026

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2592641 - 11537509227KT - Thermostat Replacement Kit - Includes gaskets and hardware and coolant - Genuine BMW - BMW

Includes gaskets and hardware and coolant Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
2592641
Mfg#:
11537509227KT
Back Ordered
$219.99

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

$218.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat - 92C

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

Includes gasket Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Vemo - Corporate Logo
ES#:
2895484
Mfg#:
11537511083
Ships in 1 Business Day
$35.99

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

$34.99 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. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

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

Thermostat Housing Gasket

ES#10947 - 11537509357 - Thermostat Housing Gasket - Needs to be replaced once removed - Elring - BMW

Needs to be replaced once removed 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
10947
Mfg#:
11537509357
In Stock
$7.99

This product was last offered at the strikethrough price on
07-23-2026

$5.99 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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

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 With Housing

ES#3230754 - 11537509227 - Thermostat With Housing - A common item to crack causing leaks - Rein - BMW

A common item to crack causing leaks 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3230754
Mfg#:
11537509227
Ships in 1 Business Day
$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#25079 - 11537509357 - Thermostat Housing Gasket - Needs to be replaced once removed - Genuine BMW - BMW

Needs to be replaced once removed Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
25079
Mfg#:
11537509357
Ships in 1-2 days
14% off MSRP

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

$9.74

This product was last offered at the strikethrough price on
10-25-2026

$8.33 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2592647 - 11537509227KT2 - Thermostat Replacement Kit - Includes gaskets and hardware and coolant - Assembled By ECS - BMW

Includes gaskets and hardware and coolant 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
2592647
Mfg#:
11537509227KT2
Back Ordered
$114.99

This product was last offered at the strikethrough price on
10-01-2026

$104.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Hex Bolt - M6x85mm - Priced Each

ES#241177 - 07119905548 - Hex Bolt - M6x85mm - Priced Each - Replace your rounded or rusted hardware - Genuine BMW - BMW

Replace your rounded or rusted hardware Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
241177
Mfg#:
07119905548
Ships in 1-2 days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine support bracket

ES#1894161 - 11537838119 - Engine support bracket - Bracket that is mounted to the thermostat housing - Genuine BMW - BMW

Bracket that is mounted to the thermostat housing Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
1894161
Mfg#:
11537838119
Ships in 7 Business Days
3% off MSRP

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

$29.99

This product was last offered at the strikethrough price on
10-25-2026

$28.99 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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