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BMW E46 M3 S54 3.2L

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BMW E46 M3 S54 3.2L Engine Thermostat Parts

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Thermostat - 80°C

ES#10939 - 11531318274 - Thermostat - 80C - Restore your cooling performance with a brand new thermostat - Wahler - BMW

Restore your cooling performance with a brand new thermostat

Brand:
Wahler - Corporate Logo
ES#:
10939
Mfg#:
11531318274
Ships in 4 Business Days
$112.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80*C

ES#24765 - 11531318274 - Thermostat - 80*C - Does not include gasket - Genuine BMW - BMW

Does not include gasket

Brand:
Genuine BMW - Corporate Logo
ES#:
24765
Mfg#:
11531318274
In Stock
16% off MSRP

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

$147.44

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

$123.15 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2984802 - 11531318274KT - Thermostat Replacement Kit - Includes thermostat, o-ring, and coolant - Assembled By ECS - BMW

Includes thermostat, o-ring, and coolant 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2984802
Mfg#:
11531318274KT
In Stock
$151.99 USD
Free Shipping
This product is lifetime replacement eligible Partial 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

Brand:
Genuine BMW - Corporate Logo
ES#:
2602973
Mfg#:
11537831103KT
In Stock
$165.99

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

$164.99 USD
Free Shipping
This product is lifetime replacement eligible Partial 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

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

Brand:
Gates - Corporate Logo
ES#:
3234562
Mfg#:
11531318274
Ships in 5 Business Days
$88.99

This product was last offered at the strikethrough price on
09-08-2026

$73.99 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

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
10-10-2026

$247.99 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

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

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

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

Brand:
Genuine BMW - Corporate Logo
ES#:
1894161
Mfg#:
11537838119
Ships in 6 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
04-16-2026

$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#5339222 - 293.300 - Thermostat O-Ring - Seals the thermostat and thermostat housing to the water pump - Elring - BMW

Seals the thermostat and thermostat housing to the water pump 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5339222
Mfg#:
293.300
Back Ordered
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80°C

Restore your cooling performance with a brand new thermostat 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5506632
Mfg#:
11531318274
Ships on Jan 11, 2027
ON SALE! SAVE 10%
$59.99

This product was last offered at the strikethrough price on
10-08-2026

$53.99 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.

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Manufacturer names and/or part numbers are used only for identification purposes.

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