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BMW F30 Engine Thermostat Parts

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Water Pump And Thermostat Kit

ES#4056697 - 11518635090KT5 - Water Pump And Thermostat Kit - Includes everything you need to replace your water pump and thermostat. - Assembled By ECS - BMW

Includes everything you need to replace your water pump and thermostat. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4056697
Mfg#:
11518635090KT5
Ships on Jun 30, 2026
Auto Notify
ON SALE! SAVE 11%
$485.99

This product was last offered at the strikethrough price on
06-02-2026

$432.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Mosselman Billet Oil Thermostat - N55 - Silver

ES#4446094 - OTN55.T85 - Mosselman Billet Oil Thermostat - N55 - Silver - The MSL thermostat ensures a cooler oil temperature which will result in more stable performance - Mosselman Turbosystems - BMW

The MSL thermostat ensures a cooler oil temperature which will result in more stable performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mosselman Turbosystems - Corporate Logo
ES#:
4446094
Mfg#:
OTN55.T85
In Stock
$379.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Electronic Thermostat And Coolant Distribution Module

ES#4759995 - 11537642854 - Electronic Thermostat And Coolant Distribution Module - Thermostat controlled by the ECU for precise temperature control. - Bremmen Parts - BMW

Thermostat controlled by the ECU for precise temperature control. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759995
Mfg#:
11537642854
In Stock
ON SALE!
$308.99

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

$292.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electronic Thermostat and Coolant Distribution Module

ES#2993814 - 11537642854 - Electronic Thermostat and Coolant Distribution Module - Thermostat controlled by the ECU for precise temperature control. - Genuine BMW - BMW

Thermostat controlled by the ECU for precise temperature control. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2993814
Mfg#:
11537642854
Ships in 1 day
6% off MSRP

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

$603.99

This product was last offered at the strikethrough price on
06-04-2026

$566.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat With Aluminum Housing - N20

ES#4759997 - 11538635689M - Thermostat With Aluminum Housing - N20 - Aluminum construction for improved durability over stock design! Includes an integrated thermostat. - Bremmen Parts - BMW

Aluminum construction for improved durability over stock design! Includes an integrated 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#:
4759997
Mfg#:
11538635689M
In Stock
ON SALE! SAVE 20%
$125.99

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

$100.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly - N55

ES#4899910 - 11537598865 - Thermostat Assembly - N55 - A common item to crack causing leaks - Wahler - BMW

A common item to crack causing leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wahler - Corporate Logo
ES#:
4899910
Mfg#:
11537598865
In Stock
$118.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#4669228 - 11537598865 - Thermostat Assembly - A common item to crack causing leaks. - Bavarian Autosport - BMW

A common item to crack causing leaks. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4669228
Mfg#:
11537598865
In Stock
ON SALE! SAVE 10%
$77.99

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

$70.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#4271427 - 11537598865 - Thermostat Assembly - A common item to crack causing leaks. - URO - BMW

A common item to crack causing leaks. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4271427
Mfg#:
11537598865
In Stock
$83.42 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump & Thermostat Kit - B46 2.0L

ES#4869783 - 11518638026eKT - Water Pump & Thermostat Kit - B46 2.0L - Includes an OEM water pump, heat management module, and 1 gallon of coolant concentrate - Assembled By ECS - BMW

Includes an OEM water pump, heat management module, and 1 gallon of coolant concentrate affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4869783
Mfg#:
11518638026EKT
Ships on Jul 29, 2026
Auto Notify
ON SALE!
$395.99

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

$361.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Water Pump And Thermostat Kit

ES#2960474 - 11517604027KT - Water Pump And Thermostat Kit - Includes everything you need to replace your water pump and thermostat - Assembled By ECS - BMW

Includes everything you need to replace your water pump and thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2960474
Mfg#:
11517604027KT
In Stock
ON SALE!
$482.99

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

$468.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N54/N55 Low Temp Oil Thermostat Kit - 70c

ES#4817856 - n54n55ltKT - N54/N55 Low Temp Oil Thermostat Kit - 70c - New billet thermostat cover, hardware and gasket. Featuring a low temp thermostat - 40 degrees Celsius/ 72 degrees Fahrenheit lower than factory. - Assembled By ECS - BMW

New billet thermostat cover, hardware and gasket. Featuring a low temp thermostat - 40 degrees Celsius/ 72 degrees Fahrenheit lower than factory. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4817856
Mfg#:
N54N55LTKT
Back Ordered
Auto Notify
ON SALE! SAVE 20%
$152.99

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

$122.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat With Housing

ES#2960473 - 11537633476 - Thermostat With Housing - No heat? Overheating? Time for a cooling system service. - Mahle-Behr - BMW

No heat? Overheating? Time for a cooling system service. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle-Behr - Corporate Logo
ES#:
2960473
Mfg#:
11537633476
In Stock at Vendor
$106.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#2562699 - 11537598865 - Thermostat Assembly - A common item to crack causing leaks. - Genuine BMW - BMW

A common item to crack causing leaks. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2562699
Mfg#:
11537598865
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.

$194.95

This product was last offered at the strikethrough price on
06-04-2026

$163.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose Connector - Upgraded Aluminum

ES#4769756 - 11118511205 - Coolant Hose Connector - Upgraded Aluminum - Located on the side of the engine block, replaces failure-prone OE plastic construction. - Bremmen Parts - BMW MINI

Located on the side of the engine block, replaces failure-prone OE plastic construction. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4769756
Mfg#:
11118511205
In Stock
ON SALE! SAVE 20%
$42.99

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

$34.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat With Housing

ES#4690253 - 11538635689 - Thermostat With Housing - No heat? Overheating? Time for a cooling system service. - Bavarian Autosport - BMW

No heat? Overheating? Time for a cooling system service. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4690253
Mfg#:
11538635689
In Stock
ON SALE! SAVE 20%
$67.99

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

$54.39 USD
Free Shipping
on orders $49 and up

Electronic Thermostat And Coolant Distribution Module

ES#4772485 - 11537642854 - Electronic Thermostat And Coolant Distribution Module - Thermostat controlled by the ECU for precise temperature control. - URO - BMW

Thermostat controlled by the ECU for precise temperature control. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4772485
Mfg#:
11537642854
Back Ordered
Auto Notify
$265.97 USD
Free Shipping
on orders $49 and up

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

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

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