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BMW Engine Cooling Parts

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Performance Water Pump & Thermostat Kit

ES#4818358 - 11517527799KT - Performance Water Pump & Thermostat Kit - Featuring a high-performance Stewart water pump and low-temp Mishimoto thermostat with aluminum housing! - Assembled By ECS - BMW

Featuring a high-performance Stewart water pump and low-temp Mishimoto thermostat with aluminum housing! 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#:
4818358
Mfg#:
11517527799KT
Ships in 5 Business Days
$339.99

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

$337.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Radiator Fan Clutch

ES#2895469 - 11527505302 - Radiator Fan Clutch - Common source of engine overheating - Vemo - BMW

Common source of engine overheating affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2895469
Mfg#:
11527505302
In Stock at Vendor
$155.99

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

$151.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Racing Thermostat - 68C

ES#2765161 - MMTSE3692 - Racing Thermostat - 68C - Modified thermostat for high performance applications - Mishimoto - BMW

Modified thermostat for high performance applications affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2765161
Mfg#:
MMTSE3692
In Stock
$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxillary Water Pump

ES#4316471 - 0392023509 - Auxillary Water Pump - Supplies coolant to the turbo(s) of your BMW. - Bosch - BMW

Supplies coolant to the turbo(s) of your BMW. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4316471
Mfg#:
0392023509
In Stock
$103.99

This product was last offered at the strikethrough price on
12-22-2025

$65.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Vent Hose

ES#3499695 - 17127618510 - Expansion Tank Vent Hose - Connects to the top of the expansion tank and the upper radiator hose - Rein - BMW

Connects to the top of the expansion tank and the upper radiator hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3499695
Mfg#:
17127618510
In Stock
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Mounting Plate

ES#4304678 - 17111436251 - Expansion Tank Mounting Plate - Mounts to the side of the radiator for retaining the expansion tank - Bavarian Autosport - BMW

Mounts to the side of the radiator for retaining the expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with an automatic transmission only

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4304678
Mfg#:
17111436251
In Stock
ON SALE! SAVE 20%
$45.99

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

$36.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Heater Control Valve

ES#4414672 - 64116910544 - Water Heater Control Valve - With additional water pump - Bremmen Parts - BMW

With additional water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4414672
Mfg#:
64116910544
In Stock
ON SALE! SAVE 20%
$85.99

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

$68.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mosselman Twin Oil Cooler Kit

ES#5424547 - 030210070-86KT - Mosselman Twin Oil Cooler Kit - Stay cool, even during heated conditions - Mosselman Turbosystems - BMW

Stay cool, even during heated conditions affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mosselman Turbosystems - Corporate Logo
ES#:
5424547
Mfg#:
030210070-86KT
Back Ordered
Auto Notify
$1498.00 USD
Free Shipping
on orders $49 and up

Fan Shroud

ES#37880 - 17111723031 - Fan Shroud - Maintain proper air flow - Genuine BMW - BMW

Maintain proper air flow affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
37880
Mfg#:
17111723031
In Stock
1% off MSRP

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

$108.24

This product was last offered at the strikethrough price on
01-07-2026

$106.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Low Temperature Thermostat - 97C

ES#4760003 - 11537601158-97C - Low Temperature Thermostat - 97C - Low-temp thermostat reduces stresses on engine components and improves performance - Bremmen Parts - BMW

Low-temp thermostat reduces stresses on engine components and improves performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4760003
Mfg#:
11537601158-97C
In Stock
ON SALE! SAVE 20%
$95.99

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

$76.70 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#4818588 - 17137823626 - Coolant Expansion Tank - Mounts towards the front of the engine bay. - Bremmen Parts - BMW MINI

Mounts towards the front of the engine bay. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818588
Mfg#:
17137823626
In Stock
ON SALE! SAVE 20%
$47.99

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

$38.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather line

ES#1897619 - 17127599452 - Breather line - The venting line for your radiator - Genuine BMW - BMW

The venting line for your radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
1897619
Mfg#:
17127599452
In Stock
9% off MSRP

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

$89.68

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

$81.86 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upper Radiator Hose

ES#4818575 - 17127540127 - Upper Radiator Hose - The hose that comes off of the top outlet on the radiator - Bremmen Parts - BMW

The hose that comes off of the top outlet on the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818575
Mfg#:
17127540127
Ships on Jun 22, 2026
Auto Notify
ON SALE! SAVE 20%
$42.99

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

$34.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Racing Thermostat

ES#2804271 - MMTS-E90-07 - Racing Thermostat - Promotes greater cooling for increased engine performance - Mishimoto - BMW

Promotes greater cooling for increased engine performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with plastic thermostat housing

Brand:
Mishimoto - Corporate Logo
ES#:
2804271
Mfg#:
MMTS-E90-07
In Stock
$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Inlet Hose

ES#38749 - 17221711464 - Oil Cooler Inlet Hose - Hose that circulates oil to the oil cooler - Genuine BMW - BMW

Hose that circulates oil to the oil cooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with a production date from 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
38749
Mfg#:
17221711464
In Stock
1% off MSRP

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

$181.99

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

$180.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CSF Race-Spec Oil Cooler

ES#4743366 - 8275 - CSF Race-Spec Oil Cooler - Keep oil temps down and reliability up! - CSF - BMW

Keep oil temps down and reliability up! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CSF - Corporate Logo
ES#:
4743366
Mfg#:
8275
In Stock
$579.00 USD
Free Shipping

More About Engine Cooling Parts

Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.

Other BMW Engine Cooling Parts

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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