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BMW Engine Cooling Parts

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Radiator

ES#4181143 - 17118666811 - Radiator - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
4181143
Mfg#:
17118666811
In Stock
10% off MSRP

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

$552.99

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

$499.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2678873 - 11517838135 - Water Pump - New not re manufactured - Genuine BMW - BMW

New not re manufactured affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2678873
Mfg#:
11517838135
Ships in 3 Business Days
7% off MSRP

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

$800.99

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

$747.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Coolant Hose

ES#4179820 - 11538650984 - Cylinder Head Coolant Hose - Connects the cylinder head to the water pump - Genuine BMW - BMW

Connects the cylinder head to the water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Pre-LCI models with the earlier B46D engine

Brand:
Genuine BMW - Corporate Logo
ES#:
4179820
Mfg#:
11538650984
In Stock
2% off MSRP

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

$138.99

This product was last offered at the strikethrough price on
03-04-2026

$135.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose

ES#4773000 - 64218376153 - Expansion Tank Hose - Expansion tank to heater core - Bremmen Parts - BMW

Expansion tank to heater core affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4773000
Mfg#:
64218376153
Ships on Sep 24, 2026
Auto Notify
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

Blackline Performance Coolant Expansion Tank Cap Cover - Blue

ES#4475807 - FXXCET-B - Blackline Performance Coolant Expansion Tank Cap Cover - Blue - Give your vehicle modern styling for years to last - Goldenwrench Supply Co - BMW

Give your vehicle modern styling for years to last affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Goldenwrench Supply Co - Corporate Logo
ES#:
4475807
Mfg#:
FXXCET-B
Ships in 7 Business Days
$65.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#4346317 - 17118476010 - Radiator - Replace your leaking radiator. - Nissens - BMW

Replace your leaking radiator. We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nissens - Corporate Logo
ES#:
4346317
Mfg#:
17118476010
In Stock at Vendor
$863.99

This product was last offered at the strikethrough price on
12-15-2025

$746.87 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2848351 - 11518623574 - Water Pump - Cools the engine by transferring the coolant - Genuine BMW - BMW MINI

Cools the engine by transferring the coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2848351
Mfg#:
11518623574
In Stock
10% off MSRP

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

$182.99

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

$164.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 3 plus

ES#3706700 - 17119071519gKT2 - ECS Cooling System Refresh Kit - Level 3 plus - The ultimate cooling refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley, Stewart water pump and Aluminum Radiator - Assembled By ECS - BMW

The <font color='red'> ultimate</font> cooling refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley, Stewart water pump and Aluminum Radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For Automatic Vehicles Only!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3706700
Mfg#:
17119071519GKT2
Ships in 4 Business Days
$1481.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

COOLANT PUMP WITH SUPPORT

ES#4826903 - 11515B43066 - COOLANT PUMP WITH SUPPORT - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
4826903
Mfg#:
11515B43066
In Stock
10% off MSRP

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

$327.99

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

$295.99 USD
Free Shipping
on orders $49 and up

Freeze Plug

ES#3448137 - 11117530262 - Freeze Plug - Replace your missing freeze plug today - 110x13mm - Elring - BMW

Replace your missing freeze plug today - 110x13mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3448137
Mfg#:
11117530262
In Stock
$25.99

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

$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Radiator - Black - E46 M3

ES#4656925 - WC310S - Aluminum Radiator - Black - E46 M3 - Let your engine breathe better with this DO88 Radiator! - DO88 - BMW

Let your engine breathe better with this DO88 Radiator! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DO88 - Corporate Logo
ES#:
4656925
Mfg#:
WC310S
In Stock at Vendor
$735.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Oil cooler Retrofit Kit

ES#4715653 - 17227521376AKT - Oil cooler Retrofit Kit - Includes every thing needed to retrofit a factory oil cooler - Assembled By ECS - BMW

Includes every thing needed to retrofit a factory oil cooler 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#:
4715653
Mfg#:
17227521376AKT
Ships in 3 Business Days
$1470.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#4181185 - 17119797807 - Radiator - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
4181185
Mfg#:
17119797807
In Stock
Limited Qty Sale
$540.99

This product was last offered at the strikethrough price on
05-25-2026

$488.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Coolant Expansion Tank

ES#4812418 - 63851 - Aluminum Coolant Expansion Tank - Eliminate your failure-prone plastic tank! - Moroso - BMW

Eliminate your failure-prone plastic tank! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Moroso - Corporate Logo
ES#:
4812418
Mfg#:
63851
In Stock at Vendor
$488.99 USD
Free Shipping
on orders $49 and up

Performance Water Pump And Thermostat Kit

ES#2804557 - 11517586925KT9 - Performance Water Pump And Thermostat Kit - Includes a 74c race thermostat - Featuring a Pierburg pump - Assembled By ECS - BMW

Includes a 74c race thermostat - Featuring a Pierburg pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with plastic thermostat housing

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804557
Mfg#:
11517586925KT9
In Stock
$487.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat - 105C

ES#258751 - 11537586885 - Thermostat - 105C - Includes housing and sealing o-ring - Wahler - BMW

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

Brand:
Wahler - Corporate Logo
ES#:
258751
Mfg#:
11537586885
In Stock
$137.99

This product was last offered at the strikethrough price on
12-24-2025

$72.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

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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