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BMW Engine Cooling Parts

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Coolant Expansion Tank

ES#4017129 - 17139884859 - Coolant Expansion Tank - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
4017129
Mfg#:
17139884859
Ships in 1 Business Day
$259.99

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

$253.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

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

Brand:
Genuine BMW - Corporate Logo
ES#:
4181143
Mfg#:
17118666811
Ships in 1-2 days
8% 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
11-03-2026

$506.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Lower Housing Gasket

ES#175967 - 64111370937 - Heater Core Lower Housing Gasket - Attaches to the lower housing of the heater core box - Genuine BMW - BMW

Attaches to the lower housing of the heater core box

Brand:
Genuine BMW - Corporate Logo
ES#:
175967
Mfg#:
64111370937
Ships in 1-2 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.

$39.99

This product was last offered at the strikethrough price on
11-03-2026

$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pipe Service Kit - No coolant

ES#3706860 - 11141439975KT2 - Water Pipe Service Kit - No coolant - Addresses common low-mileage failure caused by poor OEM o-ring/pipe design. Includes everything needed for a basic water pipe replacement - Assembled By ECS - BMW

Addresses common low-mileage failure caused by poor OEM o-ring/pipe design. Includes everything needed for a basic water pipe replacement 10X Entries Into Our F80 M3 Sweepstakes
Innovative collapsible water pipe greatly reduces time required to complete service!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3706860
Mfg#:
11141439975KT2
Ships in 5 Business Days
$537.99

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

$505.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 1

ES#3659072 - 11517846361KT - Cooling System Refresh Kit - Level 1 - Everything you need to replace your water pump and thermostat with OE BMW components. - Genuine BMW - BMW

Everything you need to replace your water pump and thermostat with OE BMW components.

Brand:
Genuine BMW - Corporate Logo
ES#:
3659072
Mfg#:
11517846361KT
Ships in 1-2 days
$505.99

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

$504.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

ECS Cooling System Refresh Kit - Level 2

ES#2158110 - ECSE531711-9 - ECS Cooling System Refresh Kit - Level 2 - Stop your cooling problems before they start - includes an ECS Aluminum water pump pulley and featuring a GEBA water pump with a metal impeller - Assembled By ECS - BMW

Stop your cooling problems before they start - includes an ECS Aluminum water pump pulley and featuring a GEBA water pump with a metal impeller 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date from 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
2158110
Mfg#:
ECSE531711-9
Back Ordered
ON SALE!
$525.99

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

$504.69 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

ECS Cooling Maintenance Kit - Level 2

ES#2528697 - 17117573751LV2B - ECS Cooling Maintenance Kit - Level 2 - A more advanced cooling refresh kit - with aftermarket components, including an ECS Aluminum water pump pulley and featuring a GEBA water pump with a metal impeller - Assembled By ECS - BMW

A more advanced cooling refresh kit - with aftermarket components, including an ECS Aluminum water pump pulley and featuring a GEBA water pump with a metal impeller 10X Entries Into Our F80 M3 Sweepstakes
For roadster models with production date from 04/2004

Brand:
Assembled By ECS - Corporate Logo
ES#:
2528697
Mfg#:
17117573751LV2B
Back Ordered
ON SALE!
$542.99

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

$504.14 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Remanufactured Water Pump

ES#2786624 - 11510004162 - Remanufactured Water Pump - Remanufactured, but no core charge! - Genuine BMW - BMW

Remanufactured, but no core charge!

Brand:
Genuine BMW - Corporate Logo
ES#:
2786624
Mfg#:
11510004162
Back Ordered
6% off MSRP

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

$535.99

This product was last offered at the strikethrough price on
11-03-2026

$503.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Return Hose

ES#38454 - 17127560160 - Coolant Return Hose - Genuine BMW - BMW

For Vehicles with Hot Climate Package

Brand:
Genuine BMW - Corporate Logo
ES#:
38454
Mfg#:
17127560160
Ships in 1-2 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.

$172.99

This product was last offered at the strikethrough price on
11-03-2026

$167.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Return Hose

ES#25184 - 11537834054 - Radiator Return Hose - For cylinders 1-5 - Genuine BMW - BMW

For cylinders 1-5

Brand:
Genuine BMW - Corporate Logo
ES#:
25184
Mfg#:
11537834054
In Stock
$55.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#2611387 - 12621710511 - Temperature Sensor - Monitors coolant temperature - Genuine BMW - BMW

Monitors coolant temperature For vehicles with production date from 09/1985

Brand:
Genuine BMW - Corporate Logo
ES#:
2611387
Mfg#:
12621710511
In Stock
5% off MSRP

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

$58.99

This product was last offered at the strikethrough price on
11-03-2026

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Overflow Hose

ES#5341126 - 17125A022D6 - Coolant Expansion Tank Overflow Hose - Connects the expansion tank to the radiator - Rein - BMW

Connects the expansion tank to the radiator 2X Entries Into Our F80 M3 Sweepstakes
For early models with the Gen1 B46/B48 engine - Not for vehicles with the later TU engines

Brand:
Rein - Corporate Logo
ES#:
5341126
Mfg#:
17125A022D6
Ships on Nov 19, 2026
$35.99 USD
Free Shipping
on orders $49 and up

Lower Sealing Gasket

ES#37699 - 17111436245 - Lower Sealing Gasket - Used along the lower portion of the radiator - Genuine BMW - BMW

Used along the lower portion of the radiator

Brand:
Genuine BMW - Corporate Logo
ES#:
37699
Mfg#:
17111436245
Ships in 1-2 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.

$36.99

This product was last offered at the strikethrough price on
11-03-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Outlet Hose

ES#4818543 - 11537541992 - Coolant Outlet Hose - Attached to the outlet on the thermostat housing - Bremmen Parts - BMW

Attached to the outlet on the thermostat housing 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818543
Mfg#:
11537541992
In Stock
ON SALE!
$27.99 USD
Free Shipping
on orders $49 and up

DO88 Coolant Hoses - Blue - E90/E92 M3

ES#4656899 - do88kit94B - DO88 Coolant Hoses - Blue - E90/E92 M3 - Coolant hose upgrade for the S65 engine! - DO88 - BMW

Coolant hose upgrade for the S65 engine!

Brand:
DO88 - Corporate Logo
ES#:
4656899
Mfg#:
DO88KIT94B
In Stock
Limited Qty Sale
$291.99

This product was last offered at the strikethrough price on
08-07-2026

$250.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit - Level 2

ES#2825779 - 17117573781OEKT1 - Expansion Tank Replacement Kit - Level 2 - More advanced expansion tank replacement kit - Genuine BMW - BMW

More advanced expansion tank replacement kit

Brand:
Genuine BMW - Corporate Logo
ES#:
2825779
Mfg#:
17117573781OEKT1
Ships in 1-2 days
$589.99

This product was last offered at the strikethrough price on
07-10-2026

$499.99 USD
Free Shipping
This product is lifetime replacement eligible Partial 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

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

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