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BMW Engine Cooling Parts

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Water/Coolant Pump With Support

ES#4179759 - 11518650988 - Water/Coolant Pump With Support - Main pump with metal bracket - Genuine BMW - BMW

Main pump with metal bracket For models with the B48D, B46D, or B46X engines only and without the Energy Recovery System - Not for the earlier Gen1 or later Gen3 engines

Brand:
Genuine BMW - Corporate Logo
ES#:
4179759
Mfg#:
11518650988
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.

$300.99

This product was last offered at the strikethrough price on
07-22-2026

$274.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Line - Turbocharger-Coolant Pump

ES#4871935 - 11538666857 - Line - Turbocharger-Coolant Pump - Direct-fit replacement for your leaking turbocharger coolant hose. - Bremmen Parts - BMW

Direct-fit replacement for your leaking turbocharger coolant hose. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871935
Mfg#:
11538666857
Ships on Aug 11, 2026
Auto Notify
ON SALE! SAVE 10%
$75.99

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

$68.39 USD
Free Shipping
on orders $49 and up

Turbo Charger Cooling Hose - Return

ES#4765877 - 11537558903 - Turbo Charger Cooling Hose - Return - Connects rear turbo charger to rest of cooling system - Bremmen Parts - BMW

Connects rear turbo charger to rest of cooling system 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4765877
Mfg#:
11537558903
In Stock
ON SALE! SAVE 21%
$60.99

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

$48.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Conditioning Fan

ES#180292 - 64546921395 - Air Conditioning Fan - Also known as "pusher fan" - Genuine BMW - BMW

Also known as "pusher fan"

Brand:
Genuine BMW - Corporate Logo
ES#:
180292
Mfg#:
64546921395
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.

$837.99

This product was last offered at the strikethrough price on
07-22-2026

$816.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Water Pump W/ Installation Kit

ES#5346992 - WPS0502 - Water Pump W/ Installation Kit - Includes a Water Pump & Bolts, Thermostat Assembly, Thermostat Hose w/ Aluminum Flange, Water Pump Hose, Lower Radiator Hose, and Water Pump to Thermostat Hose - Rein - BMW

Includes a Water Pump & Bolts, Thermostat Assembly, Thermostat Hose w/ Aluminum Flange, Water Pump Hose, Lower Radiator Hose, and Water Pump to Thermostat Hose 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5346992
Mfg#:
WPS0502
In Stock at Vendor
$811.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit - Level 2

ES#2795143 - 17117573781KT6 - Expansion Tank Replacement Kit - Level 2 - More advanced expansion tank replacement kit - Assembled By ECS - BMW

More advanced expansion tank replacement kit 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2795143
Mfg#:
17117573781KT6
In Stock
ON SALE! SAVE 25%
$164.99

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

$124.17 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 3

ES#2707744 - 17127510952KT7 - Cooling System Refresh Kit - Level 3 - The ultimate kit to eliminate your cooling system issues and get you back on the road worry free - featuring high quality aftermarket contents - Assembled By ECS - BMW

The ultimate kit to eliminate your cooling system issues and get you back on the road worry free - featuring high quality aftermarket contents 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2707744
Mfg#:
17127510952KT7
Ships on Dec 7, 2026
Auto Notify
ON SALE!
$1661.99

This product was last offered at the strikethrough price on
07-16-2026

$1578.76 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Black Market Parts (BMP) Transmission Cooler Fitting (Pair)

ES#4883052 - 2x601-0002 - Black Market Parts (BMP) Transmission Cooler Fitting (Pair) - The Black Market Parts Transmission Cooler Fitting, compatible with many BMWs, is a modular design that allows for easy connection to the factory lines for adding an aftermarket transmission cooler. Two are typically required. - Precision Raceworks - BMW

The Black Market Parts Transmission Cooler Fitting, compatible with many BMWs, is a modular design that allows for easy connection to the factory lines for adding an aftermarket transmission cooler. Two are typically required.

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883052
Mfg#:
2X601-0002
In Stock
$69.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#4883853 - 17127531579 - Radiator Hose - Upper - Replace split hoses - Bremmen Parts - BMW

Replace split hoses 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4883853
Mfg#:
17127531579
In Stock
ON SALE! SAVE 18%
$42.83

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

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Expansion Tank Hose

ES#2803859 - 64218376153 - E46 Expansion Tank Hose - Expansion tank to heater core - Rein - BMW
ECS Tuning recommends this product.

Expansion tank to heater core 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803859
Mfg#:
64218376153
In Stock
$82.99

This product was last offered at the strikethrough price on
05-06-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Genuine BMW Radiator

ES#3243774 - 17118482623 - Genuine BMW Radiator - Genuine and reliable radiator for your B46 B48 B58 - Genuine BMW - BMW

Genuine and reliable radiator for your B46 B48 B58

Brand:
Genuine BMW - Corporate Logo
ES#:
3243774
Mfg#:
17118482623
Ships in 1-2 days
9% off MSRP

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

$585.99

This product was last offered at the strikethrough price on
07-22-2026

$535.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Thermostat with Housing and Gasket

ES#3198177 - 11537644811 - Thermostat with Housing and Gasket - OEM replacement thermostat with housing and gasket for B46 and B48. - Genuine BMW - BMW

OEM replacement thermostat with housing and gasket for B46 and B48. For vehicles with the earlier Gen1 B48/B46 only - not compatible with the later Gen2 B48 (TU) engines

Brand:
Genuine BMW - Corporate Logo
ES#:
3198177
Mfg#:
11537644811
In Stock
ON SALE!
$544.99

This product was last offered at the strikethrough price on
06-25-2026

$535.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Hose

ES#3184963 - 17128620944 - Coolant Expansion Tank Hose - Connects the expansion tank to the coolant return hose. - Genuine BMW - BMW

Connects the expansion tank to the coolant return hose.

Brand:
Genuine BMW - Corporate Logo
ES#:
3184963
Mfg#:
17128620944
Ships in 1-2 days
6% off MSRP

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

$68.00

This product was last offered at the strikethrough price on
07-06-2026

$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 1

ES#1596865 - ECSE391153 - ECS Cooling System Refresh Kit - Level 1 - Stop your cooling problems before they start - featuring a GEBA water pump with a metal impeller - Assembled By ECS - BMW

Stop your cooling problems before they start - featuring a GEBA water pump with a metal impeller 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
1596865
Mfg#:
ECSE391153
In Stock
ON SALE! SAVE 10%
$352.99

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

$319.36 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

LINE COOLANT FEED EXHAUST TU

ES#4749630 - 11538854734 - LINE COOLANT FEED EXHAUST TU - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
4749630
Mfg#:
11538854734
In Stock
4% 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
07-22-2026

$132.99 USD
Free Shipping
on orders $49 and up

Expansion Tank with Cap

ES#4845315 - 17139846642 - Expansion Tank with Cap - Built from high-quality, heat-resistant materials, the expansion tank offers long-lasting performance and is a direct replacement for your vehicle's OEM part, guaranteeing a perfect fit. - Rein - BMW

Built from high-quality, heat-resistant materials, the expansion tank offers long-lasting performance and is a direct replacement for your vehicle's OEM part, guaranteeing a perfect fit. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4845315
Mfg#:
17139846642
In Stock
$99.65 USD
Free Shipping
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

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

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