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BMW E46 Engine Cooling Parts

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Performance Aluminum Fan Shroud Kit

ES#3137376 - MMFSE4699 - Performance Aluminum Fan Shroud Kit - Aluminum fan shroud with 16" slim electric fan - Mishimoto - BMW

Aluminum fan shroud with 16" slim electric fan

Brand:
Mishimoto - Corporate Logo
ES#:
3137376
Mfg#:
MMFSE4699
In Stock at Vendor
9% off MSRP

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

$374.00

This product was last offered at the strikethrough price on
07-20-2026

$339.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Pulley

ES#3499769 - 11511436590 - Water Pump Pulley - A common failing piece due to the plastic design. - Rein - BMW

A common failing piece due to the plastic design. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3499769
Mfg#:
11511436590
In Stock
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Radiator Hose Kit - Red

ES#3047778 - MMHOSEE46NONMRD - Silicone Radiator Hose Kit - Red - Includes pre-attached OE quick-disconnect fittings and new O-rings - Mishimoto - BMW

Includes pre-attached OE quick-disconnect fittings and new O-rings

Brand:
Mishimoto - Corporate Logo
ES#:
3047778
Mfg#:
MMHOSEE46NONMRD
In Stock
$199.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 12" Electric Fan - Black

ES#4147274 - 30100375 - Universal 12" Electric Fan - Black - 861 CFM. High performance puller fan with straight blades. - Spal - Audi BMW MINI

861 CFM. High performance puller fan with straight blades.

Brand:
Spal - Corporate Logo
ES#:
4147274
Mfg#:
30100375
In Stock at Vendor
13% off MSRP

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

$114.99

This product was last offered at the strikethrough price on
07-20-2026

$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#4818533 - 11517838159 - Water Pump - Stop your cooling problems before they start! - Bremmen Parts - BMW

Stop your cooling problems before they start! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818533
Mfg#:
11517838159
Ships on Dec 2, 2026
Auto Notify
ON SALE! SAVE 20%
$138.99

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

$110.97 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#177263 - 64118372783 - Heater Core - Transfers heat to the cabin of the vehicle - Genuine BMW - BMW

Transfers heat to the cabin of the vehicle

Brand:
Genuine BMW - Corporate Logo
ES#:
177263
Mfg#:
64118372783
Ships in 4 Business Days
2% off MSRP

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

$169.99

This product was last offered at the strikethrough price on
07-20-2026

$165.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Cooling System Refresh Kit - Level 1

ES#4876924 - 008682LA02-RF1KT - Performance Cooling System Refresh Kit - Level 1 - An entry-level service kit featuring high-performance cooling system components. Eliminate common failure points and increase cooling system efficiency! - Assembled By ECS - BMW

An entry-level service kit featuring high-performance cooling system components. Eliminate common failure points and increase cooling system efficiency! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4876924
Mfg#:
008682LA02-RF1KT
In Stock
ON SALE!
$1038.99

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

$992.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

E46 Heater Hose

ES#2623000 - 64218376999 - E46 Heater Hose - Runs from the engine to the water valve inlet - Rein - BMW

Runs from the engine to the water valve inlet 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2623000
Mfg#:
64218376999
In Stock
$23.84

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

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump and Seal

ES#3674733 - PA659 - Water Pump and Seal - Get your cooling system flowing properly again. - Saleri - BMW

Get your cooling system flowing properly again.

Brand:
Saleri - Corporate Logo
ES#:
3674733
Mfg#:
PA659
Ships in 1-2 days
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Return Hose

ES#4818535 - 11531436410 - Return Hose - Connects the Expansion Tank to the Water Pipe - Bremmen Parts - BMW

Connects the Expansion Tank to the Water Pipe 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818535
Mfg#:
11531436410
In Stock
ON SALE! SAVE 18%
$27.99

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

$22.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#4142097 - 11517838118 - Water Pump - Includes gasket and o-ring. Featuring a metal impeller. - Saleri - BMW

Includes gasket and o-ring. Featuring a metal impeller.

Brand:
Saleri - Corporate Logo
ES#:
4142097
Mfg#:
11517838118
Ships in 2 Business Days
$223.99

This product was last offered at the strikethrough price on
03-31-2026

$191.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Connection Pipe

ES#4669253 - 17111707817 - Water Connection Pipe - Connects the radiator to the expansion tank - Bavarian Autosport - BMW

Connects the radiator to the expansion tank 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4669253
Mfg#:
17111707817
In Stock
ON SALE! SAVE 20%
$18.99

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

$15.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

8 Piece Fluid Line Stopper Kit

ES#2748908 - 005939SCH01A - 8 Piece Fluid Line Stopper Kit - This kit contains 2 of each size Shark type clamps designed to make a temporary seal on the end of an open line. Includes clamps with 5/16",3/8" and 1/2" open slot. Also contains double seal clamps for banjo style fittings. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

This kit contains 2 of each size Shark type clamps designed to make a temporary seal on the end of an open line. Includes clamps with 5/16",3/8" and 1/2" open slot. Also contains double seal clamps for banjo style fittings. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2748908
Mfg#:
005939SCH01A
In Stock
ON SALE! SAVE 23%
$54.99

This product was last offered at the strikethrough price on
04-26-2026

$42.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Radiator Hose - Upper

ES#25173 - 11537830716 - E46 M3 Radiator Hose - Upper - Connects the radiator to the thermostat housing - Genuine BMW - BMW

Connects the radiator to the thermostat housing

Brand:
Genuine BMW - Corporate Logo
ES#:
25173
Mfg#:
11537830716
Ships in 4 Business Days
$65.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Relief Flush

ES#2608077 - 040202 - Radiator Relief Flush - Concentrated cleansing agent that effectively cleans your cooling system! - DEI - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Concentrated cleansing agent that effectively cleans your cooling system!

Brand:
DEI - Corporate Logo
ES#:
2608077
Mfg#:
040202
In Stock
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pipe

ES#4069398 - 11537502000 - Water Pipe - From water pump to expansion tank hose - Rein - BMW

From water pump to expansion tank hose 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4069398
Mfg#:
11537502000
In Stock
$39.99 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.

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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