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BMW E46 Engine Cooling Parts

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Performance Aluminum Radiator

ES#4500484 - Rad-Type11 - Performance Aluminum Radiator - All metal high performance radiator for improved cooling performance - Zionsville Autosport - BMW

All metal high performance radiator for improved cooling performance

Brand:
Zionsville Autosport - Corporate Logo
ES#:
4500484
Mfg#:
RAD-TYPE11
Ships on Aug 14, 2026
$1149.99 USD

AAF Aluminum Radiator Mounting Kit - E46

ES#4501373 - 11641 - AAF Aluminum Radiator Mounting Kit - E46 - Mount your new radiator the right way! - Advanced Auto Fabrication - BMW

Mount your new radiator the right way!

Brand:
Advanced Auto Fabrication - Corporate Logo
ES#:
4501373
Mfg#:
11641
In Stock at Vendor
$189.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#2813461 - 11521719269 - Radiator Fan Clutch - Common source of engine overheating - Hamburg Tech - BMW

Common source of engine overheating We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813461
Mfg#:
11521719269
In Stock
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Water Pump

ES#2537049 - 11517838159 - E46 Water Pump - Includes alignment dowel - Saleri - BMW

Includes alignment dowel

Brand:
Saleri - Corporate Logo
ES#:
2537049
Mfg#:
11517838159
In Stock at Vendor
$253.11

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

$223.43 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 2

ES#263517 - ECSE461711-2 - ECS Cooling System Refresh Kit - Level 2 - A more advanced kit that includes belt service components - featuring OEM contents - Genuine BMW - BMW

A more advanced kit that includes belt service components - featuring OEM contents For vehicles with production date up to 09/2002

Brand:
Genuine BMW - Corporate Logo
ES#:
263517
Mfg#:
ECSE461711-2
Ships in 6 Business Days
$1100.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Titanium Coolant Bleeder Screw Upgrade

ES#4883832 - BMS-TCBS - Titanium Coolant Bleeder Screw Upgrade - Titanium coolant bleeder screw upgrade for durability, strength, style, and reliability. - Burger Motorsports - BMW

Titanium coolant bleeder screw upgrade for durability, strength, style, and reliability.

Brand:
Burger Motorsports - Corporate Logo
ES#:
4883832
Mfg#:
BMS-TCBS
Back Ordered
$25.00 USD
Free Shipping
on orders $49 and up

ECS Cooling System Refresh Kit - Level 2

ES#263522 - ECSE461711-2 - ECS Cooling System Refresh Kit - Level 2 - A more advanced cooling refresh kit - with OEM components - Genuine BMW - BMW

A more advanced cooling refresh kit - with OEM components For vehicles with production date from 09/2002

Brand:
Genuine BMW - Corporate Logo
ES#:
263522
Mfg#:
ECSE461711-2
Ships in 6 Business Days
$1090.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

ECS Cooling System Refresh Kit - Level 3

ES#3478430 - 17119071519gKT - ECS Cooling System Refresh Kit - Level 3 - The ultimate cooling refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley and a Stewart water pump - Assembled By ECS - BMW

The <font color='red'> ultimate</font> cooling refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley and a Stewart water pump 10X Entries For Our 25th Anniversary Sweepstakes!
Manual transmission vehicles produced up 10/1998 -
For vehicles with production date up to 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
3478430
Mfg#:
17119071519GKT
In Stock at Vendor
ON SALE!
$1086.99

This product was last offered at the strikethrough price on
06-15-2026

$1077.86 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Return Hose

ES#2622959 - 11531436410 - Return Hose - Connects the Expansion Tank to the Water Pipe - Rein - BMW

Connects the Expansion Tank to the Water Pipe 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2622959
Mfg#:
11531436410
In Stock
$17.99

This product was last offered at the strikethrough price on
02-23-2026

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 3 - Without Belts

ES#4376313 - 17119071519RKT - ECS Cooling System Refresh Kit - Level 3 - Without Belts - Assembled By ECS - BMW

10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4376313
Mfg#:
17119071519RKT
In Stock at Vendor
ON SALE!
$1065.99

This product was last offered at the strikethrough price on
06-15-2026

$1054.48 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

AAF Low Temp Thermostat Kit - Full Kit - E46

ES#4504845 - 116211 - AAF Low Temp Thermostat Kit - Full Kit - E46 - Keep your track car at the right temperature! - Advanced Auto Fabrication - BMW

Keep your track car at the right temperature!

Brand:
Advanced Auto Fabrication - Corporate Logo
ES#:
4504845
Mfg#:
116211
In Stock at Vendor
$175.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose

ES#25170 - 11537830713 - Expansion Tank Hose - Hose from expansion tank to engine - Genuine BMW - BMW

Hose from expansion tank to engine

Brand:
Genuine BMW - Corporate Logo
ES#:
25170
Mfg#:
11537830713
Ships in 3 Business Days
$69.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Direct-Fit Oil Cooler Kit

ES#2785165 - MM0CE4601 - E46 M3 Direct-Fit Oil Cooler Kit - Bolt on oil cooler for increased engine oil cooler performance - Mishimoto - BMW

Bolt on oil cooler for increased engine oil cooler performance Reduces oil temperatures by 30°F with a 10 psi reduction in pressure loss

Brand:
Mishimoto - Corporate Logo
ES#:
2785165
Mfg#:
MM0CE4601
In Stock at Vendor
$1032.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Overflow Bottle Hose - Bottom

ES#2622995 - 11531740649 - Overflow Bottle Hose - Bottom - Hose that runs from the bottom of the overflow botle to the water pipe - Rein - BMW

Hose that runs from the bottom of the overflow botle to the water pipe 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2622995
Mfg#:
11531740649
In Stock
$30.99

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

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

AAF Low Temp Thermostat Kit - Partial - E46

ES#4504846 - 116211.2 - AAF Low Temp Thermostat Kit - Partial - E46 - Keep your track car at the right temperature! - Advanced Auto Fabrication - BMW

Keep your track car at the right temperature!

Brand:
Advanced Auto Fabrication - Corporate Logo
ES#:
4504846
Mfg#:
116211.2
Ships in 2 Business Days
$85.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#2893822 - 11527505302 - Radiator Fan Clutch - Common source of engine overheating - Meyle - BMW
ECS Tuning recommends this product.

Common source of engine overheating 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2893822
Mfg#:
11527505302
Ships in 9 Business Days
Auto Notify
$101.99 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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