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BMW E46 Engine Cooling Parts

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Coolant Tester

ES#2696212 - V99-1005 - Coolant Tester - Make sure your coolant is safe from freezing! - Vaico - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Make sure your coolant is safe from freezing! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2696212
Mfg#:
V99-1005
In Stock at Vendor
$51.99

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

$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator - Manual

ES#38234 - 17119071517 - Radiator - Manual - Genuine replacement radiator. - Genuine BMW - BMW

Genuine replacement radiator. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only and production date from 05/2005

Brand:
Genuine BMW - Corporate Logo
ES#:
38234
Mfg#:
17119071517
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.

$487.99

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

$456.99 USD
This product is lifetime replacement eligible Lifetime Replacement

E46 Z4 Radiator - Automatic

ES#38236 - 17119071519 - E46 Z4 Radiator - Automatic - Genuine replacement radiator - Genuine BMW - BMW

Genuine replacement radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with automatic transmission only

Brand:
Genuine BMW - Corporate Logo
ES#:
38236
Mfg#:
17119071519
Ships in 3 Business 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.

$487.99

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

$456.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#38235 - 17119071518 - Radiator - Genuine replacement radiator. - Genuine BMW - BMW

Genuine replacement radiator. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only

Brand:
Genuine BMW - Corporate Logo
ES#:
38235
Mfg#:
17119071518
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.

$487.99

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

$456.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit

ES#2602634 - 17112283344KT - Expansion Tank Replacement Kit - Includes all necessary hardware - Genuine BMW - BMW

Includes all necessary hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2602634
Mfg#:
17112283344KT
Ships in 3 Business Days
$460.99

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

$455.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Heater Return Hose

ES#2879541 - 11531433059 - Heater Return Hose - Metal pipe used to connect many heater hoses - Vaico - BMW

Metal pipe used to connect many heater hoses affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2879541
Mfg#:
11531433059
In Stock at Vendor
$231.99

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

$224.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Hard Line Replacement & Upgrade Kit

Includes everything needed to replace heater coolant hard lines 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#:
5435247
Mfg#:
11531705210KT1
Ships on Nov 12, 2026
Auto Notify
$237.99

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

$224.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Universal 10" Electric Fan - Black

ES#2764825 - MMFAN10 - Universal 10" Electric Fan - Black - 850 CFM - 5.1 amps at 12.3 volts - Mishimoto - Audi BMW Volkswagen MINI

850 CFM - 5.1 amps at 12.3 volts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764825
Mfg#:
MMFAN10
In Stock at Vendor
$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Refill/Air Purge Tool

ES#258147 - 81392152473 - Coolant Refill/Air Purge Tool - Refill your cooling system quickly without airlock issues with this factory system - Genuine BMW - BMW

Refill your cooling system quickly without airlock issues with this factory system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
258147
Mfg#:
81392152473
Ships in 1-3 days
$440.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Coolant hose

ES#177980 - 64216902678 - E46 M3 Coolant hose - Runs from block to heater core valve - Genuine BMW - BMW

Runs from block to heater core valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
177980
Mfg#:
64216902678
Ships in 5 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.

$55.99

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

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Hose

ES#2622996 - 13541703865 - Cooling Hose - Runs from throttle body to the cylinder head - Rein - BMW

Runs from throttle body to the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2622996
Mfg#:
13541703865
In Stock at Vendor
$19.83

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

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

Performance Aluminum Expansion Tank

ES#3659552 - 63793 - Performance Aluminum Expansion Tank - Keep your car cool and prepared for hot conditions and end "spontaneous combustion" of plastic expansion tanks. - Moroso - BMW

Keep your car cool and prepared for hot conditions and end "spontaneous combustion" of plastic expansion tanks. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Moroso - Corporate Logo
ES#:
3659552
Mfg#:
63793
In Stock at Vendor
$433.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2770710 - 11517838159 - Water Pump - Includes sealing gaskets - URO - BMW

Includes sealing gaskets affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2770710
Mfg#:
11517838159
Ships in 1 Business Day
$105.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Aluminum Fan Shroud Kit - with NPT

ES#4140143 - MMFS-E46-99K - Performance Aluminum Fan Shroud Kit - with NPT - Aluminum fan shroud with 16" slim electric fan. Includes NPT controller! - Mishimoto - BMW

Aluminum fan shroud with 16" slim electric fan. Includes NPT controller! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
4140143
Mfg#:
MMFS-E46-99K
Ships in 3 Business Days
$420.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#2896230 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - Vemo - BMW

Monitors coolant / oil temperature affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2896230
Mfg#:
13621433076
In Stock at Vendor
$22.99

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

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

Water Pipe

ES#25060 - 11537502000 - Water Pipe - From water pump to expansion tank hose - Genuine BMW - BMW

From water pump to expansion tank hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25060
Mfg#:
11537502000
In Stock
3% off MSRP

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

$60.99

This product was last offered at the strikethrough price on
04-05-2026

$58.99 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

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

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