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BMW Engine Cooling Parts

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M52TU/M54 Heavy Duty Aluminum Expansion Tank Kit

ES#4690219 - 008363LA02 - M52TU/M54 Heavy Duty Aluminum Expansion Tank Kit - As expansion tanks age, they are prone to cracking or even exploding. Replace your factory plastic coolant reservoir with a Turner Heavy Duty aluminum tank for durability and piece of mind! - Turner Motorsport - BMW
ECS Tuning recommends this product.

As expansion tanks age, they are prone to cracking or even exploding. Replace your factory plastic coolant reservoir with a Turner Heavy Duty aluminum tank for durability and piece of mind! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4690219
Mfg#:
008363LA02
In Stock
ON SALE! SAVE 30%
$489.99

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

$342.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator - For Automatic Transmission

ES#3545370 - 3717 - Radiator - For Automatic Transmission - Standard replacement radiator - CSF - BMW

Standard replacement radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CSF - Corporate Logo
ES#:
3545370
Mfg#:
3717
In Stock
$107.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#4759538 - 11518635090 - Water Pump - Keep your engine cool - Bavarian Autosport - BMW

Keep your engine cool affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4759538
Mfg#:
11518635090
Ships on Jun 30, 2026
Auto Notify
ON SALE! SAVE 15%
$333.99

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

$283.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Housing Gasket Kit

ES#4608305 - 1142753729312KT2 - Oil Filter Housing Gasket Kit - Assembled By ECS - BMW

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#:
4608305
Mfg#:
1142753729312KT2
In Stock
ON SALE!
$157.99

This product was last offered at the strikethrough price on
04-03-2026

$144.81 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump - With Mounting Hardware

ES#4039806 - 11517586925 - Water Pump - With Mounting Hardware - Keep your cooling system in tip top shape. Includes retaining hardware - Bavarian Autosport - BMW
ECS Tuning recommends this product.

Keep your cooling system in tip top shape. Includes retaining hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4039806
Mfg#:
11517586925
In Stock
ON SALE! SAVE 10%
$299.99

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

$269.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat With Aluminum Housing - M52TU M54

ES#4487719 - 11531437040 - Thermostat With Aluminum Housing - M52TU M54 - Aluminum construction for improved durability over stock design! Includes an integrated thermostat and rubber seal - Bavarian Autosport - BMW
ECS Tuning recommends this product.

Aluminum construction for improved durability over stock design! Includes an integrated thermostat and rubber seal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4487719
Mfg#:
11531437040
In Stock
ON SALE! SAVE 19%
$104.99

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

$84.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Housing And Heat Exchanger - Upgraded Aluminum

ES#4766201 - 11428596283-M - Oil Filter Housing And Heat Exchanger - Upgraded Aluminum - Includes heat exchanger and gaskets. Manufactured from cast aluminum instead of plastic for improved durability. - Bremmen Parts - BMW

Includes heat exchanger and gaskets. Manufactured from cast aluminum instead of plastic for improved durability. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with the earlier B46A/B48A (Gen1) Engine Only - Not compatible with the B46D/B48D Engine

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766201
Mfg#:
11428596283-M
In Stock
ON SALE! SAVE 17%
$208.99

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

$173.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electronic Thermostat And Coolant Distribution Module

ES#4759995 - 11537642854 - Electronic Thermostat And Coolant Distribution Module - Thermostat controlled by the ECU for precise temperature control. - Bremmen Parts - BMW

Thermostat controlled by the ECU for precise temperature control. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759995
Mfg#:
11537642854
In Stock
ON SALE!
$308.99

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

$292.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW Coolant / Antifreeze - 1 Gallon - Green HT-12

ES#4040386 - 83192468442 - BMW Coolant / Antifreeze - 1 Gallon - Green HT-12 - 100% strength concentrate - dilute to a 50:50 ratio with distilled water - Genuine BMW - BMW

100% strength concentrate - dilute to a 50:50 ratio with distilled water affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles Produced After 2018

Brand:
Genuine BMW - Corporate Logo
ES#:
4040386
Mfg#:
83192468442
In Stock
$35.95 USD
Free Shipping
on orders $49 and up

Water Pump

ES#4812393 - 11518635089 - Water Pump - Keep your cooling system in tip top shape! - Bavarian Autosport - BMW

Keep your cooling system in tip top shape! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4812393
Mfg#:
11518635089
In Stock
ON SALE! SAVE 20%
$343.99

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

$275.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mosselman S55 Billet Oil Thermostat - Silver

ES#4446093 - OTS55.T85 - Mosselman S55 Billet Oil Thermostat - Silver - The MSL thermostat ensures a cooler oil temperature which will result in more stable performance - Mosselman Turbosystems - BMW

The MSL thermostat ensures a cooler oil temperature which will result in more stable performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mosselman Turbosystems - Corporate Logo
ES#:
4446093
Mfg#:
OTS55.T85
In Stock
$429.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Performance Aluminum Radiator

ES#3477929 - 7078 - High Performance Aluminum Radiator - Featuring an all-aluminum tank and core. Lower engine temperatures mean more power and longer life of engine components! - CSF - BMW

Featuring an all-aluminum tank and core. Lower engine temperatures mean more power and longer life of engine components! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CSF - Corporate Logo
ES#:
3477929
Mfg#:
7078
In Stock
$675.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VTT Complete N54 Coolant Hose Kit

ES#4045621 - VTT-N54-COOLANT- - VTT Complete N54 Coolant Hose Kit - A complete upgrade to the weak factory hoses. - Vargas Turbo Technologies - BMW

A complete upgrade to the weak factory hoses. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4045621
Mfg#:
VTT-N54-COOLANT-
In Stock
$464.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Aluminum Oil Filter Housing With Filter

ES#5339965 - 11428583895M - Upgraded Aluminum Oil Filter Housing With Filter - Includes housing, gasket, filter and cap. - Bremmen Parts - BMW

Includes housing, gasket, filter and cap. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5339965
Mfg#:
11428583895M
Ships in 8 Business Days
ON SALE! SAVE 15%
$275.99

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

$234.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Billet Cylinder Head Outlet Hose Adapter

ES#3552811 - 024797ECS01 - ECS Billet Cylinder Head Outlet Hose Adapter - Upgrade to a much more durable connection from your cylinder head to your thermostat! Commonly referred to as a "Mickey Mouse" flange/adapter. - ECS - BMW

Upgrade to a much more durable connection from your cylinder head to your thermostat! Commonly referred to as a "Mickey Mouse" flange/adapter. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3552811
Mfg#:
024797ECS01
In Stock
ON SALE! SAVE 25%
$74.99

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

$56.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 High Performance Aluminum Radiator

ES#2992604 - 3055 - E46 High Performance Aluminum Radiator - Lower engine temperatures mean more power and longer life of engine components! - CSF - BMW

Lower engine temperatures mean more power and longer life of engine components! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only

Brand:
CSF - Corporate Logo
ES#:
2992604
Mfg#:
3055
In Stock
$409.00 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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