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BMW E46 330xi M54 3.0L Cooling System Service & Maintenance Parts

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BMW Coolant / Antifreeze - 1 Gallon - Blue G48

ES#196290 - 82141467704 - BMW Coolant / Antifreeze - 1 Gallon - Blue G48 - 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 Up To 2018

Brand:
Genuine BMW - Corporate Logo
ES#:
196290
Mfg#:
82141467704
In Stock
6% off MSRP

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

$28.25

This product was last offered at the strikethrough price on
06-03-2026

$26.48 USD
Free Shipping
on orders $49 and up

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

ECS Cooling System Refresh Kit - Level 1

ES#263518 - ECSE461711-1 - ECS Cooling System Refresh Kit - Level 1 - Contains the components that commonly fail in your cooling system - featuring aftermarket contents - Assembled By ECS - BMW

Contains the components that commonly fail in your cooling system - featuring aftermarket contents 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#:
263518
Mfg#:
ECSE461711-1
In Stock
ON SALE!
$337.99

This product was last offered at the strikethrough price on
02-27-2026

$322.77 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Pentofrost Coolant - 1 Gallon (3.78 Liters)

ES#4845732 - 8114308 - Pentofrost Coolant - 1 Gallon (3.78 Liters) - Blue G11/G48 Coolant Pre-Mixed 50/50 - Pentosin - BMW Mercedes Benz MINI

Blue G11/G48 Coolant Pre-Mixed 50/50 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pentosin - Corporate Logo
ES#:
4845732
Mfg#:
8114308
In Stock
$20.99 USD
Free Shipping
on orders $49 and up

M52TU/M54 Heavy-Duty Expansion Tank With Mechanical Thermostat Conversion Kit & Silicone Radiator Hoses

ES#4876697 - 008363LA02EB1KT - M52TU/M54 Heavy-Duty Expansion Tank With Mechanical Thermostat Conversion Kit & Silicone Radiator Hoses - The ULTIMATE cooling upgrade for your BMW! Experience increased cooling system capability and durability. - Enthusiast Bundles - BMW

The ULTIMATE cooling upgrade for your BMW! Experience increased cooling system capability and durability. Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876697
Mfg#:
008363LA02EB1KT
Ships on Jul 21, 2026
Auto Notify
ON SALE! SAVE 24%
$1055.95

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

$799.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Wetter Coolant Additive - 12oz

ES#261427 - 80204 - Water Wetter Coolant Additive - 12oz - Reduces coolant temperatures by as much as 30*F - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Reduces coolant temperatures by as much as 30*F affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
261427
Mfg#:
80204
In Stock
$15.99 USD
Free Shipping
on orders $49 and up

ECS Cooling System Refresh Kit - Level 3 plus

ES#4905689 - 17119071519GKT3 - ECS Cooling System Refresh Kit - Level 3 plus - The ultimate cooling refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley, Stewart water pump and Aluminum Radiator - Assembled By ECS - BMW

The <font color='red'> ultimate</font> cooling refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley, Stewart water pump and Aluminum Radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For Manual Vehicles Only!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4905689
Mfg#:
17119071519GKT3
Ships in 5 Business Days
ON SALE!
$1439.99

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

$1401.78 USD
This product is lifetime replacement eligible Partial Replacement

Complete Cooling System Hose Kit

ES#2597226 - 11531436408KT - Complete Cooling System Hose Kit - A complete hose kit including coolant - Genuine BMW - BMW

A complete hose kit including coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2597226
Mfg#:
11531436408KT
Ships in 1 day
$548.99

This product was last offered at the strikethrough price on
06-03-2026

$540.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Complete Cooling System Hose Kit

ES#4315899 - 11531436408KT2 - Complete Cooling System Hose Kit - A complete hose kit including coolant and ECS Silicone radiator hoses! - Assembled By ECS - BMW

A complete hose kit including coolant and ECS Silicone radiator hoses! 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#:
4315899
Mfg#:
11531436408KT2
Ships on Sep 23, 2026
Auto Notify
ON SALE! SAVE 22%
$428.99

This product was last offered at the strikethrough price on
01-03-2026

$333.92 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Coolant/Antifreeze - 1 Liter

ES#2178666 - 82142209769 - Coolant/Antifreeze - 1 Liter - Smaller bottle than a usual jug - great to throw in the trunk! - Genuine BMW - BMW

Smaller bottle than a usual jug - great to throw in the trunk! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles Made Pre-2018

Brand:
Genuine BMW - Corporate Logo
ES#:
2178666
Mfg#:
82142209769
In Stock
$10.60

This product was last offered at the strikethrough price on
01-08-2026

$10.49 USD
Free Shipping
on orders $49 and up

BMW Coolant / Antifreeze - 1 Gallon (3.78L) - Blue G48

ES#4876763 - 82141467704 - BMW Coolant / Antifreeze - 1 Gallon (3.78L) - Blue G48 - 100% strength concentrate - dilute to a 50:50 ratio with distilled water - Zerex - 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 Up To 2018

Brand:
Zerex - Corporate Logo
ES#:
4876763
Mfg#:
82141467704
In Stock
$24.46

This product was last offered at the strikethrough price on
03-14-2026

$24.43 USD
Free Shipping
on orders $49 and up

Radiator Cleaner - 300mL

ES#3195914 - 2051 - Radiator Cleaner - 300mL - Used to clean out your cooling system and restore efficiency - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI

Used to clean out your cooling system and restore efficiency affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship

Brand:
Liqui-Moly - Corporate Logo
ES#:
3195914
Mfg#:
2051
In Stock
42% off MSRP

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

$17.95

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

$10.39 USD
Free Shipping
on orders $49 and up

ECS Cooling System Refresh Kit - Level 3

ES#2497298 - 17119071518KT - ECS Cooling System Refresh Kit - Level 3 - The ultimate kit to cover all the necessary components - featuring OEM contents - Genuine BMW - BMW

The <font color='red'> ultimate</font> kit to cover all the necessary components - featuring OEM contents affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only and production date up to 09/2002

Brand:
Genuine BMW - Corporate Logo
ES#:
2497298
Mfg#:
17119071518KT
Ships in 1 day
$2306.99 USD
This product is lifetime replacement eligible Partial Replacement

ECS Cooling System Refresh Kit - Level 3

ES#2497300 - 17119071518KT2 - ECS Cooling System Refresh Kit - Level 3 - The ultimate cooling refresh kit - with OEM components - Genuine BMW - BMW

The <font color='red'> ultimate</font> cooling refresh kit - with OEM components affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2497300
Mfg#:
17119071518KT2
Ships in 1 day
$2296.99 USD
This product is lifetime replacement eligible Partial Replacement

ECS Cooling System Refresh Kit - Level 3

ES#2497309 - 17119071519KT4 - ECS Cooling System Refresh Kit - Level 3 - The ultimate cooling refresh kit - with OEM components - Genuine BMW - BMW

The <font color='red'> ultimate</font> cooling refresh kit - with OEM components affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2497309
Mfg#:
17119071519KT4
Ships in 1 day
$2296.99 USD
This product is lifetime replacement eligible Partial Replacement

ECS Cooling System Refresh Kit - Level 2

ES#2063862 - ECSE461711-5 - ECS Cooling System Refresh Kit - Level 2 - A more advanced kit that includes belt service components and a ECS aluminum pulley - featuring aftermarket contents - Assembled By ECS - BMW

A more advanced kit that includes belt service components and a ECS aluminum pulley - featuring aftermarket contents affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
2063862
Mfg#:
ECSE461711-5
Ships in 5 Business Days
ON SALE!
$474.99

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

$453.07 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

More About Cooling System Service & Maintenance Parts

From individual cooling system parts to full cooling system refresh kits and cooling system upgrades, we have it all right here so you can keep your engine temperature in check or improve cooling system performance to meet the demands you place on your car.

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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