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BMW E46 323Ci M52 2.5L Cooling System Refresh Kits

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ES#4830466 - 008363LA02DB - M52TU/M54 Heavy Duty Expansion Tank with Mechanical Thermostat Conversion Kit - Doorbusters - BMW

Our Doorbuster deals are in limited supply at these prices. Get yours while they're in stock! Can't find the perfect bundle? Call or chat with us to build a custom one. 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Doorbusters - Corporate Logo
ES#:
4830466
Mfg#:
008363LA02DB
In Stock
ON SALE! SAVE 26%
$805.98

This product was last offered at the strikethrough price on
11-07-2026

$599.00 USD
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! 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4690219
Mfg#:
008363LA02
In Stock
ON SALE! SAVE 50%
$499.99

This product was last offered at the strikethrough price on
06-13-2026

$248.26 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
263518
Mfg#:
ECSE461711-1
In Stock
ON SALE! SAVE 10%
$339.99

This product was last offered at the strikethrough price on
11-07-2026

$305.71 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
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 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
For Manual Vehicles Only!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4905689
Mfg#:
17119071519GKT3
Ships in 4 Business Days
ON SALE!
$1436.99

This product was last offered at the strikethrough price on
11-07-2026

$1358.02 USD
This product is lifetime replacement eligible Partial Replacement
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 For vehicles with manual transmission only

Brand:
Genuine BMW - Corporate Logo
ES#:
2497298
Mfg#:
17119071518KT
Ships in 1-2 days
$2327.99 USD
This product is lifetime replacement eligible Partial Replacement
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 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2063862
Mfg#:
ECSE461711-5
Ships in 2 Business Days
ON SALE! SAVE 11%
$489.99

This product was last offered at the strikethrough price on
11-07-2026

$434.38 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2228847 - 17119071519KT - ECS Cooling System Refresh Kit - Level 3 - The  ultimate cooling refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley and a HEPU 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 HEPU water pump 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2228847
Mfg#:
17119071519KT
Ships in 2 Business Days
ON SALE! SAVE 16%
$971.99

This product was last offered at the strikethrough price on
08-15-2026

$812.09 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#3706700 - 17119071519gKT2 - 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 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
For Automatic Vehicles Only!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3706700
Mfg#:
17119071519GKT2
Ships in 2 Business Days
ON SALE!
$1508.99

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

$1421.53 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2063865 - ECSE461711-1 - ECS Cooling System Refresh Kit - Level 1 - Contains the components that commonly fail in your cooling system - featuring aftermarket contents and ECS aluminum pulley - Assembled By ECS - BMW

Contains the components that commonly fail in your cooling system - featuring aftermarket contents and ECS aluminum pulley 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2063865
Mfg#:
ECSE461711-1
In Stock
ON SALE! SAVE 10%
$444.99

This product was last offered at the strikethrough price on
11-07-2026

$400.20 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
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 1-2 days
$1105.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
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 1-2 days
$1095.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
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 ultimate cooling refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley and a Stewart water pump 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Manual transmission vehicles produced up 10/1998 -

Brand:
Assembled By ECS - Corporate Logo
ES#:
3478430
Mfg#:
17119071519GKT
Ships in 2 Business Days
ON SALE!
$1091.99

This product was last offered at the strikethrough price on
10-01-2026

$1020.88 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4376313 - 17119071519RKT - ECS Cooling System Refresh Kit - Level 3 - Without Belts - Assembled By ECS - BMW

10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4376313
Mfg#:
17119071519RKT
In Stock
ON SALE!
$1067.99

This product was last offered at the strikethrough price on
10-01-2026

$997.97 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#263513 - ECSE461711-1 - ECS Cooling System Refresh Kit - Level 1 - Contains the components that commonly fail in your cooling system - featuring OEM contents - Genuine BMW - BMW

Contains the components that commonly fail in your cooling system - featuring OEM contents

Brand:
Genuine BMW - Corporate Logo
ES#:
263513
Mfg#:
ECSE461711-1
Ships in 2 Business Days
$848.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4315901 - ECSE461711-3KT - ECS Performance Cooling System Refresh Kit - Level 1 - Featuring Stewart High Performance water pump, heavy duty ECS water pump pulley, ECS Silicone hoses, and racing thermostat! - Assembled By ECS - BMW

Featuring Stewart High Performance water pump, heavy duty ECS water pump pulley, ECS Silicone hoses, and racing thermostat! 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4315901
Mfg#:
ECSE461711-3KT
Ships in 3 Business Days
ON SALE!
$774.99

This product was last offered at the strikethrough price on
11-07-2026

$736.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

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