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BMW E83 X3 M54 2.5L

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BMW E83 X3 M54 2.5L Engine Cooling Parts

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Universal Oil Cooler - 10 Row

ES#2764105 - MM0C10 - Universal Oil Cooler - 10 Row - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764105
Mfg#:
MM0C10
In Stock
$126.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Performance water pump kit

ES#2842165 - 888010330KT - High Performance water pump kit - Featuring Stewart High Performance water pump, GatesRacing belt, and heavy duty ECS water pump pulley - Assembled By ECS - BMW

Featuring Stewart High Performance water pump, GatesRacing belt, and heavy duty ECS water pump pulley 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2842165
Mfg#:
888010330KT
Ships on Aug 24, 2026
Auto Notify
ON SALE!
$404.53

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

$377.95 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Radiator Drain Plug With Housing

ES#37710 - 17111437360 - Radiator Drain Plug With Housing - Located in the bottom of the radiator - Genuine BMW - BMW

Located in the bottom of the radiator For vehicles with automatic transmission only

Brand:
Genuine BMW - Corporate Logo
ES#:
37710
Mfg#:
17111437360
Ships in 4 Business Days
4% off MSRP

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

$25.99

This product was last offered at the strikethrough price on
08-02-2026

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Sealing Gasket

ES#37699 - 17111436245 - Lower Sealing Gasket - Used along the lower portion of the radiator - Genuine BMW - BMW

Used along the lower portion of the radiator

Brand:
Genuine BMW - Corporate Logo
ES#:
37699
Mfg#:
17111436245
Ships in 4 Business Days
3% off MSRP

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

$36.99

This product was last offered at the strikethrough price on
08-02-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Freeze Plug

ES#18320 - 11121733403 - Freeze Plug - 22.0MM - Genuine BMW - BMW

22.0MM

Brand:
Genuine BMW - Corporate Logo
ES#:
18320
Mfg#:
11121733403
In Stock
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch

ES#2896231 - 13621433077 - Auxiliary Fan Switch - Comes with related o-ring - Vemo - BMW MINI
ECS Tuning recommends this product.

Comes with related o-ring

Brand:
Vemo - Corporate Logo
ES#:
2896231
Mfg#:
13621433077
In Stock at Vendor
$45.99

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

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit - Level 1

ES#2588199 - 17117573781KT - Expansion Tank Replacement Kit - Level 1 - Includes a level sensor and cap - Assembled By ECS - BMW

Includes a level sensor and cap 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2588199
Mfg#:
17117573781KT
In Stock
ON SALE! SAVE 19%
$85.99

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

$69.26 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Heater Inlet Pipe

ES#4845403 - 11531705210 - Heater Inlet Pipe - This runs from the front left side of the engine under the intake manifold. - URO - BMW

<p>This runs from the front left side of the engine under the intake manifold.</p> 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4845403
Mfg#:
11531705210
Ships in 2 Business Days
$34.49 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank

ES#2814110 - 17137787039 - Coolant Expansion Tank - Include coolant level sensor and lower securing clamp - Hamburg Tech - BMW

Include coolant level sensor and lower securing clamp We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814110
Mfg#:
17137787039
Ships in 2 Business Days
$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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! We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2696212
Mfg#:
V99-1005
Back Ordered
$51.99

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

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E83 Expansion Tank Mounting Plate

ES#3504757 - 17113400017 - E83 Expansion Tank Mounting Plate - Secures the expansion tank to the radiator - Rein - BMW

Secures the expansion tank to the radiator 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with an automatic transmission

Brand:
Rein - Corporate Logo
ES#:
3504757
Mfg#:
17113400017
Ships in 4 Business Days
$166.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Support Bracket

ES#2091432 - 17117514402 - Radiator Support Bracket - Adjustable rubber bumper - MTC - BMW

Adjustable rubber bumper

Brand:
MTC - Corporate Logo
ES#:
2091432
Mfg#:
17117514402
In Stock
$8.99

This product was last offered at the strikethrough price on
03-17-2026

$5.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 1

ES#2836838 - ECSE461711-1KT - 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 For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2836838
Mfg#:
ECSE461711-1KT
In Stock
ON SALE! SAVE 10%
$352.99

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

$317.56 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Lower Radiator Mount - Priced Each

ES#37686 - 17111178412 - Lower Radiator Mount - Priced Each - Rubber lower mount for your radiator - Genuine BMW - BMW

Rubber lower mount for your radiator

Brand:
Genuine BMW - Corporate Logo
ES#:
37686
Mfg#:
17111178412
In Stock
$5.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spal Electric Fan Harness with Relay

ES#4147343 - FRH - Spal Electric Fan Harness with Relay - Electric Fan Relay - 40 amp, 12V, single pole wiring harness kit - Spal - Audi BMW MINI

Electric Fan Relay - 40 amp, 12V, single pole wiring harness kit

Brand:
Spal - Corporate Logo
ES#:
4147343
Mfg#:
FRH
Ships in 4 Business Days
12% off MSRP

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

$112.99

This product was last offered at the strikethrough price on
08-02-2026

$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E83 Expansion Tank Mounting Plate

ES#3569383 - 17113400017 - E83 Expansion Tank Mounting Plate - Secures the expansion tank to the radiator - URO - BMW

Secures the expansion tank to the radiator 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3569383
Mfg#:
17113400017
Ships in 2 Business Days
$68.99 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.

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

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