Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

BMW E39 525i M54 2.5L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle BMW E39 525i M54 2.5L
Your Vehicle BMW E39 525i M54 2.5L
Change Clear

BMW E39 525i M54 2.5L Engine Cooling Parts

Sort By
Filter By
Return to Top

Auxiliary Fan Switch

ES#2813875 - 13621433077 - Auxiliary Fan Switch - Comes with related o-ring - Hamburg Tech - BMW MINI

Comes with related o-ring Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813875
Mfg#:
13621433077
In Stock
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 14" Electric Fan - Black

ES#4147278 - 30100385 - Universal 14" Electric Fan - Black - 1038 CFM. High performance puller fan with curved blades. - Spal - Audi BMW MINI

1038 CFM. High performance puller fan with curved blades. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Spal - Corporate Logo
ES#:
4147278
Mfg#:
30100385
In Stock at Vendor
15% off MSRP

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

$130.99

This product was last offered at the strikethrough price on
10-27-2026

$111.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#3023857 - 17111436060 - Radiator - Replace your leaking radiator - Mahle-Behr - BMW

Replace your leaking radiator Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Mahle-Behr - Corporate Logo
ES#:
3023857
Mfg#:
17111436060
In Stock
$302.79

This product was last offered at the strikethrough price on
07-15-2026

$218.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2592641 - 11537509227KT - Thermostat Replacement Kit - Includes gaskets and hardware and coolant - Genuine BMW - BMW

Includes gaskets and hardware and coolant Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
2592641
Mfg#:
11537509227KT
Back Ordered
$219.99

This product was last offered at the strikethrough price on
09-09-2026

$218.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Coolant Bleeder Screw - Priced Each

ES#37833 - 17111712788 - Coolant Bleeder Screw - Priced Each - Comes with O-Ring - Genuine BMW - BMW MINI

Comes with O-Ring Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
37833
Mfg#:
17111712788
In Stock
$5.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Mount Support - Upper

ES#37845 - 17111712911 - Radiator Mount Support - Upper - Secures the upper radiator bracket to core support. - Genuine BMW - BMW

Secures the upper radiator bracket to core support. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
37845
Mfg#:
17111712911
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E39 Expansion Tank Hose

ES#24814 - 11531438633 - E39 Expansion Tank Hose - Runs from the expansion tank to auxiliary water pump - Genuine BMW - BMW

Runs from the expansion tank to auxiliary water pump Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
24814
Mfg#:
11531438633
Ships in 1 day
$113.99

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

$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Overflow Hose

ES#2582026 - 17111427156 - Coolant Overflow Hose - The hose that leads from the radiator to the expansion tank - Elaplast - BMW

The hose that leads from the radiator to the expansion tank Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Elaplast - Corporate Logo
ES#:
2582026
Mfg#:
17111427156
In Stock
$5.82 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Hard Line replacement Kit

ES#4158351 - 11531705210KT2 - Heater Hard Line replacement Kit - Assembled By ECS - BMW

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
4158351
Mfg#:
11531705210KT2
Ships on Nov 12, 2026
ON SALE!
$194.99

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

$189.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#2873780 - 11527505302 - Radiator Fan Clutch - Common source of engine overheating - Febi - BMW

Common source of engine overheating Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873780
Mfg#:
11527505302
Ships on Jan 26, 2027
$187.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#10947 - 11537509357 - Thermostat Housing Gasket - Needs to be replaced once removed - Elring - BMW

Needs to be replaced once removed 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
10947
Mfg#:
11537509357
In Stock
$7.99

This product was last offered at the strikethrough price on
07-23-2026

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Compression Shroud

ES#180317 - 64548380782 - Compression Shroud - Genuine BMW - BMW

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For wagon models

Brand:
Genuine BMW - Corporate Logo
ES#:
180317
Mfg#:
64548380782
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.

$187.99

This product was last offered at the strikethrough price on
10-27-2026

$183.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat With Housing

ES#3230754 - 11537509227 - Thermostat With Housing - A common item to crack causing leaks - Rein - BMW

A common item to crack causing leaks 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3230754
Mfg#:
11537509227
Ships in 1 Business Day
$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Drain Plug

ES#37807 - 17111712339 - Radiator Drain Plug - Usually damaged from heat cycles - Genuine BMW - BMW

Usually damaged from heat cycles Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
37807
Mfg#:
17111712339
Ships in 1 day
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose

ES#24813 - 11531438632 - Expansion Tank Hose - Runs from the expansion tank to the heater core - Genuine BMW - BMW

Runs from the expansion tank to the heater core Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
24813
Mfg#:
11531438632
Ships in 1 day
$55.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fillister Head Screw - Pack Of 3

ES#2597583 - 07129905536KT - Fillister Head Screw - Pack Of 3 - These screws are found in the mechanical fan assembly - Genuine BMW - BMW

These screws are found in the mechanical fan assembly Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
2597583
Mfg#:
07129905536KT
In Stock
$6.99 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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings