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BMW E39 525i M54 2.5L

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BMW E39 525i M54 2.5L Engine Cooling Parts

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Water Pump Pulley

ES#24360 - 11511436590 - Water Pump Pulley - A common failing piece due to the plastic design. - Genuine BMW - BMW

A common failing piece due to the plastic design.

Brand:
Genuine BMW - Corporate Logo
ES#:
24360
Mfg#:
11511436590
In Stock
ON SALE!
$73.99

This product was last offered at the strikethrough price on
08-17-2026

$68.99 USD
Free Shipping
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

Brand:
Genuine BMW - Corporate Logo
ES#:
24814
Mfg#:
11531438633
Ships in 1-2 days
$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 Bleeder Screw - Priced Each

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

Comes with O-Ring

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

Heater Hard Line replacement Kit

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

10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4158351
Mfg#:
11531705210KT2
Ships on Nov 12, 2026
Auto Notify
ON SALE!
$201.99

This product was last offered at the strikethrough price on
04-28-2026

$192.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#24815 - 11531438634 - Coolant Hose - Runs from the auxiliary water pump to the metal coolant pipe - Genuine BMW - BMW

Runs from the auxiliary water pump to the metal coolant pipe

Brand:
Genuine BMW - Corporate Logo
ES#:
24815
Mfg#:
11531438634
Ships in 1-2 days
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#3672879 - 17117639022 - Expansion Tank Cap - Replace worn or missing pieces. - Meyle - BMW

Replace worn or missing pieces. 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3672879
Mfg#:
17117639022
In Stock
ON SALE! SAVE 40%
$14.99

This product was last offered at the strikethrough price on
05-14-2026

$8.99 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.

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

Auxiliary Fan Switch

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

Comes with related o-ring We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813875
Mfg#:
13621433077
In Stock
ON SALE! SAVE 10%
$13.95

This product was last offered at the strikethrough price on
09-03-2026

$12.56 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 We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873780
Mfg#:
11527505302
Ships on Dec 3, 2026
$187.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Compression Shroud

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

For wagon models

Brand:
Genuine BMW - Corporate Logo
ES#:
180317
Mfg#:
64548380782
Ships in 7 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
09-04-2026

$183.99 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
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

O-Ring - Priced Each

ES#34373 - 13621743299 - O-Ring - Priced Each - Replacement o-ring for the temperature sensor - Genuine BMW - BMW
ECS Tuning recommends this product.

Replacement o-ring for the temperature sensor

Brand:
Genuine BMW - Corporate Logo
ES#:
34373
Mfg#:
13621743299
In Stock
$3.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#205244 - 17111742231 - Expansion Tank Cap - Replace when performing cooling service. - Rein - BMW
ECS Tuning recommends this product.

Replace when performing cooling service. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
205244
Mfg#:
17111742231
Ships in 1 Business Day
ON SALE!
$17.99

This product was last offered at the strikethrough price on
08-31-2026

$17.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E39 Heater Hose - Water Hose to Heater Core

ES#178089 - 64218378369 - E39 Heater Hose - Water Hose to Heater Core - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
178089
Mfg#:
64218378369
Ships in 1-2 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.

$56.99

This product was last offered at the strikethrough price on
09-04-2026

$55.99 USD
Free Shipping
on orders $49 and up
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

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

E39 Oil Cooling Pipe Outlet

ES#38778 - 17221714512 - E39 Oil Cooling Pipe Outlet - Genuine BMW - BMW

5Hp19

Brand:
Genuine BMW - Corporate Logo
ES#:
38778
Mfg#:
17221714512
Ships in 4 Business Days
$156.99 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.

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

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