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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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CSF Universal Large Single-Pass Cooler

ES#5470103 - 8371 - CSF Universal Large Single-Pass Cooler - Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. - CSF - Audi BMW Volkswagen Mercedes Benz MINI

Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Universal fitment design - modifications may be necessary to run this cooler

Brand:
CSF - Corporate Logo
ES#:
5470103
Mfg#:
8371
Ships in 4 Business Days
$499.00 USD
Free Shipping

Expansion Tank Hose

ES#5425959 - 11531438633 - Expansion Tank Hose - Replacement for broken or weathered expansion tank hose. - URO - BMW

Replacement for broken or weathered expansion tank hose. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
URO - Corporate Logo
ES#:
5425959
Mfg#:
11531438633
Ships in 2 Business Days
$21.99 USD
Free Shipping
on orders $49 and up

Thermostat With Housing

ES#4726368 - 11537509227 - Thermostat With Housing - A common item to crack causing leaks - Vemo - BMW

A common item to crack causing leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
4726368
Mfg#:
11537509227
In Stock at Vendor
$175.00

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

$170.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E39 Upper Water Valve

ES#69831 - 41148190207 - E39 Upper Water Valve - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
69831
Mfg#:
41148190207
Ships in 5 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.

$29.99

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

$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E39 Lower Water Valve Bracket

ES#69843 - 41148200043 - E39 Lower Water Valve Bracket - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
69843
Mfg#:
41148200043
Ships in 9 Business Days
6% off MSRP

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

$17.99

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

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Conditioning Fan

Also known as "pusher fan" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
VDO - Corporate Logo
ES#:
4415102
Mfg#:
64546921395
Special Order: No Guaranteed ETA
$397.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Competition Thermostat Plate Kit

Replaces factory thermostat with a mechanical thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Zionsville Autosport - Corporate Logo
ES#:
4500477
Mfg#:
M54THERM
Ships on Jul 1, 2026
$209.99 USD
Free Shipping
on orders $49 and up

ECS Cooling Maintenance Kit - Level 3

ES#3246841 - ECSE391155p - ECS Cooling Maintenance Kit - Level 3 - The ultimate cooling refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley and a Stewart High Performance Water Pump - Assembled By ECS - BMW

The ultimate cooling refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley and a Stewart High Performance Water Pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
3246841
Mfg#:
ECSE391155P
Ships on Jul 17, 2026
Auto Notify
ON SALE!
$1026.99

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

$1017.95 USD
This product is lifetime replacement eligible Partial Replacement

BMW - Engine/Cooling

ES#4900639 - 11531437040 - BMW - Engine/Cooling - A common item to crack causing leaks - Meyle - BMW

A common item to crack causing leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat! For vehicles with production date from 09/1998

Brand:
Meyle - Corporate Logo
ES#:
4900639
Mfg#:
11531437040
Special Order: No Guaranteed ETA
$76.99

This product was last offered at the strikethrough price on
12-29-2025

$75.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW - Engine/Cooling

Includes retaining clips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4900640
Mfg#:
11531705224
Special Order: No Guaranteed ETA
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Temperature Sensor

ES#3514986 - 64118391392 - Air Temperature Sensor - URO - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3514986
Mfg#:
64118391392
Back Ordered
$7.99 USD
Free Shipping
on orders $49 and up

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.

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