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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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Universal 12" Electric Fan - Black

ES#2765250 - MMFAN12 - Universal 12" Electric Fan - Black - 934 CFM - 5.7 amps at 12.3 volts - Mishimoto - Audi BMW Volkswagen MINI

934 CFM - 5.7 amps at 12.3 volts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2765250
Mfg#:
MMFAN12
In Stock at Vendor
$93.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fan Blade

ES#4316510 - 11521712058 - Fan Blade - Replace your brittle fan before it sends a blade through your radiator - Bremmen Parts - BMW
ECS Tuning recommends this product.

Replace your brittle fan before it sends a blade through your radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4316510
Mfg#:
11521712058
Ships on Jul 27, 2026
Auto Notify
ON SALE! SAVE 22%
$23.99

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

$18.76 USD
Free Shipping
on orders $49 and up

E39 Expansion Tank Hose

ES#3219128 - 11531438632 - E39 Expansion Tank Hose - Runs from the expansion tank to the heater core - Original Equipment Supplier - BMW

Runs from the expansion tank to the heater core affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
3219128
Mfg#:
11531438632
Ships in 4 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#4316583 - 13621703993 - Coolant Temperature Sensor - Monitors coolant temperature - URO - BMW

Monitors coolant temperature 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#:
4316583
Mfg#:
13621703993
In Stock
$12.99 USD
Free Shipping
on orders $49 and up

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

Brand:
Rein - Corporate Logo
ES#:
3230754
Mfg#:
11537509227
Ships in 4 Business Days
$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

16" Fan shroud gasket

ES#4147340 - 30130074 - 16" Fan shroud gasket - Provides .25" stand off from radiator - Spal - Audi BMW MINI

Provides .25" stand off from radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
4147340
Mfg#:
30130074
In Stock at Vendor
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose

ES#5375163 - CHK0005 - Radiator Hose - This Rein radiator hose ensures reliable cooling performance and perfect fitment. - Rein - BMW

This Rein radiator hose ensures reliable cooling performance and perfect fitment. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5375163
Mfg#:
CHK0005
In Stock at Vendor
$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2187552 - 17111742231 - Expansion Tank Cap - Replace when performing cooling service. - URO - BMW

Replace when performing cooling service. 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#:
2187552
Mfg#:
17111742231
In Stock at Vendor
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Kit

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

Brand:
Hamburg Tech - Corporate Logo
ES#:
4685755
Mfg#:
17111436381KIT
Ships in 2 Business Days
$79.99 USD
Free Shipping
on orders $49 and up

Coolant Overflow Hose

ES#2803513 - 17111427156 - Coolant Overflow Hose - The hose that leads from the radiator to the expansion tank - Rein - BMW

The hose that leads from the radiator to the expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803513
Mfg#:
17111427156
Ships on Jun 23, 2026
$5.99 USD
Free Shipping
on orders $49 and up

Temperature Switch

ES#31507 - 12521741900 - Temperature Switch - For the engine control unit housing (35 deg. C) - Genuine BMW - BMW

For the engine control unit housing (35 deg. C) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
31507
Mfg#:
12521741900
Ships in 3 Business Days
7% off MSRP

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

$82.99

This product was last offered at the strikethrough price on
06-05-2026

$76.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Bracket - Upper

ES#37927 - 17111740315 - Radiator Bracket - Upper - Secures the radiator, recommended to be replaced when movement occurs - Genuine BMW - BMW

Secures the radiator, recommended to be replaced when movement occurs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
37927
Mfg#:
17111740315
Ships in 3 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#5435337 - MMWP-M50-92 - Water Pump - Engineered as a superior alternative to the factory water pumps found in many 19922006 BMW models. - Mishimoto - BMW

Engineered as a superior alternative to the factory water pumps found in many 1992–2006 BMW models. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
5435337
Mfg#:
MMWP-M50-92
Back Ordered
Auto Notify
$72.99 USD
Free Shipping
on orders $49 and up

Coolant Hose

ES#178061 - 64218367929 - Coolant Hose - From left heater core to heater valve - Genuine BMW - BMW

From left heater core to heater valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
178061
Mfg#:
64218367929
Ships in 3 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.

$35.99

This product was last offered at the strikethrough price on
06-05-2026

$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap Seal

ES#2091421 - 17111723580 - Expansion Tank Cap Seal - Keep your coolant in. - MTC - BMW

Keep your coolant in. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
2091421
Mfg#:
17111723580
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Bleeder Screw - Priced Each

ES#3499697 - 17111712788 - Coolant Bleeder Screw - Priced Each - Coolant bleeder screw that comes with O-Ring. - Rein - BMW MINI

Coolant bleeder screw that comes with O-Ring. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3499697
Mfg#:
17111712788
In Stock
$4.99 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.

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