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BMW E34 525i M20 2.5L

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BMW E34 525i M20 2.5L Engine Cooling Parts

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

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

Secondary Water Pump

ES#233439 - 64118390063 - Secondary Water Pump - Common cause of poor heater performance - Genuine BMW - BMW

Common cause of poor heater performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 03/1988

Brand:
Genuine BMW - Corporate Logo
ES#:
233439
Mfg#:
64118390063
Ships in 1-2 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.

$314.99

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

$302.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80°C

ES#4070380 - 11531713040 - Thermostat - 80C - Includes sealing o-ring - Wahler - BMW

Includes sealing o-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wahler - Corporate Logo
ES#:
4070380
Mfg#:
11531713040
In Stock at Vendor
$49.61 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SPAL Fan Relay Wiring Harness

ES#4787489 - CSS-SPAL-RWK - SPAL Fan Relay Wiring Harness - Easily wire an electric fan & relay! - Condor Speed Shop - BMW

Easily wire an electric fan & relay! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Condor Speed Shop - Corporate Logo
ES#:
4787489
Mfg#:
CSS-SPAL-RWK
Ships in 1 Business Day
$98.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
4147343
Mfg#:
FRH
Ships in 3 Business Days
11% off MSRP

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

$108.99

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

$96.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 16" Electric Fan - Black

ES#4147300 - 30101516 - Universal 16" Electric Fan - Black - 1469 CFM. High performance puller fan with straight blades. - Spal - Audi BMW MINI

1469 CFM. High performance puller fan with straight blades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
4147300
Mfg#:
30101516
Ships in 2 Business Days
11% off MSRP

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

$161.99

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

$143.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Switch Plug

ES#4743338 - e30radfansp - Radiator Fan Switch Plug - High-quality replacement for broken plastic fan switch plugs - Race German - BMW

High-quality replacement for broken plastic fan switch plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race German - Corporate Logo
ES#:
4743338
Mfg#:
E30RADFANSP
In Stock
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#4883855 - 11531287651 - Coolant Hose - From water pump to thermostat housing - Bremmen Parts - BMW

From water pump to thermostat housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4883855
Mfg#:
11531287651
Ships on Jun 30, 2026
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ON SALE! SAVE 19%
$15.99

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

$13.00 USD
Free Shipping
on orders $49 and up

Fan Blade

ES#2710913 - 11521723363 - Fan Blade - 11 Blade, 410mm diameter - Febi - BMW

11 Blade, 410mm diameter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2710913
Mfg#:
11521723363
In Stock
$48.33

This product was last offered at the strikethrough price on
04-20-2026

$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Purple Ice - 12oz

ES#2793046 - 01600 - Purple Ice - 12oz - High performance coolant conditioner - Royal Purple - Audi BMW Volkswagen Mercedes Benz MINI Porsche

High performance coolant conditioner affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Royal Purple - Corporate Logo
ES#:
2793046
Mfg#:
01600
In Stock
$12.99 USD
Free Shipping
on orders $49 and up

Thermostat O-Ring

ES#24568 - 11531265084 - Thermostat O-Ring - Seals thermostat to cylinder head - Genuine BMW - BMW

Seals thermostat to cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24568
Mfg#:
11531265084
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#24929 - 11531722692 - Thermostat Housing Gasket - Placed between the engine and thermostat housing - Genuine BMW - BMW

Placed between the engine and thermostat housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24929
Mfg#:
11531722692
In Stock
6% off MSRP

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

$12.22

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

$11.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Water Pump

ES#2683558 - 11519070758 - Remanufactured Water Pump - Save your engine from over heating problems - Genuine BMW - BMW

Save your engine from over heating problems affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2683558
Mfg#:
11519070758
Ships in 1-2 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.

$279.99

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

$261.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal 16" High performance Electric Fan - Black

ES#4147322 - 30102113 - Universal 16" High performance Electric Fan - Black - 2467 CFM. High performance puller fan with curved blades. - Spal - Audi BMW MINI

2467 CFM. High performance puller fan with curved blades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
4147322
Mfg#:
30102113
In Stock at Vendor
$257.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

Auxiliary Fan Assembly

ES#2167391 - 64541392913 - Auxiliary Fan Assembly - Quality aftermarket replacement. - Continental - BMW

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

Brand:
Continental - Corporate Logo
ES#:
2167391
Mfg#:
64541392913
Ships in 1-2 days
$258.99

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

$251.99 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.

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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