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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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New Water Pump

ES#259196 - 11519070759 - New Water Pump - Includes gasket. New - not remanufactured! - Geba - BMW
ECS Tuning recommends this product.

Includes gasket. New - not remanufactured!

Brand:
Geba - Corporate Logo
ES#:
259196
Mfg#:
11519070759
In Stock
$77.99

This product was last offered at the strikethrough price on
07-08-2026

$75.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3/8"/9mm Band Hose Clamp - 12-20mm

ES#2770161 - 003402ECS06A-03 - 3/8"/9mm Band Hose Clamp - 12-20mm - German-style 304 stainless hose clamp - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

German-style 304 stainless hose clamp 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2770161
Mfg#:
003402ECS06A-03
In Stock
ON SALE! SAVE 25%
$4.99

This product was last offered at the strikethrough price on
06-13-2026

$3.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row

ES#2764082 - MM0CUL - Universal Oil Cooler - 19 Row - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764082
Mfg#:
MM0CUL
In Stock at Vendor
$536.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3/8"(9mm) Band Hose Clamp - 20-32mm

ES#2770163 - 003402ECS06A-05 - 3/8"(9mm) Band Hose Clamp - 20-32mm - German-style 304 stainless hose clamp - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

German-style 304 stainless hose clamp 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2770163
Mfg#:
003402ECS06A-05
In Stock
ON SALE! SAVE 25%
$4.99

This product was last offered at the strikethrough price on
06-13-2026

$3.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SuperCool Performance Coolant - Concentrate - 1 Gallon

ES#4338528 - 81205 - SuperCool Performance Coolant - Concentrate - 1 Gallon - Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter! - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter!

Brand:
Redline - Corporate Logo
ES#:
4338528
Mfg#:
81205
In Stock
$68.99 USD
Free Shipping
on orders $49 and up

Radiator Fan Clutch

ES#24497 - 11521723918 - Radiator Fan Clutch - Factory original unit. - Genuine BMW - BMW

Factory original unit.

Brand:
Genuine BMW - Corporate Logo
ES#:
24497
Mfg#:
11521723918
Ships in 4 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.

$328.99

This product was last offered at the strikethrough price on
07-20-2026

$317.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump And Fan Clutch Tool Kit

ES#2627584 - 001170SCH01AKT - Water Pump And Fan Clutch Tool Kit - Make the job easier with the right tools - Schwaben - BMW
ECS Tuning recommends this product.

Make the job easier with the right tools 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2627584
Mfg#:
001170SCH01AKT
In Stock
ON SALE! SAVE 25%
$65.99

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

$49.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row, with Thermostat - Black

ES#2764104 - MM0CULTBK - Universal Oil Cooler - 19 Row, with Thermostat - Black - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764104
Mfg#:
MM0CULTBK
Ships in 3 Business Days
$599.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brass Coolant Bleeder Screw - Priced Each

ES#4017796 - 17111712788PRM - Brass Coolant Bleeder Screw - Priced Each - Comes with O-Ring - URO Premium - BMW MINI

Comes with O-Ring 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO Premium - Corporate Logo
ES#:
4017796
Mfg#:
17111712788PRM
In Stock
$5.35 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW Water Pump Pulley Locking Tool

ES#2593813 - 001170SCH01A - BMW Water Pump Pulley Locking Tool - Make your water pump or fan clutch a simple install. Holds the head of pulley bolts for fast fan clutch and water pump pulley removal. - Schwaben - BMW
ECS Tuning recommends this product.

Make your water pump or fan clutch a simple install. Holds the head of pulley bolts for fast fan clutch and water pump pulley removal. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2593813
Mfg#:
001170SCH01A
In Stock
ON SALE! SAVE 25%
$43.99

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

$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Schwaben Radiator/ Intercooler / Oil Cooler Fin Comb

ES#2971417 - 015326SCH01A - Schwaben Radiator/ Intercooler / Oil Cooler Fin Comb - Straighten bent radiator or intercooler fins that block air flow - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Straighten bent radiator or intercooler fins that block air flow 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2971417
Mfg#:
015326SCH01A
In Stock
ON SALE! SAVE 29%
$20.99

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

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

OEM Thermostat Replacement Kit

ES#3675360 - 11531730470k1KT - OEM Thermostat Replacement Kit - Featuring Genuine BMW replacement parts - Genuine BMW - BMW

Featuring Genuine BMW replacement parts

Brand:
Genuine BMW - Corporate Logo
ES#:
3675360
Mfg#:
11531730470K1KT
In Stock
$224.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2777575 - 17117639022 - Expansion Tank Cap - Replace worn or missing pieces. - Genuine BMW - BMW

Replace worn or missing pieces.

Brand:
Genuine BMW - Corporate Logo
ES#:
2777575
Mfg#:
17117639022
In Stock
21% off MSRP

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

$34.96

This product was last offered at the strikethrough price on
07-20-2026

$27.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80C

ES#3023804 - 11531713040 - Thermostat - 80C - Includes sealing o-ring - Mahle-Behr - BMW

Includes sealing o-ring

Brand:
Mahle-Behr - Corporate Logo
ES#:
3023804
Mfg#:
11531713040
In Stock
$36.00

This product was last offered at the strikethrough price on
04-24-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row, with Thermostat

ES#2764437 - MM0CULT - Universal Oil Cooler - 19 Row, with Thermostat - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764437
Mfg#:
MM0CULT
In Stock at Vendor
$599.99 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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