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

Brand:
URO Premium - Corporate Logo
ES#:
4017796
Mfg#:
17111712788PRM
In Stock
$5.99

This product was last offered at the strikethrough price on
01-07-2026

$5.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch

ES#4316517 - 13621433077 - Auxiliary Fan Switch - Comes with related o-ring - Bremmen Parts - BMW

Comes with related o-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4316517
Mfg#:
13621433077
In Stock
ON SALE! SAVE 22%
$20.99

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

$16.31 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2770163
Mfg#:
003402ECS06A-05
In Stock
ON SALE! SAVE 40%
$4.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat With Housing

ES#259571 - 11537509227 - Thermostat With Housing - A common item to crack causing leaks - Mahle-Behr - BMW

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

Brand:
Mahle-Behr - Corporate Logo
ES#:
259571
Mfg#:
11537509227
Ships in 2 Business Days
$103.81 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#2893822 - 11527505302 - Radiator Fan Clutch - Common source of engine overheating - Meyle - BMW
ECS Tuning recommends this product.

Common source of engine overheating 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#:
2893822
Mfg#:
11527505302
Ships on Aug 3, 2026
Auto Notify
$101.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Conditioning Fan

ES#180292 - 64546921395 - Air Conditioning Fan - Also known as "pusher fan" - Genuine BMW - BMW

Also known as "pusher fan" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
180292
Mfg#:
64546921395
Ships in 3 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.

$837.99

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

$809.99 USD
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 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#:
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

Coolant Temperature Sensor

ES#34347 - 13621703993 - Coolant Temperature Sensor - Monitors coolant temperature - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
34347
Mfg#:
13621703993
In Stock
8% off MSRP

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

$32.14

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

$29.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SuperCool Performance Coolant - Pre-Mixed - 1 Gallon

ES#4338527 - 81215 - SuperCool Performance Coolant - Pre-Mixed - 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
4338527
Mfg#:
81215
In Stock
$54.99 USD
Free Shipping
on orders $49 and up

Mishimoto Universal Curved Blade Electrical Fan - 16"

ES#4265264 - MMFAN-16C - Mishimoto Universal Curved Blade Electrical Fan - 16" - 1850 CFM. High performance fan with curved blades. - Mishimoto - Audi BMW Volkswagen Mercedes Benz MINI Porsche

1850 CFM. High performance fan with curved blades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
4265264
Mfg#:
MMFAN-16C
In Stock
$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump - Remanufactured

ES#2534328 - 11517527799 - Water Pump - Remanufactured - Features a metal impeller for reliability - URO - BMW

Features a metal impeller for reliability 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#:
2534328
Mfg#:
11517527799
In Stock
$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

OE Style Radiator

ES#3525082 - 2919 - OE Style Radiator - Keep your engine running cool with a new radiator - CSF - BMW

Keep your engine running cool with a new radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits Auto or Manual Models

Brand:
CSF - Corporate Logo
ES#:
3525082
Mfg#:
2919
In Stock
$94.99 USD
Free Shipping
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2593813
Mfg#:
001170SCH01A
In Stock
ON SALE! SAVE 30%
$43.99

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

$30.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 1

ES#1596865 - ECSE391153 - ECS Cooling System Refresh Kit - Level 1 - Stop your cooling problems before they start - featuring a GEBA water pump with a metal impeller - Assembled By ECS - BMW

Stop your cooling problems before they start - featuring a GEBA water pump with a metal impeller affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
1596865
Mfg#:
ECSE391153
In Stock
ON SALE!
$352.99

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

$321.08 USD
Free Shipping
This product is lifetime replacement eligible Partial 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 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#:
2764104
Mfg#:
MM0CULTBK
Ships in 4 Business Days
$599.99 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
06-04-2026

$27.67 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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