Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

BMW E39 525i M54 2.5L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle BMW E39 525i M54 2.5L
Your Vehicle BMW E39 525i M54 2.5L
Change Clear

BMW E39 525i M54 2.5L Cooling System Service & Maintenance Parts

Sort By
Filter By
Return to Top

ECS Cooling Maintenance Kit - Level 2

ES#2063877 - ECSE391153 - ECS Cooling Maintenance Kit - Level 2 - Stop your cooling problems before they start - includes an ECS Aluminum water pump pulley and featuring a GEBA water pump with a metal impeller - Assembled By ECS - BMW

Stop your cooling problems before they start - includes an ECS Aluminum water pump pulley and featuring a GEBA water pump with a metal impeller 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
2063877
Mfg#:
ECSE391153
In Stock
ON SALE!
$492.99

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

$474.60 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

ECS Cooling Maintenance Kit - Level 2

ES#2063875 - ECSE391155 - ECS Cooling Maintenance Kit - Level 2 - Stop your cooling problems before they start - includes an ECS Aluminum water pump pulley and featuring a GEBA water pump with a metal impeller - Assembled By ECS - BMW

Stop your cooling problems before they start - includes an ECS Aluminum water pump pulley and featuring a GEBA water pump with a metal impeller 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
2063875
Mfg#:
ECSE391155
In Stock
ON SALE!
$490.99

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

$471.92 USD
Free Shipping
This product is lifetime replacement eligible Partial 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

Brand:
Royal Purple - Corporate Logo
ES#:
2793046
Mfg#:
01600
Ships in 6 Business Days
$12.99 USD
Free Shipping
on orders $49 and up

ECS Cooling Maintenance Kit - Level 2

ES#1596864 - ECSE391153 - ECS Cooling Maintenance Kit - Level 2 - 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 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
1596864
Mfg#:
ECSE391153
In Stock
ON SALE!
$436.99

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

$418.55 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

ECS Cooling Maintenance Kit - Level 2

ES#1596861 - ecse391153 - ECS Cooling Maintenance Kit - Level 2 - 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 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
1596861
Mfg#:
ECSE391153
In Stock
ON SALE!
$434.99

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

$415.87 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Coolant/Antifreeze - 1 Gallon

ES#2828693 - 82141467704 - Coolant/Antifreeze - 1 Gallon - 100% strength - dilute to a 50:50 ratio with distilled water. German-bottled; give your BMW / MINI the proper fluids with ROWE. - ROWE - BMW MINI

100% strength - dilute to a 50:50 ratio with distilled water. German-bottled; give your BMW / MINI the proper fluids with ROWE.

Brand:
ROWE - Corporate Logo
ES#:
2828693
Mfg#:
82141467704
Ships in 1-2 days
$39.99

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

$38.99 USD
Free Shipping
on orders $49 and up

Coolant Tester

ES#2696212 - V99-1005 - Coolant Tester - Make sure your coolant is safe from freezing! - Vaico - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Make sure your coolant is safe from freezing! We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2696212
Mfg#:
V99-1005
Back Ordered
$51.99

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

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2592641 - 11537509227KT - Thermostat Replacement Kit - Includes gaskets and hardware and coolant - Genuine BMW - BMW

Includes gaskets and hardware and coolant

Brand:
Genuine BMW - Corporate Logo
ES#:
2592641
Mfg#:
11537509227KT
Ships on Jan 21, 2027
$219.99

This product was last offered at the strikethrough price on
06-03-2026

$217.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Coolant / Antifreeze - 1 Gallon

ES#4674748 - 82141467704 - Coolant / Antifreeze - 1 Gallon - Coolant G11 (Concentrate) - Febi - BMW

Coolant G11 (Concentrate) 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4674748
Mfg#:
82141467704
Ships on Oct 26, 2026
$70.99 USD
Free Shipping
on orders $49 and up

Anti-Freeze Tester

ES#3536250 - EZRSP102 - Anti-Freeze Tester - Don't let your engine freeze, be sure with this easy to use tester - E-Z Red Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Don't let your engine freeze, be sure with this easy to use tester

Brand:
E-Z Red Tools - Corporate Logo
ES#:
3536250
Mfg#:
EZRSP102
Ships in 2 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2592647 - 11537509227KT2 - Thermostat Replacement Kit - Includes gaskets and hardware and coolant - Assembled By ECS - BMW

Includes gaskets and hardware and coolant 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2592647
Mfg#:
11537509227KT2
Ships on Jan 21, 2027
$101.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Flex Driver For Screw Type Hose Clamps

ES#5027 - ABA TOOL 24 - Flex Driver For Screw Type Hose Clamps - Manufactured by ABA, 24" long - ABA - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Manufactured by ABA, 24" long

Brand:
ABA - Corporate Logo
ES#:
5027
Mfg#:
ABA TOOL 24
In Stock at Vendor
$91.99

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

$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Anti-Freeze Tester

ES#4337913 - CTAA195 - Anti-Freeze Tester - Tests all ethylene glycol solutions with radiator hot or cold - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Tests all ethylene glycol solutions with radiator hot or cold

Brand:
CTA Tools - Corporate Logo
ES#:
4337913
Mfg#:
CTAA195
Ships on Aug 14, 2026
$9.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 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
In Stock
ON SALE!
$1030.99

This product was last offered at the strikethrough price on
06-15-2026

$1022.04 USD
This product is lifetime replacement eligible Partial Replacement

More About Cooling System Service & Maintenance Parts

From individual cooling system parts to full cooling system refresh kits and cooling system upgrades, we have it all right here so you can keep your engine temperature in check or improve cooling system performance to meet the demands you place on your car.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings