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 Performance Parts & Upgrades

Sort By
Filter By
Return to Top

High Performance Water Pump - With O-Ring

ES#2581452 - 888010330 - High Performance Water Pump - With O-Ring - Stainless steel impeller and 20% increase in flow! - Stewart Components - BMW

Stainless steel impeller and 20% increase in flow! When it comes to cooling, Stewart is the final word in high performance pumps. The ultimate in BMW cooling with a limited lifetime warranty!

Brand:
Stewart Components - Corporate Logo
ES#:
2581452
Mfg#:
888010330
In Stock
$219.99

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

$204.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Front Sway Bar End Links - 215-275mm

ES#4733391 - 053153LA01 - Adjustable Front Sway Bar End Links - 215-275mm - An essential performance upgrade for lowered suspensions or a durable heavy-duty OE replacement. - ECS - BMW MINI

An essential performance upgrade for lowered suspensions or a durable heavy-duty OE replacement. 10X Entries For Our Spin To Win Sweepstakes!
Please measure before purchasing. For lowered or custom applications. Will not fit factory suspension. 215-275 length adjustment range.

Brand:
ECS - Corporate Logo
ES#:
4733391
Mfg#:
053153LA01
In Stock
ON SALE! SAVE 20%
$183.99

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

$147.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High-Performance Ignition Coil - Set Of 6

ES#4872326 - b50056KT - High-Performance Ignition Coil - Set Of 6 - Modified core windings offer increased spark for a faster and more efficient burn. - Bavarian Autosport - BMW

Modified core windings offer increased spark for a faster and more efficient burn. For vehicles with production date from 09/2002

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4872326
Mfg#:
B50056KT
In Stock
ON SALE! SAVE 20%
$179.99

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

$143.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#3677674 - 12131703228pKT - Performance Ignition Service Kit - Everything you need to service your ignition system including Bosch Platinum+4 spark plugs and BAV Auto ignition coils - Assembled By ECS - BMW
ECS Tuning recommends this product.

Everything you need to service your ignition system including Bosch Platinum+4 spark plugs and BAV Auto ignition coils

Brand:
Assembled By ECS - Corporate Logo
ES#:
3677674
Mfg#:
12131703228PKT
In Stock
ON SALE! SAVE 20%
$243.99

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

$195.02 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Performance Adjustable Coilover System - E39

ES#4355241 - 000188LA01 - ECS Performance Adjustable Coilover System - E39 - Coilover System that provides a sport-tuned, height, damping, and body adjustable suspension - ECS - BMW
ECS Tuning recommends this product.

Coilover System that provides a sport-tuned, height, damping, and body adjustable suspension For Sedan models only.

Brand:
ECS - Corporate Logo
ES#:
4355241
Mfg#:
000188LA01
In Stock
ON SALE! SAVE 41%
$1231.99

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

$729.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Flywheel & Sachs Clutch Kit

ES#2770848 - 000282ECS01KT - Performance Flywheel & Sachs Clutch Kit - Improve throttle response, acceleration and clutch feel - the perfect setup for daily-driven vehicles with up to 400lbs-ft of torque - ECS - BMW

Improve throttle response, acceleration and clutch feel - the perfect setup for daily-driven vehicles with up to 400lbs-ft of torque Eliminate factory dual-mass flywheel and self-adjusting-clutch without the chatter caused by some perform

Brand:
ECS - Corporate Logo
ES#:
2770848
Mfg#:
000282ECS01KT
In Stock
ON SALE!
$1069.99

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

$1016.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Performance Clutch and Flywheel Kit

ES#4818391 - 048498LA01KT1 - ECS Performance Clutch and Flywheel Kit - Lightweight flywheel and upgraded clutch kit for improved throttle response, acceleration and clutch feel - the perfect setup for daily-driven vehicles with up to 400 Ft/lbs of torque. - ECS - BMW

Lightweight flywheel and upgraded clutch kit for improved throttle response, acceleration and clutch feel - the perfect setup for daily-driven vehicles with up to 400 Ft/lbs of torque.

Brand:
ECS - Corporate Logo
ES#:
4818391
Mfg#:
048498LA01KT1
In Stock
ON SALE! SAVE 10%
$1121.99

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

$1009.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Lightweight Flywheel

ES#2730708 - 000282ECS01 - Performance Lightweight Flywheel - Improve throttle response and acceleration. For use with any E34 M5 clutch kit. - ECS - BMW

Improve throttle response and acceleration. For use with any E34 M5 clutch kit.

Brand:
ECS - Corporate Logo
ES#:
2730708
Mfg#:
000282ECS01
In Stock
ON SALE! SAVE 25%
$730.99

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

$548.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Polyurethane Transmission Mount Set - Street

ES#2859359 - 002705ECS02A - Polyurethane Transmission Mount Set - Street - 70A durometer rating - slightly stiffer than stock for improved shifting quality and driveline performance. Constructed of 304 stainless steel with bonded and constrained polyurethane. - ECS - BMW

70A durometer rating - slightly stiffer than stock for improved shifting quality and driveline performance. Constructed of 304 stainless steel with bonded and constrained polyurethane.

Brand:
ECS - Corporate Logo
ES#:
2859359
Mfg#:
002705ECS02A
In Stock
ON SALE! SAVE 10%
$117.99

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

$106.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BR Series Coilover Suspension Kit

ES#3509401 - I-06-BR - BR Series Coilover Suspension Kit - Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! - BC Racing - BMW

Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! For Sedan models without Air Suspension

Brand:
BC Racing - Corporate Logo
ES#:
3509401
Mfg#:
I-06-BR
Back Ordered
Auto Notify
$1195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

K+DCAN Cable - FTDI FT232RL Style OBD2 Cable

ES#4508968 - 01KDCABLE - K+DCAN Cable - FTDI FT232RL Style OBD2 Cable - Connect to 1998-2018 BMW OBD2 systems with a laptop. - Bremmen Parts - BMW

Connect to 1998-2018 BMW OBD2 systems with a laptop.

Brand:
Bremmen Parts - Corporate Logo
ES#:
4508968
Mfg#:
01KDCABLE
In Stock
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Polyurethane Shifter Arm Bushing

ES#3173697 - 021012TMS02 - Turner Polyurethane Shifter Arm Bushing - The last shifter bushing you'll ever want and need! - Turner Motorsport - BMW
ECS Tuning recommends this product.

The last shifter bushing you'll ever want and need!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3173697
Mfg#:
021012TMS02
In Stock
ON SALE! SAVE 24%
$78.99

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

$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Performance M Series Ignition Coil - Priced Each

ES#4708456 - 12137599219T - Turner Performance M Series Ignition Coil - Priced Each - Performance ignition coils modified specifically for your M Series engine to increase efficiency and output! - Turner Motorsport - BMW

Performance ignition coils modified specifically for your M Series engine to increase efficiency and output! For vehicles with a production up to 09/2002 - vehicles produced after 09/2002+ will use N series style coils (12138616153T)

Brand:
Turner Motorsport - Corporate Logo
ES#:
4708456
Mfg#:
12137599219T
In Stock
ON SALE! SAVE 10%
$37.99

This product was last offered at the strikethrough price on
06-24-2026

$34.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Aluminum Water Pump Pulley - Black

ES#2855687 - 001977ECS03A - ECS Aluminum Water Pump Pulley - Black - Finally, a durable, attractive water pump pulley that won't break! - ECS - BMW

Finally, a durable, attractive water pump pulley that won't break!

Brand:
ECS - Corporate Logo
ES#:
2855687
Mfg#:
001977ECS03A
In Stock
ON SALE!
$104.99

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

$99.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

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