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

Shark Injector Performance Software

ES#3138971 - N4MS4352 - Shark Injector Performance Software - Performance software designed to unlock your BMW's potential. Removes top speed limiter, raises rev limit to 7,000rpm, improves throttle response, and improves power output: +5HP +5LB/FT gains! - Shark Injector - BMW

Performance software designed to unlock your BMW's potential. Removes top speed limiter, raises rev limit to 7,000rpm, improves throttle response, and improves power output: +5HP +5LB/FT gains!

Brand:
Shark Injector - Corporate Logo
ES#:
3138971
Mfg#:
N4MS4352
In Stock
ON SALE! SAVE 10%
$349.00

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

$314.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit - With Service Tools

ES#4352360 - 12131703228IGKT7 - Ignition Service Kit - With Service Tools - Everything you need to service your ignition system - Assembled By ECS - BMW

Everything you need to service your ignition system 10X Entries Into Our F80 M3 Sweepstakes
Kit includes all necessary service tools

Brand:
Assembled By ECS - Corporate Logo
ES#:
4352360
Mfg#:
12131703228IGKT7
In Stock
$419.99

This product was last offered at the strikethrough price on
10-08-2026

$306.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Momo Prototipo Steering Wheel - 370mm - Black/Black

ES#4608562 - MO-PRO37BK2B - Momo Prototipo Steering Wheel - 370mm - Black/Black - The unique, timeless design featuring black leather and white stitching is the perfect choice for both long driving trips or a performance GT car. - MOMO - BMW

The unique, timeless design featuring black leather and white stitching is the perfect choice for both long driving trips or a performance GT car.

Brand:
MOMO - Corporate Logo
ES#:
4608562
Mfg#:
MO-PRO37BK2B
Special Order: No Guaranteed ETA
$299.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear V5 Slotted Brake Rotors - Set (298x20)

ES#4669023 - 34216767060-S - Rear V5 Slotted Brake Rotors - Set (298x20) - Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. - ECS - BMW

Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4669023
Mfg#:
34216767060-S
Ships in 5 Business Days
ON SALE! SAVE 10%
$327.99

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

$295.18 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E39 M5 Style Front Bumper - Includes Fog Lights

ES#5435488 - E39M5FT-GG - E39 M5 Style Front Bumper - Includes Fog Lights - This comprehensive kit includes everything needed for a full conversion, including integrated fog lights and a high-flow lower mesh grille. - Suvneer - BMW

This comprehensive kit includes everything needed for a full conversion, including integrated fog lights and a high-flow lower mesh grille. Compatible with PDC sensors with minor modification

Brand:
Suvneer - Corporate Logo
ES#:
5435488
Mfg#:
E39M5FT-GG
Back Ordered
$295.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#5435337 - MMWP-M50-92 - Water Pump - Engineered as a superior alternative to the factory water pumps found in many 19922006 BMW models. - Mishimoto - BMW

Engineered as a superior alternative to the factory water pumps found in many 1992–2006 BMW models.

Brand:
Mishimoto - Corporate Logo
ES#:
5435337
Mfg#:
MMWP-M50-92
In Stock
$72.99 USD
Free Shipping
on orders $49 and up

E39 Performance Polyurethane Front Sway Bar Bushing Set

ES#2651210 - PFF5-503-25x2 - E39 Performance Polyurethane Front Sway Bar Bushing Set - Stiffer bushings allow sway bars to work at their fullest potential. For 25mm sway bar. - Powerflex - BMW

Stiffer bushings allow sway bars to work at their fullest potential. For 25mm sway bar.

Brand:
Powerflex - Corporate Logo
ES#:
2651210
Mfg#:
PFF5-503-25X2
Ships in 1 Business Day
$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supertech BMW S52 Steel Spring Retainer - Set Of 24

ES#4675741 - RET-HBK-ST-24 - Supertech BMW S52 Steel Spring Retainer - Set Of 24 - Rev higher and drive faster with confidence. - Supertech - BMW

Rev higher and drive faster with confidence.

Brand:
Supertech - Corporate Logo
ES#:
4675741
Mfg#:
RET-HBK-ST-24
In Stock at Vendor
20% off MSRP

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

$352.99

This product was last offered at the strikethrough price on
10-10-2026

$281.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit - With Service Tools

ES#4352359 - 12131712219KT6 - Ignition Service Kit - With Service Tools - Everything you need to service your ignition system including Bosch ignition coils and Bosch Platinum+4 spark plugs - Assembled By ECS - BMW

Everything you need to service your ignition system including Bosch ignition coils and Bosch Platinum+4 spark plugs 10X Entries Into Our F80 M3 Sweepstakes
Kit includes all necessary service tools

Brand:
Assembled By ECS - Corporate Logo
ES#:
4352359
Mfg#:
12131712219KT6
In Stock
ON SALE!
$273.30 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Tow Hook Cover - Front

ES#74150 - 51112693539 - Tow Hook Cover - Front - Comes in primer, ready for paint - Genuine BMW - BMW

Comes in primer, ready for paint

Brand:
Genuine BMW - Corporate Logo
ES#:
74150
Mfg#:
51112693539
Ships in 1-2 days
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Race Polyurethane Rear Sway Bar Bushing Set - Black Series

ES#2650341 - PFR5-504-15BX2 - Race Polyurethane Rear Sway Bar Bushing Set - Black Series - Stiffer bushings allow sway bars to work at their fullest potential. For 15mm sway bar. - Powerflex Black Series - BMW

Stiffer bushings allow sway bars to work at their fullest potential. For 15mm sway bar.

Brand:
Powerflex Black Series - Corporate Logo
ES#:
2650341
Mfg#:
PFR5-504-15BX2
Ships in 1 Business Day
$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMC Performance Air Filter

ES#3195193 - FB132/01 - BMC Performance Air Filter - Lifetime high-flow air filter that's a direct replacement - BMC - BMW

Lifetime high-flow air filter that's a direct replacement

Brand:
BMC - Corporate Logo
ES#:
3195193
Mfg#:
FB132/01
Back Ordered
$84.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Single Wall Straight Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Stepped Right - Brushed

ES#4146839 - 026732TMS01-02 - Turner Motorsport Single Wall Straight Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Stepped Right - Brushed - Right - Brushed Straight Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Turner Motorsport - BMW MINI

Right - Brushed Straight Cut Exhaust Tip - 2.5 Inlet - 3.0 OD 10X Entries Into Our F80 M3 Sweepstakes
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146839
Mfg#:
026732TMS01-02
Ships on Oct 29, 2026
ON SALE! SAVE 20%
$104.99

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

$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear V5 Drilled & Slotted Brake Rotors - Set (298x20)

ES#4669022 - 34216767060-XS - Rear V5 Drilled & Slotted Brake Rotors - Set (298x20) - Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. - ECS - BMW

Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4669022
Mfg#:
34216767060-XS
Ships in 5 Business Days
ON SALE!
$257.99

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

$245.08 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Z26 Street Warrior Brake Kit - Rear

ES#3477724 - K3126-26 - Z26 Street Warrior Brake Kit - Rear - Includes performance drilled and slotted rotors and Power Stop's Extreme Carbon-Fiber Ceramic pads. - Power Stop - BMW

Includes performance drilled and slotted rotors and Power Stop's Extreme Carbon-Fiber Ceramic pads. For touring models only

Brand:
Power Stop - Corporate Logo
ES#:
3477724
Mfg#:
K3126-26
Ships in 1 Business Day
$241.99 USD
Free Shipping
on orders $49 and up

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 Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings