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 E46 325i 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 E46 325i M54 2.5L
Your Vehicle BMW E46 325i M54 2.5L
Change Clear

BMW E46 325i M54 2.5L Performance Parts & Upgrades

Sort By
Filter By
Return to Top

Rear Shock Mount Kit - 80A

ES#4362423 - RSM-E6-10mm - Rear Shock Mount Kit - 80A - Improve your rear mounts! - Revshift - BMW

Improve your rear mounts! For shocks with a standard 10mm pin diameter

Brand:
Revshift - Corporate Logo
ES#:
4362423
Mfg#:
RSM-E6-10MM
In Stock
$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Control arm - lower arm

ES#3980871 - KTA255 - Control arm - lower arm - Easily replace your control arms! - Whiteline - BMW

Easily replace your control arms!

Brand:
Whiteline - Corporate Logo
ES#:
3980871
Mfg#:
KTA255
In Stock
$698.99

This product was last offered at the strikethrough price on
07-23-2026

$648.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 1 Spec Clutch And Flywheel

ES#3870773 - sb801KT - Stage 1 Spec Clutch And Flywheel - Race bolt kit and flange plate included! - Spec Clutches - BMW

Race bolt kit and flange plate included! For vehicles with production from 04/2004

Brand:
Spec Clutches - Corporate Logo
ES#:
3870773
Mfg#:
SB801KT
Ships in 4 Business Days
$1268.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pro Dry S Air Filter

ES#518824 - 31-10015 - Pro Dry S Air Filter - Higher flow, higher performance - oil-free, washable and reuseable! - AFE - BMW

Higher flow, higher performance - oil-free, washable and reuseable!

Brand:
AFE - Corporate Logo
ES#:
518824
Mfg#:
31-10015
In Stock
20% off MSRP

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

$121.99

This product was last offered at the strikethrough price on
08-25-2026

$97.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Seibon CSL style carbon fiber trunk

ES#3420816 - TL9904BMWE464D-C - Seibon CSL style carbon fiber trunk - CSL Styling in a lightweight package! - Seibon - BMW

CSL Styling in a lightweight package! For Sedan models

Brand:
Seibon - Corporate Logo
ES#:
3420816
Mfg#:
TL9904BMWE464D-C
Special Order: No Guaranteed ETA
$1260.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Shark Injector Performance Software

ES#3138996 - N745325 - 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: +7HP +7LB/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: +7HP +7LB/FT gains! For vehicles with a production date from 03/2003

Brand:
Shark Injector - Corporate Logo
ES#:
3138996
Mfg#:
N745325
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

Stage 3 Clutch and flywheel Kit - FX300

ES#3622207 - 03CM1-HDTZ-AK - Stage 3 Clutch and flywheel Kit - FX300 - Upgraded clutch plate, Sprung Hub Segmented Kevlar Disc and light weight aluminum flywheel - Clutch Masters - BMW

Upgraded clutch plate, Sprung Hub Segmented Kevlar Disc and light weight aluminum flywheel For vehicles with production date up to 03/2003

Brand:
Clutch Masters - Corporate Logo
ES#:
3622207
Mfg#:
03CM1-HDTZ-AK
Ships in 8 Business Days
$1253.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M12 Titanium Wheel Stud Kits

ES#4505191 - TISTUD20125 - M12 Titanium Wheel Stud Kits - Titanium stud conversion to reduce weight, add style and make wheel changing a breeze! - Vargas Turbo Technologies - BMW

Titanium stud conversion to reduce weight, add style and make wheel changing a breeze! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4505191
Mfg#:
TISTUD20125
In Stock
ON SALE!
Starting at $311.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Limited Slip Differential

Put all your power to the ground! *fits ratios 2.47 – 3.07*

Brand:
Wavetrac - Corporate Logo
ES#:
2917893
Mfg#:
30309176WKWVT
Ships in 3 Business Days
$1245.99 USD
Free Shipping
on orders $49 and up

BMW Steering Lock Out Kit - Standard

ES#3477007 - IRPDK46-1 - BMW Steering Lock Out Kit - Standard - Dramatically increase your steering angle, suspension adjustment capabilities, and the strength of your front lower control arms for the track. - IRP - Individual Racing Parts - BMW

Dramatically increase your steering angle, suspension adjustment capabilities, and the strength of your front lower control arms for the track.

Brand:
IRP - Individual Racing Parts - Corporate Logo
ES#:
3477007
Mfg#:
IRPDK46-1
Special Order: No Guaranteed ETA
$1209.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Front Fixed Camber Plates - Street/Track

ES#3028331 - TSU4680451 - Front Fixed Camber Plates - Street/Track - Simply and inexpensively increases negative camber to -2.5 for reduced understeer and reduced tire wear - Turner Motorsport - BMW

Simply and inexpensively increases negative camber to -2.5° for reduced understeer and reduced tire wear 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
3028331
Mfg#:
TSU4680451
In Stock
ON SALE! SAVE 31%
$215.99

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

$149.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Aluminum Solid Transmission Mounts

ES#3438526 - 017730TMS03 - Turner Motorsport Aluminum Solid Transmission Mounts - Designed for track use to eliminate deflection and drive line slop - Turner Motorsport - BMW

Designed for track use to eliminate deflection and drive line slop 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
3438526
Mfg#:
017730TMS03
In Stock
ON SALE! SAVE 27%
$113.99

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

$82.77 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Muffler

ES#3969461 - SBMB048 - Rear Muffler - A rear muffler that gives an aggressive yet civilized tone. - Scorpion - BMW

A rear muffler that gives an aggressive yet civilized tone.

Brand:
Scorpion - Corporate Logo
ES#:
3969461
Mfg#:
SBMB048
Ships in 3 Business Days
$569.99 USD
Free Shipping
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