Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle BMW E46 323i M52 2.5L

BMW E46 323i M52 2.5L Performance Parts & Upgrades

Sort By
Filter By
Return to Top
ES#4461001 - 012054LA08-DRY - ECS Exact-Fit High Flow Air Filter - Dry - High flow filter replacement to get your engine breathing better than new! - ECS - BMW

High flow filter replacement to get your engine breathing better than new! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4461001
Mfg#:
012054LA08-DRY
In Stock
$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3021478 - LHPE46994TM - Spec-D Dual Halo Projector Headlight Set - Chrome Housing/Clear Lens - E46 - Comes with 1 pair of chrome housing, clear lens dual halo projector headlights - Spec-D Tuning - BMW

Comes with 1 pair of chrome housing, clear lens dual halo projector headlights affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with a production date up to 09/2001 only
For vehicles with a production date up to 09/2001 only

Brand:
Spec-D Tuning - Corporate Logo
ES#:
3021478
Mfg#:
LHPE46994TM
Ships in 3 Business Days
$204.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4044087 - NEX20421 - Proton Plus Series Nitrous System - Choose your bottle size to add up to 150hp with this EFI nitrous kit. - Nitrous Express - BMW

Choose your bottle size to add up to 150hp with this EFI nitrous kit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nitrous Express - Corporate Logo
ES#:
4044087
Mfg#:
NEX20421
Ships in 2 Business Days
Starting at $527.99 USD
Free Shipping
on orders $49 and up

6-piston calipers, 14" rotors, and BP-20 pads provide tremendous stopping power for heavy weight and extreme duty vehicles. Choose between Red, Black, or Nickel calipers with drilled or slotted rotors. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wilwood - Corporate Logo
ES#:
4008613
Mfg#:
140-11974K
Back Ordered
Starting at $2595.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3021133 - TWH9905015BLACK - 15mm Wheel Spacers - Black (Pair) - Lightweight wheel spacers with a machined tab for easy removal - Turner Motorsport - BMW MINI

Lightweight wheel spacers with a machined tab for easy removal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3021133
Mfg#:
TWH9905015BLACK
In Stock
ON SALE! SAVE 25%
$170.99

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

$128.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4069947 - TCKE46SingleKit - TC Kline Racing Single Adjustable Street/Track Coilover Kit - Lifetime warranty on street-driven cars! Featuring proprietary single-adjustable Koni dampers, front camber plates, and 400#F/500#R springs - TC Kline Racing - BMW

Lifetime warranty on street-driven cars! Featuring proprietary single-adjustable Koni dampers, front camber plates, and 400#F/500#R springs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TC Kline Racing - Corporate Logo
ES#:
4069947
Mfg#:
TCKE46SINGLEKIT
Ships in 2 Business Days
$2554.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3622204 - 03CM1-HDKV-AK - Stage 2 Clutch and flywheel Kit - FX200 - Upgraded clutch plate, Kevlar disc and light weight aluminum flywheel - Clutch Masters - BMW

Upgraded clutch plate, Kevlar disc and light weight aluminum flywheel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with 5-speed transmission only

Brand:
Clutch Masters - Corporate Logo
ES#:
3622204
Mfg#:
03CM1-HDKV-AK
Ships in 7 Business Days
15% off MSRP

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

$1456.99

This product was last offered at the strikethrough price on
06-11-2026

$1237.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1843949 - 31351095694 - Heavy Duty Front Sway Bar End Link - Priced Each - Includes a 4 year warranty from Meyle - Meyle HD - BMW
ECS Tuning recommends this product.

Includes a 4 year warranty from Meyle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle HD - Corporate Logo
ES#:
1843949
Mfg#:
31351095694
In Stock
$38.04

This product was last offered at the strikethrough price on
05-09-2026

$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3218747 - PF5K-1003 - E46 Handling Pack - Redefine your E46 with performance bushings all around with Powerflex! - Powerflex - BMW

Redefine your E46 with performance bushings all around with Powerflex! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
3218747
Mfg#:
PF5K-1003
In Stock
$410.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4766229 - VTT-OBD-LOCK - VTT OBD-LOCK ODB Port Locking Tool - Prevent Dealerships From Re-Flashing Your Car Against Your Wishes! - Vargas Turbo Technologies - Audi BMW Volkswagen Mercedes Benz Porsche

Prevent Dealerships From Re-Flashing Your Car Against Your Wishes! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles Produced After 1995

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4766229
Mfg#:
VTT-OBD-LOCK
In Stock
$97.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3154107 - 003326ECS03 -  Performance Caliper Guide Bushing Set - Installation Tool  - Highly recommended for installation of ECS Tuning's bronze caliper guide bushings - ECS - Audi BMW Volkswagen MINI

Highly recommended for installation of ECS Tuning's bronze caliper guide bushings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3154107
Mfg#:
003326ECS03
In Stock
$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4668276 - 7211 - BMW S54 Swap High-Performance Radiator  - E36/E46 - Cooling for your S54 Swap! - CSF - BMW

Cooling for your S54 Swap! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with an S54 Engine Swap CARB certified for sale in all 50 states

Brand:
CSF - Corporate Logo
ES#:
4668276
Mfg#:
7211
EO#:
D-802-19
In Stock
$599.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3160732 - S1618A - Red Powder Coated Calipers - Front Set - Powder coated red calipers for both style and corrosion prevention! Includes left and right side calipers and carriers! - Power Stop - BMW

Powder coated red calipers for both style and corrosion prevention! Includes left and right side calipers and carriers! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Power Stop - Corporate Logo
ES#:
3160732
Mfg#:
S1618A
In Stock
$222.99

This product was last offered at the strikethrough price on
02-24-2026

$196.99 USD
Free Shipping
on orders $49 and up
ES#3622201 - 03CM1-HDFF-AK - Stage 3+ FX350 Clutch and flywheel Kit - Features the Power Plus I Pressure Plate with Clutch Masters New Formula Button disc - 110% increased holding capacity and light weight flywheel - Clutch Masters - BMW

Features the Power Plus I Pressure Plate with Clutch Masters New Formula Button disc - 110% increased holding capacity and light weight flywheel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with 5-speed transmission only

Brand:
Clutch Masters - Corporate Logo
ES#:
3622201
Mfg#:
03CM1-HDFF-AK
Ships in 7 Business Days
15% off MSRP

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

$1386.00

This product was last offered at the strikethrough price on
06-11-2026

$1178.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#248906 - 48-126380 - B16 PSS10 Coilover System - Height adjustable suspension system offering adjustable compression and rebound to dial in for competition, comfort, or anywhere in between. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - BMW

Height adjustable suspension system offering adjustable compression and rebound to dial in for competition, comfort, or anywhere in between. World-famous Bilstein quality with a limited lifetime warranty! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Bilstein - Corporate Logo
ES#:
248906
Mfg#:
48-126380
Ships in 4 Business Days
$2299.00 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