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BMW E46 323Ci M52 2.5L

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BMW E46 323Ci M52 2.5L Performance Parts & Upgrades

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E46 323/328 Valved Cat-Back Exhaust

ES#5395764 - 039116LA01 - E46 323/328 Valved Cat-Back Exhaust - Turn up the sound or keep it stealth. This lightweight E46 performance exhaust lets you control the tone instantly with its valved muffler and one-click controller. - Turner Motorsport - BMW

Turn up the sound or keep it stealth. This lightweight E46 performance exhaust lets you control the tone instantly with its valved muffler and one-click controller. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
5395764
Mfg#:
039116LA01
In Stock
ON SALE!
Starting at $870.94 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Caliper Guide Bushing Set - Installation Tool

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
ON SALE! SAVE 25%
$46.99

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

$35.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AERO6 Front Big Brake Kit

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
Customize
This product is lifetime replacement eligible Lifetime Replacement

E46 323/328 Luft-Technik Intake System - Black Filter

ES#4873486 - 039102la01KT - E46 323/328 Luft-Technik Intake System - Black Filter - Free-flowing intake featuring a roaring induction noise and increased performance to replace your restrictive factory intake. - ECS - BMW

Free-flowing intake featuring a roaring induction noise and increased performance to replace your restrictive factory intake. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4873486
Mfg#:
039102LA01KT
In Stock
ON SALE! SAVE 15%
$333.99

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

$283.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

TC Kline Racing Single Adjustable Street/Track Coilover Kit

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 1 Business Day
$2554.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Front Sway Bar End Link - Priced Each

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 2X Entries For Our 25th Anniversary Sweepstakes!
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

Wheel Spacers - 12.5mm

ES#11298 - ECS#254KT - Wheel Spacers - 12.5mm - Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW / MINI - ECS - BMW MINI

Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW / MINI affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Recommend 12x1.5x39mm conical bolts in addition to these ECS spacers

Brand:
ECS - Corporate Logo
ES#:
11298
Mfg#:
ECS#254KT
In Stock
ON SALE!
$121.99

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

$118.33 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

M-Tech 2 Coupe Replica Bumper Conversion - Front

ES#1905416 - E46/2FTMTECH - M-Tech 2 Coupe Replica Bumper Conversion - Front - M-Tech styling at an affordable price - ECS - BMW

M-Tech styling at an affordable price affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
1905416
Mfg#:
E46/2FTMTECH
Ships in 1-2 days
ON SALE!
$509.99

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

$494.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 Handling Pack

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

VTT “OBD-LOCK” ODB Port Locking Tool

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 2X Entries For Our 25th Anniversary Sweepstakes!
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

BMW S54 Swap High-Performance Radiator - E36/E46

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 2X Entries For Our 25th Anniversary Sweepstakes!
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

Wheel Spacers - 20mm

ES#11301 - ECS#257KT - Wheel Spacers - 20mm - Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW / MINI - ECS - BMW MINI

Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW / MINI affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Recommend 12x1.5x45mm conical bolts in addition to these ECS spacers

Brand:
ECS - Corporate Logo
ES#:
11301
Mfg#:
ECS#257KT
In Stock
ON SALE! SAVE 25%
$137.99

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

$103.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Performance Parking Brake Actuator/Expanding Lock - Pair

ES#4615427 - 013313la01KT - Turner Motorsport Performance Parking Brake Actuator/Expanding Lock - Pair - Improves the ratio of your actuator from 3:1 to 4:1 - Turner Motorsport - BMW

Improves the ratio of your actuator from 3:1 to 4:1 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4615427
Mfg#:
013313LA01KT
Ships on Sep 8, 2026
Auto Notify
ON SALE! SAVE 25%
$208.99

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

$156.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Race Spring Set

ES#10800 - 50484-88 - Race Spring Set - Lowers your vehicles while providing a stiffer ride, Average lowering of 1.1"F 0.9"R - H&R - BMW

Lowers your vehicles while providing a stiffer ride, Average lowering of 1.1"F 0.9"R affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
10800
Mfg#:
50484-88
In Stock
15% off MSRP

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

$459.00

This product was last offered at the strikethrough price on
07-01-2026

$390.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

17" APEX ARC-8 Square Wheel Set

ES#4699305 - ARC817930SQ - 17" APEX ARC-8 Square Wheel Set - Lightweight, strong, great brake clearances. 17x9" ET30. - APEX Wheels - BMW

Lightweight, strong, great brake clearances. 17x9" ET30. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
APEX Wheels - Corporate Logo
ES#:
4699305
Mfg#:
ARC817930SQ
Ships in 3 Business Days
ON SALE!
Starting at $1152.60 USD
Customize
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.

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