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BMW E46 325Ci M54 2.5L Performance Parts & Upgrades

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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
In Stock
Starting at $527.99 USD
Free Shipping
on orders $49 and up
ES#11296 - ECS#252KT - Wheel Spacers - 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 12x1.5x33mm conical bolts in addition to these ECS spacers

Brand:
ECS - Corporate Logo
ES#:
11296
Mfg#:
ECS#252KT
In Stock
ON SALE! SAVE 25%
$105.99

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

$79.48 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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#4699144 - 008694la12bKT - E46 325 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#:
4699144
Mfg#:
008694LA12BKT
In Stock
ON SALE! SAVE 15%
$334.99

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

$284.74 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 1 Business Day
$2554.99 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
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
ES#4142065 - 006205LA01 - E46 M52 M54 Silicone Radiator Hose Kit  - Kit includes upper and lower radiator hoses without connections. Silicone hose upgrade and connectors kit ES4315269. - ECS - BMW

Kit includes upper and lower radiator hoses without connections. Silicone hose upgrade and connectors kit ES4315269. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4142065
Mfg#:
006205LA01
In Stock
ON SALE! SAVE 25%
$160.99

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

$120.74 USD
Free Shipping
on orders $49 and up
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 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
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
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 production date up to 03/2003

Brand:
Clutch Masters - Corporate Logo
ES#:
3622204
Mfg#:
03CM1-HDKV-AK
Ships in 6 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
06-27-2026

$1237.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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!

For vehicles with production date up to 09/2001

Brand:
ECS - Corporate Logo
ES#:
1905416
Mfg#:
E46/2FTMTECH
Ships in 5 Business 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
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 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
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

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