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#4736408 - 7M1532H-.25 - High Performance Main Bearing Set - .25 Oversize - .25 Oversize Bearings - ACL - BMW

.25 Oversize Bearings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ACL - Corporate Logo
ES#:
4736408
Mfg#:
7M1532H-.25
In Stock at Vendor
$376.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3021477 - LHPE46994JMTM - Spec-D Dual Halo Projector Headlight Set - Matte Black Housing/Clear Lens - E46 - Comes with 1 pair of matte black housing, clear lens dual halo projector headlights - Spec-D Tuning - BMW

Comes with 1 pair of matte black 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

Brand:
Spec-D Tuning - Corporate Logo
ES#:
3021477
Mfg#:
LHPE46994JMTM
Ships in 8 Business Days
$246.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2153831 - E46/4RRMTECH - M-Tech 2 Sedan Replica Bumper Conversion - Rear - M-tech styling, kit convenience - ECS - BMW

M-tech styling, kit convenience affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2153831
Mfg#:
E46/4RRMTECH
Back Ordered
$754.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4033274 - 022961tms09KT5 - Quick Steer/Roll Center Correction Race Kit - Drastically increase your steering responsiveness, while correcting your suspension geometry and improving handling. - Turner Motorsport - BMW

Drastically increase your steering responsiveness, while correcting your suspension geometry and improving handling. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without M Sport/ZHP (aluminum) control arms

Brand:
Turner Motorsport - Corporate Logo
ES#:
4033274
Mfg#:
022961TMS09KT5
Back Ordered
Auto Notify
$987.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3621984 - 03005-HDTZ-D - Stage 3 Clutch Kit - FX300 - Upgraded clutch plate and Sprung Hub Segmented Kevlar Disc : Dampened Disc version For aftermarket Single Mass Flywheel - Clutch Masters - BMW

Upgraded clutch plate and Sprung Hub Segmented Kevlar Disc : Dampened Disc version For aftermarket Single Mass Flywheel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with S5D250G-TAJS Transmission (5-Speed with 10-Spline Input Shaft)
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft

Brand:
Clutch Masters - Corporate Logo
ES#:
3621984
Mfg#:
03005-HDTZ-D
Ships in 8 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.

$850.00

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

$722.99 USD
Free Shipping
on orders $49 and up
ES#3621983 - 03005-HDKV-R - Stage 2 Clutch Kit - FX200 - Upgraded clutch plate and kevlar disc : Rigid Disc version - Clutch Masters - BMW

Upgraded clutch plate and kevlar disc : Rigid Disc version affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with S5D250G-TAJS Transmission (5-Speed with 10-Spline Input Shaft)
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft

Brand:
Clutch Masters - Corporate Logo
ES#:
3621983
Mfg#:
03005-HDKV-R
Ships in 8 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.

$850.00

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

$722.99 USD
Free Shipping
ES#3477798 - K877-26 - 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Power Stop - Corporate Logo
ES#:
3477798
Mfg#:
K877-26
Ships in 2 Business Days
$238.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3071759 - 001058ECS04-30KT - Bolt-on Wheel Spacer - 30mm - Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW - ECS - BMW

Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Recommend 12x1.5x28mm conical bolts in addition to these ECS spacers

Brand:
ECS - Corporate Logo
ES#:
3071759
Mfg#:
001058ECS04-30KT
In Stock
$182.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3148991 - D160-0390 - Camber Plates - Improved mechanical grip & reduced tire wear - works great with Dinan springs! - Dinan - BMW

Improved mechanical grip & reduced tire wear - works great with Dinan springs! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
3148991
Mfg#:
D160-0390
Ships in 6 Business Days
11% off MSRP

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

$264.99

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

$234.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4044097 - NEX20422 - Proton Fly-By-Wire Nitrous System - Choose your bottle size to add up to 150hp. This system includes a TPS Autolearn wide open throttle module for use with all electronic fuel injected vehicles, including those with "fly by wire" electronic driven throttle bodies. - Nitrous Express - BMW

Choose your bottle size to add up to 150hp. This system includes a TPS Autolearn wide open throttle module for use with all electronic fuel injected vehicles, including those with "fly by wire" electronic driven throttle bodies. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nitrous Express - Corporate Logo
ES#:
4044097
Mfg#:
NEX20422
Ships in 2 Business Days
Starting at $694.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3552603 - P7160SILVER - Rennline 3 Piece Pedal Set - Silver - Silver finish with rubber grip - includes gas, clutch, and brake pedals - Rennline - BMW

Silver finish with rubber grip - includes gas, clutch, and brake pedals affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
3552603
Mfg#:
P7160SILVER
Ships in 6 Business Days
$230.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#10306 - 33-2231 - Performance Air Filter - Restore fuel mileage and performance - K&N - BMW

Restore fuel mileage and performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
K&N - Corporate Logo
ES#:
10306
Mfg#:
33-2231
In Stock
$68.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#520776 - DP41211R - Front YellowStuff Performance Brake Pad Set - EBC's premium sport street pad that offers high friction levels and heat fade resistance - EBC - BMW

EBC's premium sport street pad that offers high friction levels and heat fade resistance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
EBC - Corporate Logo
ES#:
520776
Mfg#:
DP41211R
In Stock
5% off MSRP

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

$179.99

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

$170.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2823089 - MMRADE3692X - X-Line Performance Aluminum Radiator - Lightweight performance radiator for improved cooling and efficiency - Mishimoto - BMW

Lightweight performance radiator for improved cooling and efficiency affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
20% more efficient, 91% increased coolant capacity, with up to a 30*F reduction in coolant temperature versus the radiator you have now

Brand:
Mishimoto - Corporate Logo
ES#:
2823089
Mfg#:
MMRADE3692X
In Stock at Vendor
$682.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3420247 - 001912ECS04-01 -  Ultimate ECS Tow Hook Mount License Plate Kit - A perfect starting point for the ECS Modular Tow Hook product line! - ECS - BMW MINI

A perfect starting point for the ECS Modular Tow Hook product line! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3420247
Mfg#:
001912ECS04-01
In Stock
$136.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4390997 - 028568TMS02KT - E46 Drift Control Arm Kit - Start your drift journey, increase your steering response and handling characteristics. Provides +65mm more track width (per side) than stock! Includes FCAB's with upgraded monoball bushings to push your E46 to the next level. - Turner Motorsport - BMW

Start your drift journey, increase your steering response and handling characteristics. Provides +65mm more track width (per side) than stock! Includes FCAB's with upgraded monoball bushings to push your E46 to the next level. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4390997
Mfg#:
028568TMS02KT
In Stock
$1092.99 USD
Free Shipping
on orders $49 and up
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