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BMW E46 323Ci M52 2.5L Performance Parts & Upgrades

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ES#2999054 - MMRAD-E46-323 - Performance Aluminum Radiator - Fully brazed two-row aluminum core with TIG-welded end tanks - Mishimoto - BMW

Fully brazed two-row aluminum core with TIG-welded end tanks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2999054
Mfg#:
MMRAD-E46-323
Ships in 3 Business Days
$503.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4876683 - 048498LA01EBKT - Performance Clutch & Flywheel Kit & Polyurethane Transmission Mount Set - Receive a discounted performance polyurethane transmission mount set alongside your new performance clutch and flywheel kit! - Enthusiast Bundles - BMW

Receive a discounted performance polyurethane transmission mount set alongside your new performance clutch and flywheel kit! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876683
Mfg#:
048498LA01EBKT
In Stock
ON SALE! SAVE 19%
$1236.99

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

$999.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4772524 - SBRC-E46-80A - Subframe Bushing/Reinforcement Combo Kit - Street  - Includes polyurethane subframe bushings and subframe reinforcement plates. - Revshift - BMW

Includes polyurethane subframe bushings and subframe reinforcement plates. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Revshift - Corporate Logo
ES#:
4772524
Mfg#:
SBRC-E46-80A
Ships on Jul 28, 2026
Auto Notify
$249.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2718690 - 002478ECS01KT - Suspension Reinforcement Kit - Includes ECS RTAB limiter, rear shock tower reinforcement plates and BMW Strut tower plates. - Assembled By ECS - BMW

Includes ECS RTAB limiter, rear shock tower reinforcement plates and BMW Strut tower plates. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2718690
Mfg#:
002478ECS01KT
In Stock
ON SALE! SAVE 30%
$316.99

This product was last offered at the strikethrough price on
01-03-2026

$221.81 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4739108 - EP24-692 - Rear EP24 "Enthusiast Performance" Brake Pad Set - This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. - ECS - BMW

This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4739108
Mfg#:
EP24-692
In Stock
ON SALE! SAVE 20%
$110.99

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

$88.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2817048 - E46m3abshmfogins - Fog Light Inserts - gloss black - Give your BMW a truly unique style - ECS - BMW

Give your BMW a truly unique style affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2817048
Mfg#:
E46M3ABSHMFOGINS
In Stock
ON SALE! SAVE 25%
$103.99

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

$77.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4430781 - I-02-ER - ER Series Coilover Suspension Kit  - Get the high quality, unique features of the BC Racing "BR" and "RM" series with the added benefit of an external reservoir for superior performance! - BC Racing - BMW

Get the high quality, unique features of the BC Racing "BR" and "RM" series with the added benefit of an external reservoir for superior performance! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For coupe and sedan models only

Brand:
BC Racing - Corporate Logo
ES#:
4430781
Mfg#:
I-02-ER
Back Ordered
$1935.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

The XClutch 9" Twin Disc Clutch offers a lightweight design for improved throttle response combined with a high torque capacity, making it ideal for racing applications. Rated for 1350 ft-lbs! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft

Brand:
XClutch - Corporate Logo
ES#:
4750141
Mfg#:
XKBM23589-2E
Ships in 2 Business Days
$1924.99 USD
Free Shipping
ES#3149054 - D403-0350 - Replacement Filter for Cold Air Intake - Priced Each - Replace your dirty, damaged, or lost filter - Dinan - BMW

Replace your dirty, damaged, or lost filter 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#:
3149054
Mfg#:
D403-0350
In Stock
11% off MSRP

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

$71.95

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

$63.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2836726 - 001467ecs07kt - Wheel Stud Conversion Kit - Half Set - Make wheel changes faster and easier, enough to convert one axle - ECS - BMW

Make wheel changes faster and easier, enough to convert one axle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Ideal for vehicles with up to 30mm wheel spacers. May also be used with smaller spacers or without spacer

Brand:
ECS - Corporate Logo
ES#:
2836726
Mfg#:
001467ECS07KT
In Stock
ON SALE! SAVE 10%
$100.99

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

$90.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3420867 - 37160600022KT - Front Sway Bar End Link - Pair - Shorter end link for your lowered BMW - 130mm Length - CTR - BMW

Shorter end link for your lowered BMW - 130mm Length affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTR - Corporate Logo
ES#:
3420867
Mfg#:
37160600022KT
In Stock
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3138953 - N4MS42 - 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: +15HP +12LB/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: +15HP +12LB/FT gains! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Shark Injector - Corporate Logo
ES#:
3138953
Mfg#:
N4MS42
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
ES#4845662 - M5X-WPC-MB - WPC-Treated Race Series Main Bearing Set - M20/M50/M52/M54/S54 - The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. - Turner Motorsport - BMW

The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845662
Mfg#:
M5X-WPC-MB
In Stock
ON SALE! SAVE 10%
$520.99

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

$468.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4940086 - IRPSS-SC-3BB - Short Shifter BMW V3 Self Centring - Black With Blue Button - Transforming every drive into a more engaging experience. - IRP - Individual Racing Parts - BMW

Transforming every drive into a more engaging experience. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
IRP - Individual Racing Parts - Corporate Logo
ES#:
4940086
Mfg#:
IRPSS-SC-3BB
Ships on Sep 8, 2026
$466.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2918697 - 11127514540-2 - M52 M54 Cylinder Head - Complete - Complete cylinder head with guides, seats, valves, & springs - AMC - BMW
ECS Tuning recommends this product.

Complete cylinder head with guides, seats, valves, & springs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AMC - Corporate Logo
ES#:
2918697
Mfg#:
11127514540-2
Special Order: No Guaranteed ETA
$1864.99 USD
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
ON SALE! SAVE 15%
$1092.99

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

$929.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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