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BMW E46 323i M52 2.5L

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BMW E46 323i M52 2.5L Performance Parts & Upgrades

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WPC-Treated Race Series Main Bearing Set - M20/M50/M52/M54/S54

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%
$509.99

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

$458.99 USD
Free Shipping
on orders $49 and up
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 Aug 19, 2026
Auto Notify
ON SALE! SAVE 25%
$203.99

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

$152.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

KW V2 Series Coilover Kit

ES#3032545 - 15220022 - KW V2 Series Coilover Kit - Variant 2 coilovers offer sport handling with adjustable rebound dampening - KW Suspension - BMW

Variant 2 coilovers offer sport handling with adjustable rebound dampening affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
KW Suspension - Corporate Logo
ES#:
3032545
Mfg#:
15220022
Back Ordered
$2264.00 USD
This product is lifetime replacement eligible Lifetime Replacement

6mm Single Groove Valve Keeper - Priced Each

ES#2598482 - KPR-6S-7 - 6mm Single Groove Valve Keeper - Priced Each - Two required per valve, necessary for use with certain supertech valves - Supertech - BMW

Two required per valve, necessary for use with certain supertech valves affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
2598482
Mfg#:
KPR-6S-7
In Stock
$5.99

This product was last offered at the strikethrough price on
03-04-2026

$2.99 USD
Free Shipping
on orders $49 and up
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%
$134.99

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

$101.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner 10mm Wheel Spacers - Silver (Pair) Non-Hubcentric

ES#3028400 - TWH9905002 - Turner 10mm Wheel Spacers - Silver (Pair) Non-Hubcentric - 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!
Non-hubcentric version

Brand:
Turner Motorsport - Corporate Logo
ES#:
3028400
Mfg#:
TWH9905002
In Stock
ON SALE! SAVE 12%
$138.99

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

$122.29 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!
$118.99

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

$112.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount - Priced Each

ES#41849 - 22322282340 - Transmission Mount - Priced Each - Secure the rear of the transmission to the crossmember - Genuine BMW - BMW

Secure the rear of the transmission to the crossmember affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
41849
Mfg#:
22322282340
Ships in 4 Business Days
8% off MSRP

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

$92.25

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

$84.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Sway Bar End Link - Pair

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
Ships in 2 Business Days
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CP-Carrillo Connecting Rod Set M5X Pro-Xtreme

ES#4759044 - CAR-CRS-S52-XT - CP-Carrillo Connecting Rod Set M5X Pro-Xtreme - Upgrade Your M5x Engine With CP-Carrillo Rods Today! 135mm Rods - 5150 Autosport - BMW

Upgrade Your M5x Engine With CP-Carrillo Rods Today! 135mm Rods affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4759044
Mfg#:
CAR-CRS-S52-XT
Ships in 4 Business Days
$2099.99 USD
Free Shipping
on orders $49 and up

Front M3 CSL Sway Bar - 30.8mm

ES#2966719 - 31352282655 - Front M3 CSL Sway Bar - 30.8mm - Get the aggressive handling of the M3 CSL - Genuine European BMW - BMW

Get the aggressive handling of the M3 CSL affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine European BMW - Corporate Logo
ES#:
2966719
Mfg#:
31352282655
Ships on Dec 4, 2026
$699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultimate ECS Tow Hook Mount License Plate Kit

ES#3420303 - 001912ECS04-03 - Ultimate ECS Tow Hook Mount License Plate Kit - A perfect starting point for the ECS Modular Tow Hook product line! - ECS - BMW

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#:
3420303
Mfg#:
001912ECS04-03
In Stock
$133.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

12.5mm Wheel Spacers - Black (Pair)

ES#3021131 - TWH9905013BLACK - 12.5mm 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#:
3021131
Mfg#:
TWH9905013BLACK
Ships on Jul 9, 2026
Auto Notify
ON SALE! SAVE 20%
$141.99

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

$113.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Aluminum Radiator

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 4 Business Days
$503.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Clutch & Flywheel Kit & Polyurethane Transmission Mount Set

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
Ships on Jul 10, 2026
Auto Notify
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

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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