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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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ECS E46 Non-M Performance Coilovers & Upgraded Monoball FCAB's

ES#4751322 - 029307ECS01KT - ECS E46 Non-M Performance Coilovers & Upgraded Monoball FCAB's - The ultimate suspension upgrade. Performance Adjustable Coilovers with fresh FCAB's with mono-ball upgrades pre installed! This can be considered our ground control kit with the new and improved driving experience for your E46 non-m! - Enthusiast Bundles - BMW

The ultimate suspension upgrade. Performance Adjustable Coilovers with fresh FCAB's with mono-ball upgrades pre installed! This can be considered our ground control kit with the new and improved driving experience for your E46 non-m! 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#:
4751322
Mfg#:
029307ECS01KT
In Stock
ON SALE! SAVE 35%
$1679.99

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

$1099.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Performance Polyurethane Differential Bushing Set

ES#2748545 - 002447ECS02KT - Complete Performance Polyurethane Differential Bushing Set - ECS engineered to improve power application and offer superior service life over factory rubber bushings - ECS - BMW

ECS engineered to improve power application and offer superior service life over factory rubber bushings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2748545
Mfg#:
002447ECS02KT
In Stock
ON SALE! SAVE 25%
$183.99

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

$137.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Solid Rear Subframe Bushing Set

ES#3006341 - TDR4680014 - Solid Rear Subframe Bushing Set - Reduce deflection for increased rear-end stability - Turner Motorsport - BMW

Reduce deflection for increased rear-end stability affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3006341
Mfg#:
TDR4680014
In Stock
ON SALE! SAVE 25%
$443.99

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

$332.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

19" Style 030 Wheels - Square Set Of Four

ES#2695472 - 030-8KT - 19" Style 030 Wheels - Square Set Of Four - 19x9.5 ET38 5x120 72.6CB - Matte Black - Alzor - BMW

19x9.5 ET38 5x120 72.6CB - Matte Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Alzor - Corporate Logo
ES#:
2695472
Mfg#:
030-8KT
In Stock
ON SALE! SAVE 25%
$1300.00

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

$975.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

FX250 Stage 2 Clutch and flywheel Kit

ES#3622192 - 03CM1-HD0F-AK - FX250 Stage 2 Clutch and flywheel Kit - More holding power with a Rigid organic/fiber tough disc and light weight aluminum flywheel - Clutch Masters - BMW

More holding power with a Rigid organic/fiber tough disc and light weight aluminum flywheel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with 5-speed transmission only

Brand:
Clutch Masters - Corporate Logo
ES#:
3622192
Mfg#:
03CM1-HD0F-AK
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.

$1328.99

This product was last offered at the strikethrough price on
06-16-2026

$1129.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Power Steering Pulley

ES#2795558 - 003042ECS01 - Aluminum Power Steering Pulley - Finally, a durable power steering pulley that won't break! - ECS - BMW

Finally, a durable power steering pulley that won't break! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2795558
Mfg#:
003042ECS01
In Stock
ON SALE! SAVE 15%
$86.99

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

$73.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M52TU/M54 Heavy-Duty Expansion Tank With Mechanical Thermostat Conversion Kit & Silicone Radiator Hoses

ES#4876697 - 008363LA02EB1KT - M52TU/M54 Heavy-Duty Expansion Tank With Mechanical Thermostat Conversion Kit & Silicone Radiator Hoses - The ULTIMATE cooling upgrade for your BMW! Experience increased cooling system capability and durability. - Enthusiast Bundles - BMW

The ULTIMATE cooling upgrade for your BMW! Experience increased cooling system capability and durability. 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#:
4876697
Mfg#:
008363LA02EB1KT
Ships on Jul 21, 2026
Auto Notify
ON SALE! SAVE 24%
$1055.95

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

$799.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Rear Sway Bar - 21mm

ES#2769937 - 007277ECS02A - ECS Tuning Rear Sway Bar - 21mm - Eliminate excessive body roll, improve handling, and gain a more engaging driving experience. Use alone to reduce understeer or pair with an upgraded front bar. - ECS - BMW

Eliminate excessive body roll, improve handling, and gain a more engaging driving experience. Use alone to reduce understeer or pair with an upgraded front bar. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2769937
Mfg#:
007277ECS02A
In Stock
ON SALE! SAVE 15%
$273.99

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

$232.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Drilled Oil Pump Nut

ES#3023516 - OILPUMPNUT - Drilled Oil Pump Nut - Safety-wired nut to alleviate the nut backing off, leaving you with no oil pressure - Turner Motorsport - BMW

Safety-wired nut to alleviate the nut backing off, leaving you with no oil pressure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3023516
Mfg#:
OILPUMPNUT
In Stock
ON SALE! SAVE 15%
$30.99

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

$26.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Exact-Fit Stainless Steel Clutch Line

ES#3525712 - 009536ECS01 - E46 Exact-Fit Stainless Steel Clutch Line - Improve clutch pedal feel with this simple, yet dramatic upgrade - ECS - BMW

Improve clutch pedal feel with this simple, yet dramatic upgrade affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3525712
Mfg#:
009536ECS01
In Stock
ON SALE! SAVE 20%
$63.99

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

$51.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Sedan Carbon Fiber High Kick Spoiler

ES#4500426 - 046636LA01 - E46 Sedan Carbon Fiber High Kick Spoiler - A beautiful high kick carbon spoiler that pays homage to CSL design while flowing perfectly with E46 Sedan body lines! - Turner Motorsport - BMW

A beautiful high kick carbon spoiler that pays homage to CSL design while flowing perfectly with E46 Sedan body lines! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4500426
Mfg#:
046636LA01
In Stock
ON SALE! SAVE 36%
$431.99

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

$275.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bosch Green top 42lb Fuel Injector

ES#3034913 - 42LBINJ - Bosch Green top 42lb Fuel Injector - A popular upgrade for forced induction engines to increase fuel flow - Bosch - BMW

A popular upgrade for forced induction engines to increase fuel flow affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3034913
Mfg#:
42LBINJ
In Stock
$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sport/race Spring Set

ES#10799 - 29484 - Sport/race Spring Set - Lowers your vehicle with minimal comfort sacrifice , Average lowering of 0.75"F 0.25"R. for vehicles with sport suspension, Average lowering of 2"F 1.4"R for vehicles without sport suspension - H&R - BMW

Lowers your vehicle with minimal comfort sacrifice , Average lowering of 0.75"F 0.25"R. for vehicles with sport suspension, Average lowering of 2"F 1.4"R for vehicles without sport suspension 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#:
10799
Mfg#:
29484
In Stock
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Aluminum Radiator

ES#2999055 - MMRAD-E46-323A - 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#:
2999055
Mfg#:
MMRAD-E46-323A
In Stock
$539.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Wheel Stud Conversion Kit - full Set

ES#2836725 - 001467ecs06kt - Wheel Stud Conversion Kit - full Set - Make wheel changes faster and easier, enough to convert both axles - ECS - BMW

Make wheel changes faster and easier, enough to convert both axles 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#:
2836725
Mfg#:
001467ECS06KT
In Stock
ON SALE! SAVE 10%
$196.99

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

$177.29 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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Manufacturer names and/or part numbers are used only for identification purposes.

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