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BMW E46 Performance Parts & Upgrades

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Limited Slip Differential - 188 (Small Diff Housing)

ES#2917892 - 30309175WKWVT - Limited Slip Differential - 188 (Small Diff Housing) - Put all your power to the ground! *fits ratios of 3.15 and up* - Wavetrac - BMW

Put all your power to the ground! *​fits ratios of 3.15 and up*

Brand:
Wavetrac - Corporate Logo
ES#:
2917892
Mfg#:
30309175WKWVT
Ships in 10 Business Days
$1245.99 USD
Free Shipping
on orders $49 and up

DS Series Coilover Suspension Kit - E46 M3

ES#4146469 - I-14-DS - DS Series Coilover Suspension Kit - E46 M3 - BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. - BC Racing - BMW

BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback.

Brand:
BC Racing - Corporate Logo
ES#:
4146469
Mfg#:
I-14-DS
In Stock
$1395.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Polyurethane Transmission mount Set - Street/Track

ES#2718367 - 002705ECS01 - Polyurethane Transmission mount Set - Street/Track - 80A durometer rating - perfect for aggressive enthusiast driving. Constructed of 304 stainless steel with bonded and constrained polyurethane. - ECS - BMW

80A durometer rating - perfect for aggressive enthusiast driving. Constructed of 304 stainless steel with bonded and constrained polyurethane. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2718367
Mfg#:
002705ECS01
In Stock
ON SALE! SAVE 15%
$115.99

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

$98.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Magnum FORCE Pro 5R Stage 2 Air Intake System

ES#2532708 - 54-20442 - Magnum FORCE Pro 5R Stage 2 Air Intake System - Excellent sound & power - the ultimate performance intake! +6hp & +12lb/ft! - AFE - BMW

Excellent sound & power - the ultimate performance intake! +6hp & +12lb/ft! CARB certified for sale in all 50 states

Brand:
AFE - Corporate Logo
ES#:
2532708
Mfg#:
54-20442
EO#:
D-550-38
In Stock
ON SALE! SAVE 10%
$387.00

This product was last offered at the strikethrough price on
08-03-2026

$348.30 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exact-Fit Stainless Steel Brake Lines - Complete Kit

ES#252665 - E46EXKIT - Exact-Fit Stainless Steel Brake Lines - Complete Kit - DOT-compliant kit to improve pedal feel in your vehicle. - ECS - BMW

DOT-compliant kit to improve pedal feel in your vehicle. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
252665
Mfg#:
E46EXKIT
In Stock
ON SALE!
$203.99

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

$193.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Full Supersprint Exhaust System - Race (63.5mm)

ES#3698274 - 044001KT4 - Full Supersprint Exhaust System - Race (63.5mm) - Full stainless steel exhaust system with sport cats and Race sound muffler for added power and aggressive sound! - Supersprint - BMW

Full stainless steel exhaust system with sport cats and Race sound muffler for added power and aggressive sound!

Brand:
Supersprint - Corporate Logo
ES#:
3698274
Mfg#:
044001KT4
Ships on Nov 11, 2026
$9462.00 USD

Performance Ignition Service Kit

ES#4608633 - D650-0007KT - Performance Ignition Service Kit - Everything you need to service your ignition system, featuring Dinan performance ignition Coils - Dinan - BMW

Everything you need to service your ignition system, featuring Dinan performance ignition Coils Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with a production up to 09/2002 - vehicles produced after 09/2002+ will use N series style coils (D650-0004)

Brand:
Dinan - Corporate Logo
ES#:
4608633
Mfg#:
D650-0007KT
In Stock
ON SALE! SAVE 10%
$275.99

This product was last offered at the strikethrough price on
07-31-2026

$248.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Full Supersprint Exhaust System - Sport (63.5mm)

ES#3698272 - 044001KT3 - Full Supersprint Exhaust System - Sport (63.5mm) - Full stainless steel exhaust system with sport cats and sport sound muffler for added power and sound! - Supersprint - BMW

Full stainless steel exhaust system with sport cats and sport sound muffler for added power and sound!

Brand:
Supersprint - Corporate Logo
ES#:
3698272
Mfg#:
044001KT3
Ships on Nov 11, 2026
$9234.00 USD

Gloss Black Front Grille - Set

ES#4900356 - BM-0030-GB - Gloss Black Front Grille - Set - A high-quality, OEM-fit upgrade designed to enhance your BMWs front-end with a sleek, aggressive gloss black finish - AUTOTECKNIC - BMW

A high-quality, OEM-fit upgrade designed to enhance your BMW’s front-end with a sleek, aggressive gloss black finish Fits M3 Coupe and Convertible!

Brand:
AUTOTECKNIC - Corporate Logo
ES#:
4900356
Mfg#:
BM-0030-GB
In Stock
$79.99 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! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4500426
Mfg#:
046636LA01
Ships in 3 Business Days
ON SALE!
$431.99

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

$427.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Front/Rear (30mm/25mm) Sway Bar Upgrade kit

ES#3022944 - 33355TMS - Turner Motorsport Front/Rear (30mm/25mm) Sway Bar Upgrade kit - Reduce body roll and understeering - Turner Motorsport - BMW

Reduce body roll and understeering 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3022944
Mfg#:
33355TMS
Ships on Oct 20, 2026
ON SALE!
$654.99

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

$635.34 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 1 Clutch And Flywheel Kit - FX100

ES#3622232 - 03CM3-HD00-SK - Stage 1 Clutch And Flywheel Kit - FX100 - Upgraded clutch plate with organic disc and light weight steel flywheel - Clutch Masters - BMW

Upgraded clutch plate with organic disc and light weight steel flywheel For vehicles with 6 speed 22 Spline Transmission and Production Date From 03/2003
For vehicles with 6 speed 22 Spline Transmission and Production Date From 03/2003

Brand:
Clutch Masters - Corporate Logo
ES#:
3622232
Mfg#:
03CM3-HD00-SK
Ships in 2 Business Days
9% off MSRP

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

$1212.99

This product was last offered at the strikethrough price on
08-10-2026

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

Performance Aluminum Radiator

ES#2764251 - MMRADE3692 - Performance Aluminum Radiator - Upgrade your cooling - lifetime warranty! - Mishimoto - BMW

Upgrade your cooling - lifetime warranty!

Brand:
Mishimoto - Corporate Logo
ES#:
2764251
Mfg#:
MMRADE3692
In Stock
$360.99 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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