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BMW M3 Performance Parts & Upgrades

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Wheel Spacer & Bolt Kit - 20mm

ES#205208 - ECS#257KTWB - Wheel Spacer & Bolt Kit - 20mm - 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!

Brand:
ECS - Corporate Logo
ES#:
205208
Mfg#:
ECS#257KTWB
In Stock
ON SALE! SAVE 30%
$179.99

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

$125.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Stud Conversion Kit - Full Set

ES#2836721 - 001467ecs03KT - 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 10mm wheel spacers or those without spacers

Brand:
ECS - Corporate Logo
ES#:
2836721
Mfg#:
001467ECS03KT
In Stock
ON SALE! SAVE 10%
$190.99

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

$171.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear V5 Drilled Brake Rotors - Set (370x24)

ES#4669049 - 34212284811-X - Rear V5 Drilled Brake Rotors - Set (370x24) - Precision manufactured for consistent stopping power during high performance driving. Featuring a GeoSpec corrosion-resistant coating. - ECS - BMW

Precision manufactured for consistent stopping power during high performance driving. Featuring a GeoSpec® corrosion-resistant coating. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles without M Carbon ceramic brakes

Brand:
ECS - Corporate Logo
ES#:
4669049
Mfg#:
34212284811-X
In Stock
ON SALE!
$399.99

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

$387.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BR Series Coilover Suspension Kit

ES#3509407 - I-13-BR - BR Series Coilover Suspension Kit - Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! - BC Racing - BMW

Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with EDC from factory, requires EDC cancellation kit sold separately
For vehicles originally equipped with EDC

Brand:
BC Racing - Corporate Logo
ES#:
3509407
Mfg#:
I-13-BR
In Stock
$1195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Fuel Pump

ES#3557896 - 16142229684 - E46 M3 Fuel Pump - Replace your weak factory pump with this new unit - Bremmen Parts - BMW
ECS Tuning recommends this product.

Replace your weak factory pump with this new unit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
3557896
Mfg#:
16142229684
Ships on Aug 6, 2026
Auto Notify
$313.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Polished Aluminum Strut Bar Kit

ES#2762315 - 004495ECS01 - Polished Aluminum Strut Bar Kit - Reduces chassis flex and protects strut towers from deformation or "mushrooming" - ECS - BMW

Reduces chassis flex and protects strut towers from deformation or "mushrooming" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Protects strut towers from deformation while helping to triangulate the front end for improved handling a

Brand:
ECS - Corporate Logo
ES#:
2762315
Mfg#:
004495ECS01
In Stock
ON SALE! SAVE 25%
$264.99

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

$198.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Carbon Fiber Driveshaft

ES#3194666 - YCW-TRS-13E92MA - Performance Carbon Fiber Driveshaft - Spun from dry carbon fiber and weighs only 11 pounds! - YCW Engineering - BMW

Spun from dry carbon fiber and weighs only 11 pounds! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with a DCT transmission

Brand:
YCW Engineering
ES#:
3194666
Mfg#:
YCW-TRS-13E92MA
In Stock
$1699.99 USD

Karbonius E46 M3 CSL (S54) Carbon Airbox - Gloss Finish

ES#4849841 - E46AD02-CF-2 - Karbonius E46 M3 CSL (S54) Carbon Airbox - Gloss Finish - The ultimate intake upgrade for the E46 M3! - Karbonius Composites - BMW

The ultimate intake upgrade for the E46 M3! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Karbonius Composites - Corporate Logo
ES#:
4849841
Mfg#:
E46AD02-CF-2
Ships on Jul 27, 2026
$2349.00 USD
Free Shipping

Rear Adjustable Length Sway Bar End Link Set

ES#3028364 - TSU9913RS2 - Rear Adjustable Length Sway Bar End Link Set - Needed when lowering your vehicle to eliminate sway bar binding - Turner Motorsport - BMW

Needed when lowering your vehicle to eliminate sway bar binding affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3028364
Mfg#:
TSU9913RS2
In Stock
$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Thermostat - 90C

ES#2807159 - 11537586885-90C - Performance Thermostat - 90C - Includes housing and sealing o-ring - Hamburg Tech - BMW

Includes housing and sealing o-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat! Low-temp thermostat reduces stresses on engine components and improves performance

Brand:
Hamburg Tech - Corporate Logo
ES#:
2807159
Mfg#:
11537586885-90C
In Stock
$117.99

This product was last offered at the strikethrough price on
12-11-2025

$114.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 B16 PSS10 Coilover System

ES#11158 - 48-126687 - E46 M3 B16 PSS10 Coilover System - Height adjustable suspension system offering adjustable compression and rebound to dial in for competition, comfort, or anywhere in between. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - BMW

Height adjustable suspension system offering adjustable compression and rebound to dial in for competition, comfort, or anywhere in between. World-famous Bilstein quality with a limited lifetime warranty! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Bilstein - Corporate Logo
ES#:
11158
Mfg#:
48-126687
In Stock
$2299.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JXB Driveshaft Center Support Bearing Carrier Upgrade

ES#4460602 - BMW04A0 - JXB Driveshaft Center Support Bearing Carrier Upgrade - Holds the driveshaft where it should be! Isolation dampers minimize vibrations and excess noise. - JXB Performance - BMW

Holds the driveshaft where it should be! Isolation dampers minimize vibrations and excess noise. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JXB Performance - Corporate Logo
ES#:
4460602
Mfg#:
BMW04A0
In Stock
Starting at $299.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW S58 G80 M3 G82 M4 G87 M2 Downpipes W Aflow CATs

ES#4900208 - 11-085A - BMW S58 G80 M3 G82 M4 G87 M2 Downpipes W Aflow CATs - EPA compliant cat with increased flow and performance! - Active Autowerke - BMW

EPA compliant cat with increased flow and performance! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Active Autowerke - Corporate Logo
ES#:
4900208
Mfg#:
11-085A
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.

$2399.00

This product was last offered at the strikethrough price on
02-23-2026

$2279.00 USD
Free Shipping

Stainless Axle-Back Exhaust - Black Tips

ES#3149159 - D660-0050-BLK - Stainless Axle-Back Exhaust - Black Tips - Civilized performance for the discerning enthusiast - +5HP - Dinan - BMW

Civilized performance for the discerning enthusiast - +5HP 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#:
3149159
Mfg#:
D660-0050-BLK
Ships in 1 Business Day
11% off MSRP

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

$2536.99

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

$2254.99 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.

Let us help you find the parts that fit your BMW

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