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BMW E90 M3 S65 4.0L

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BMW E90 M3 S65 4.0L Performance Parts & Upgrades

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Performance Caliper Guide Bushing Set

ES#2723829 - 003326ECS01 - Performance Caliper Guide Bushing Set - Reduced caliper deflection, enhanced pedal feel, and improved pad wear. An excellent way to improve braking performance. Priced per axle. - ECS - BMW MINI

Reduced caliper deflection, enhanced pedal feel, and improved pad wear. An excellent way to improve braking performance. Priced per axle. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Industry leading design for maximum performance with minimal maintenance!

Brand:
ECS - Corporate Logo
ES#:
2723829
Mfg#:
003326ECS01
In Stock
ON SALE! SAVE 25%
$169.99

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

$127.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CSL Style Complete Carbon Fiber Trunk Lid - E90 LCI

ES#2848943 - 008007ecs16a - CSL Style Complete Carbon Fiber Trunk Lid - E90 LCI - Get the legendary CSL look plus the benefits of lightweight carbon fiber. Reuses your factory trunk handle. - ECS - BMW

Get the legendary CSL look plus the benefits of lightweight carbon fiber. Reuses your factory trunk handle. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles post LCI starting year 09/2008
For vehicles with a production date from 09/2008

Brand:
ECS - Corporate Logo
ES#:
2848943
Mfg#:
008007ECS16A
In Stock
ON SALE! SAVE 10%
$1081.99

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

$973.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Stud Conversion Kit - Full Set

ES#2836728 - 001467ecs08kt - 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 20mm wheel spacers. May also be used with smaller spacers or without spacer

Brand:
ECS - Corporate Logo
ES#:
2836728
Mfg#:
001467ECS08KT
In Stock
ON SALE! SAVE 10%
$219.99

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

$197.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JXB Driveshaft Center Support Bearing Carrier Upgrade

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#:
4447354
Mfg#:
BMW01A0
In Stock
Starting at $299.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 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

Carbon Fiber Front Splitter Set - E9X M3

ES#2643158 - E9XM3PSPLIT - Carbon Fiber Front Splitter Set - E9X M3 - Add the aggressive look of the ZCP competition package to your M3 - ECS - BMW

Add the aggressive look of the ZCP competition package to your M3 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2643158
Mfg#:
E9XM3PSPLIT
In Stock
ON SALE! SAVE 20%
$531.99

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

$425.59 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%
$194.99

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

$175.49 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

Brand:
YCW Engineering
ES#:
3194666
Mfg#:
YCW-TRS-13E92MA
Ships in 9 Business Days
$1699.99 USD

Performance Rear Trailing arm Set

ES#2777155 - 001258ECS01 - Performance Rear Trailing arm Set - Stronger. Lighter. Better looking. Designed to withstand the abuse of the road. - ECS - BMW

Stronger. Lighter. Better looking. Designed to withstand the abuse of the road. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2777155
Mfg#:
001258ECS01
In Stock
ON SALE! SAVE 25%
$397.99

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

$298.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMS Pedal Tuner - Automatic Transmission

ES#3643099 - BMSPBT - BMS Pedal Tuner - Automatic Transmission - Remove the dead area from your throttle pedal. - Burger Motorsports - BMW

Remove the dead area from your throttle pedal. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
3643099
Mfg#:
BMSPBT
In Stock
$199.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S65/S85 Upgraded Throttle Body Actuator Gear Set

ES#4876024 - 043419la01KT - S65/S85 Upgraded Throttle Body Actuator Gear Set - Eliminate throttle actuator failures for good with upgraded Teflon-reinforced gears, designed for maximum durability and reduced friction. - ECS - BMW

Eliminate throttle actuator failures for good with upgraded Teflon-reinforced gears, designed for maximum durability and reduced friction. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4876024
Mfg#:
043419LA01KT
Ships on Nov 3, 2026
Auto Notify
ON SALE! SAVE 25%
$153.99

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

$115.48 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Performance Brass Clutch Fork Pivot Pin

ES#2992391 - 013236ECS01A - ECS Performance Brass Clutch Fork Pivot Pin - Improved durability and smooth, squeak-free shifts - an essential upgrade for every manual transmission equipped BMW! - ECS - BMW

Improved durability and smooth, squeak-free shifts - an essential upgrade for every manual transmission equipped BMW! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2992391
Mfg#:
013236ECS01A
In Stock
ON SALE! SAVE 25%
$56.99

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

$42.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bilstein B12 Pro-Kit Suspension System

ES#4390695 - 46-276346 - Bilstein B12 Pro-Kit Suspension System - Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - BMW

Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with EDC suspension

Brand:
Bilstein - Corporate Logo
ES#:
4390695
Mfg#:
46-276346
In Stock
$2611.00

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

$2599.00 USD
Free Shipping

CSL Style Complete Carbon Fiber Trunk Lid - E90 Pre-LCI

ES#2848942 - 008007ecs15A - CSL Style Complete Carbon Fiber Trunk Lid - E90 Pre-LCI - Get the legendary CSL look plus the benefits of lightweight carbon fiber. Reuses your factory trunk handle. - ECS - BMW

Get the legendary CSL look plus the benefits of lightweight carbon fiber. Reuses your factory trunk handle. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with a production date up to 09/2008

Brand:
ECS - Corporate Logo
ES#:
2848942
Mfg#:
008007ECS15A
Ships on Aug 4, 2026
Auto Notify
ON SALE! SAVE 10%
$1050.99

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

$945.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APEX M12x1.5mm BMW 5 Lug Stud Kit - Black Finish - Hex Head

ES#4234900 - APEXM12STDKIT5HX - APEX M12x1.5mm BMW 5 Lug Stud Kit - Black Finish - Hex Head - 75mm Hex head studs - APEX Wheels - BMW

75mm Hex head studs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
APEX Wheels - Corporate Logo
ES#:
4234900
Mfg#:
APEXM12STDKIT5HX
Ships in 2 Business Days
$160.00 USD
Free Shipping
on orders $49 and up
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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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