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BMW E34 525i M50 2.5L

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BMW E34 525i M50 2.5L Performance Parts & Upgrades

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Wheel Stud Conversion Kit - full set

ES#2807082 - PRACH5KT2 - 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 10X Entries Into Our F80 M3 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#:
2807082
Mfg#:
PRACH5KT2
In Stock
ON SALE! SAVE 10%
$191.99

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

$172.79 USD
Free Shipping
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 10X Entries Into Our F80 M3 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!
$121.99

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

$118.33 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Proton Plus Series Nitrous System

ES#4044087 - NEX20421 - Proton Plus Series Nitrous System - Choose your bottle size to add up to 150hp with this EFI nitrous kit. - Nitrous Express - BMW

Choose your bottle size to add up to 150hp with this EFI nitrous kit.

Brand:
Nitrous Express - Corporate Logo
ES#:
4044087
Mfg#:
NEX20421
In Stock
ON SALE!
Starting at $493.99 USD
Customize
Free Shipping
on orders $49 and up

Teflon Shifter Bushing Kit

ES#259536 - 2511-002 - Teflon Shifter Bushing Kit - Remove the slop from the shifter arm for improved shifter feel - even on brand-new cars! - ECS - BMW

Remove the slop from the shifter arm for improved shifter feel - even on brand-new cars! 10X Entries Into Our F80 M3 Sweepstakes

For vehicles with production date from 10/1994

Brand:
ECS - Corporate Logo
ES#:
259536
Mfg#:
2511-002
In Stock
ON SALE! SAVE 25%
$74.99

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

$56.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 17.5mm

ES#205207 - ECS#256KTWB - Wheel Spacer & Bolt Kit - 17.5mm - 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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
205207
Mfg#:
ECS#256KTWB
In Stock
ON SALE! SAVE 15%
$207.93

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

$176.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

9 In. Twin Solid Ceramic Clutch And Flywheel Kit

ES#4750141 - XKBM23589-2E - 9 In. Twin Solid Ceramic Clutch And Flywheel Kit - The XClutch 9" Twin Disc Clutch offers a lightweight design for improved throttle response combined with a high torque capacity, making it ideal for racing applications. Rated for 1350 ft-lbs! - XClutch - BMW

The XClutch 9" Twin Disc Clutch offers a lightweight design for improved throttle response combined with a high torque capacity, making it ideal for racing applications. Rated for 1350 ft-lbs! For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft

Brand:
XClutch - Corporate Logo
ES#:
4750141
Mfg#:
XKBM23589-2E
Ships in 2 Business Days
$1924.99 USD
Free Shipping

8 In. Twin Sprung Ceramic Disc Clutch And Flywheel Kit

ES#4749613 - XKBM20530-2B - 8 In. Twin Sprung Ceramic Disc Clutch And Flywheel Kit - The XClutch 8" Twin Disc Clutch offers a lightweight design for improved throttle response combined with a high torque capacity, making it ideal for racing applications. Rated for 890 ft-lbs! - XClutch - BMW

The XClutch 8" Twin Disc Clutch offers a lightweight design for improved throttle response combined with a high torque capacity, making it ideal for racing applications. Rated for 890 ft-lbs! For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft

Brand:
XClutch - Corporate Logo
ES#:
4749613
Mfg#:
XKBM20530-2B
Ships in 2 Business Days
$1886.99 USD
Free Shipping

Chassis Mount Short Throw Shifter

ES#4839952 - 049570la01KT - Chassis Mount Short Throw Shifter - The ULTIMATE shifter upgrade for your BMW! Experience more precise throws, less shift lever travel, and an all-around transformation in your shifting experience. - Turner Motorsport - BMW

The ULTIMATE shifter upgrade for your BMW! Experience more precise throws, less shift lever travel, and an all-around transformation in your shifting experience. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4839952
Mfg#:
049570LA01KT
Ships on Nov 3, 2026
ON SALE! SAVE 20%
$457.99

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

$366.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

9 In. Twin Solid Organic Disc Clutch And Flywheel Kit

ES#4749987 - XKBM23589-2G - 9 In. Twin Solid Organic Disc Clutch And Flywheel Kit - The XClutch 9" Twin Disc Clutch offers a lightweight design for improved throttle response combined with a high torque capacity, making it ideal for racing applications. Rated for 890 ft-lbs! - XClutch - BMW

The XClutch 9" Twin Disc Clutch offers a lightweight design for improved throttle response combined with a high torque capacity, making it ideal for racing applications. Rated for 890 ft-lbs! For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft

Brand:
XClutch - Corporate Logo
ES#:
4749987
Mfg#:
XKBM23589-2G
Ships in 2 Business Days
$1808.99 USD
Free Shipping

SCHRICK CAMSHAFT SET, BMW M50/M52/S50/S52 276/270

ES#4447289 - SCH-CSS-S52-276/ - SCHRICK CAMSHAFT SET, BMW M50/M52/S50/S52 276/270 - A more aggressive option for street use and an upgrade from stock Recommended to Use With Vanos Limiters and Upgraded Valve Springs - VAC Motorsports - BMW

A more aggressive option for street use and an upgrade from stock Recommended to Use With Vanos Limiters and Upgraded Valve Springs

Brand:
VAC Motorsports - Corporate Logo
ES#:
4447289
Mfg#:
SCH-CSS-S52-276/
Ships in 2 Business Days
$2640.99

This product was last offered at the strikethrough price on
09-10-2026

$1779.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

FUEL INJECTOR

ES#34537 - 13641317446 - FUEL INJECTOR - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
34537
Mfg#:
13641317446
Ships in 8 Business Days
6% off MSRP

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

$313.99

This product was last offered at the strikethrough price on
09-14-2026

$294.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front BlueStuff Performance Brake Pads

ES#2622257 - DP5689NDX - Front BlueStuff Performance Brake Pads - Race inspired performance, NDX formula provides a great initial bite - EBC - BMW

Race inspired performance, NDX formula provides a great initial bite 2X Entries Into Our F80 M3 Sweepstakes

Brand:
EBC - Corporate Logo
ES#:
2622257
Mfg#:
DP5689NDX
Ships in 1-3 days
5% off MSRP

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

$179.99

This product was last offered at the strikethrough price on
09-14-2026

$170.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845662
Mfg#:
M5X-WPC-MB
In Stock
ON SALE! SAVE 18%
$520.99

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

$425.99 USD
Free Shipping
on orders $49 and up
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

Brand:
Supertech - Corporate Logo
ES#:
2598482
Mfg#:
KPR-6S-7
In Stock
$3.99

This product was last offered at the strikethrough price on
04-13-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount Bushing - Street

ES#4617285 - PFF5-4655 - Transmission Mount Bushing - Street - Polyurethane mounts secure your transmission for crisp, mis-shift-free gear changes. - Powerflex - BMW

Polyurethane mounts secure your transmission for crisp, mis-shift-free gear changes.

Brand:
Powerflex - Corporate Logo
ES#:
4617285
Mfg#:
PFF5-4655
Back Ordered
$118.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RSL29 Yellow Endurance Racing Brake Pads - Front

ES#3545662 - 129529 - RSL29 Yellow Endurance Racing Brake Pads - Front - Popular street and endurance racing pad. Same friction material used in several European racing series. - Pagid Racing - BMW

Popular street and endurance racing pad. Same friction material used in several European racing series.

Brand:
Pagid Racing - Corporate Logo
ES#:
3545662
Mfg#:
129529
In Stock
$408.99 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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