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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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M50TU/M52 S50/S52 Single Vanos Billet Valve Cover

ES#4759177 - 030358LA - M50TU/M52 S50/S52 Single Vanos Billet Valve Cover - The holy grail of valve covers offering superior reliability equipped for hot turbo applications and eliminates the need for replacement ever again. - Turner Motorsport - BMW

The holy grail of valve covers offering superior reliability equipped for hot turbo applications and eliminates the need for replacement ever again. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4759177
Mfg#:
030358LA
In Stock
Starting at $1575.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 1 Clutch Kit - FX100

ES#3621972 - 03005-HD00-D - Stage 1 Clutch Kit - FX100 - Upgraded clutch plate with organic disc For Use With Single Mass Flywheel - Clutch Masters - BMW

Upgraded clutch plate with organic disc For Use With Single Mass Flywheel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with S5D250G-TAJS Transmission (5-Speed with 10-Spline Input Shaft)
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft

Brand:
Clutch Masters - Corporate Logo
ES#:
3621972
Mfg#:
03005-HD00-D
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.

$606.99

This product was last offered at the strikethrough price on
07-05-2026

$515.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exact-Fit Stainless Steel Brake Lines - Rear

ES#3569936 - 025319ECS02 - Exact-Fit Stainless Steel Brake Lines - Rear - DOT-compliant kit to improve pedal feel in your vehicle. - ECS - BMW

DOT-compliant kit to improve pedal feel in your vehicle. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3569936
Mfg#:
025319ECS02
In Stock
ON SALE! SAVE 20%
$76.99

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

$61.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MS3Pro PNP Plug And Play ECU - 325i/E36/M3 525/E34 1993-1995

ES#4390906 - MSPNPPro-E369395 - MS3Pro PNP Plug And Play ECU - 325i/E36/M3 525/E34 1993-1995 - Replace your 413 or 506 DME with a tunable racing ECU! - MegaSquirt - BMW

Replace your “413” or “506” DME with a tunable racing ECU! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MegaSquirt - Corporate Logo
ES#:
4390906
Mfg#:
MSPNPPRO-E369395
Ships in 5 Business Days
$1499.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4839952
Mfg#:
049570LA01KT
Ships on Nov 3, 2026
Auto Notify
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

Stage 1 Single Sprung Organic Clutch and Flywheel Kit

ES#4749605 - XKBM24508-1A - Stage 1 Single Sprung Organic Clutch and Flywheel Kit - The XClutch Stage 1 Single Disc Clutch offers a lightweight design for improved throttle response combined with an increased torque capacity, making it ideal for racing applications. Rated for 340 ft-lbs! - XClutch - BMW

The XClutch Stage 1 Single Disc Clutch offers a lightweight design for improved throttle response combined with an increased torque capacity, making it ideal for racing applications. Rated for 340 ft-lbs! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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#:
4749605
Mfg#:
XKBM24508-1A
Ships in 2 Business Days
$1440.99 USD
Free Shipping

15mm Wheel Spacers - Black (Pair)

ES#3021133 - TWH9905015BLACK - 15mm Wheel Spacers - Black (Pair) - Lightweight wheel spacers with a machined tab for easy removal - Turner Motorsport - BMW MINI

Lightweight wheel spacers with a machined tab for easy removal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3021133
Mfg#:
TWH9905015BLACK
In Stock
ON SALE! SAVE 25%
$170.99

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

$128.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Cylinder Head Basic Replacement Kit

ES#2918768 - 11121703637-1KT - Complete Cylinder Head Basic Replacement Kit - Everything you will need to do a head service on your BMW - Assembled By ECS - BMW

Everything you will need to do a head service on your BMW affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2918768
Mfg#:
11121703637-1KT
Ships on Jul 31, 2026
ON SALE!
$2880.38

This product was last offered at the strikethrough price on
02-27-2026

$2772.56 USD
This product is lifetime replacement eligible Partial Replacement

17.5mm Wheel Spacers - Silver (Pair)

ES#3028418 - TWH9905018 - 17.5mm Wheel Spacers - Silver (Pair) - Lightweight wheel spacers with a machined tab for easy removal - Turner Motorsport - BMW MINI

Lightweight wheel spacers with a machined tab for easy removal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3028418
Mfg#:
TWH9905018
In Stock
ON SALE! SAVE 26%
$113.99

This product was last offered at the strikethrough price on
01-11-2026

$84.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3+ FX350 Clutch Kit

ES#3621980 - 03005-HDFF-D - Stage 3+ FX350 Clutch Kit - Features the Power Plus I Pressure Plate with Clutch Masters New Formula Button disc - 110% increased holding capacity For Use With Aftermarket Single Mass Flywheel - Clutch Masters - BMW

Features the Power Plus I Pressure Plate with Clutch Masters New Formula Button disc - 110% increased holding capacity For Use With Aftermarket Single Mass Flywheel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with S5D250G-TAJS Transmission (5-Speed with 10-Spline Input Shaft)
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft

Brand:
Clutch Masters - Corporate Logo
ES#:
3621980
Mfg#:
03005-HDFF-D
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.

$779.99

This product was last offered at the strikethrough price on
07-05-2026

$662.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Caliper Guide Bushing Set - Installation Tool

ES#3154107 - 003326ECS03 - Performance Caliper Guide Bushing Set - Installation Tool - Highly recommended for installation of ECS Tuning's bronze caliper guide bushings - ECS - Audi BMW Volkswagen MINI

Highly recommended for installation of ECS Tuning's bronze caliper guide bushings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3154107
Mfg#:
003326ECS03
In Stock
ON SALE! SAVE 25%
$46.99

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

$35.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacers - 5mm

ES#11296 - ECS#252KT - Wheel Spacers - 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Recommend 12x1.5x33mm conical bolts in addition to these ECS spacers

Brand:
ECS - Corporate Logo
ES#:
11296
Mfg#:
ECS#252KT
In Stock
ON SALE! SAVE 25%
$105.99

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

$79.48 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Black Wheel Spacer & Bolt Kit - 7.5mm

ES#3551715 - twh9905003KT - Turner Motorsport Black Wheel Spacer & Bolt Kit - 7.5mm - Lightweight wheel spacers with a machined tab for easy removal - Turner Motorsport - BMW

Lightweight wheel spacers with a machined tab for easy removal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3551715
Mfg#:
TWH9905003KT
In Stock
ON SALE! SAVE 25%
$204.89

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

$153.67 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary 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

Wheel Spacers - 20mm

ES#11301 - ECS#257KT - Wheel Spacers - 20mm - 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Recommend 12x1.5x45mm conical bolts in addition to these ECS spacers

Brand:
ECS - Corporate Logo
ES#:
11301
Mfg#:
ECS#257KT
In Stock
ON SALE! SAVE 25%
$137.99

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

$103.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exact-Fit Stainless Steel Brake Lines - Complete Kit

ES#2602372 - 002570ECSKT - Exact-Fit Stainless Steel Brake Lines - Complete Kit - DOT-compliant 6 line kit to improve pedal feel in your vehicle. - ECS - BMW

DOT-compliant 6 line kit to improve pedal feel in your vehicle. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2602372
Mfg#:
002570ECSKT
In Stock
ON SALE! SAVE 10%
$233.97

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

$210.57 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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