BMW E34 525i M50 2.5L Performance Engine & Drivetrain Parts

The newest high flow in tank fuel pump on the market! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This is Universal and Not a direct replacement for the Genuine Pump!

Brand:

ES#:

4349830

Mfg#:

9-401-1001

$239.00 USD

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Lifetime Replacement

Choose your bottle size to add up to 150hp with this EFI nitrous kit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4044087

Mfg#:

NEX20421

The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE TMS20 IN CART FOR BEST PRICE

Brand:

ES#:

4845662

Mfg#:

M5X-WPC-MB

$520.99 USD

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Lifetime Replacement

Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4144932

Mfg#:

SN0-310-BRD

$833.99 USD

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Lifetime Replacement

Remove the slop from the shifter arm for improved shifter feel - even on brand-new cars! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

For vehicles with production date from 10/1994

Brand:

ES#:

259536

Mfg#:

2511-002

$74.99 USD

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Lifetime Replacement

Two required per valve, necessary for use with certain supertech valves affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

2598482

Mfg#:

KPR-6S-7

$5.99

This product was last offered at the strikethrough price on
03-04-2026

$2.99 USD

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on orders $49 and up

Lifetime Replacement

Single Fan 40amp relay wiring harness kit - 185 degree on/165 degree off with Sending unit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4147266

Mfg#:

185FH

11% off MSRP

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

$186.99

This product was last offered at the strikethrough price on
06-12-2026

$165.99 USD

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Lifetime Replacement

Unleash the hidden power in your vehicle to get instant feedback & response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3560716

Mfg#:

PC 10

$299.99 USD

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Lifetime Replacement

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! 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:

ES#:

4750141

Mfg#:

XKBM23589-2E

Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE TMS20 IN CART FOR BEST PRICE
For vehicles with Bosch alternator only

Brand:

ES#:

3148226

Mfg#:

PPKE36KT

$382.99 USD

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Lifetime Replacement

A 4 chamber, baffled oil catch can with a bottom drain option affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE TMS20 IN CART FOR BEST PRICE

Brand:

ES#:

4369816

Mfg#:

022798TMS01-03

$208.99 USD

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Lifetime Replacement

W/Brackets, Solenoid, Hose & All Necessary Fittings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4147675

Mfg#:

SN0-40014

$140.99 USD

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on orders $49 and up

Lifetime Replacement

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! 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:

ES#:

4749987

Mfg#:

XKBM23589-2G