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BMW E34 525i M20 2.5L

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BMW E34 525i M20 2.5L Performance Engine & Drivetrain Parts

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WPC-Treated Race Series Rod Bearing Set - M20/M50/M52/M54/S50/S52

ES#4845637 - M5X-WPC-RB - WPC-Treated Race Series Rod Bearing Set - M20/M50/M52/M54/S50/S52 - 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845637
Mfg#:
M5X-WPC-RB
In Stock
ON SALE! SAVE 25%
$465.99

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

$349.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MS3Pro PnP Plug And Play ECU - BMW E30 325i / E32 / E34 1987-1993

ES#4643183 - MSPNPPro-B8793 - MS3Pro PnP Plug And Play ECU - BMW E30 325i / E32 / E34 1987-1993 - Replace your ECU with a tunable racing ECU from MegaSquirt! - MegaSquirt - BMW

Replace your ECU with a tunable racing ECU from MegaSquirt! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MegaSquirt - Corporate Logo
ES#:
4643183
Mfg#:
MSPNPPRO-B8793
Ships in 6 Business Days
$1149.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Shifter Arm Bracket with Polyurethane Bushing

ES#3146761 - 021011TMS01A - Turner Shifter Arm Bracket with Polyurethane Bushing - The last shifter bushing you'll ever want and need! - Turner Motorsport - BMW

The last shifter bushing you'll ever want and need! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3146761
Mfg#:
021011TMS01A
In Stock
ON SALE! SAVE 44%
$118.99

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

$66.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Baffled Oil Catch Can - 6oz

ES#4369811 - 003779ECS05-01 - ECS Tuning Baffled Oil Catch Can - 6oz - Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! - ECS - Audi BMW Volkswagen MINI

Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For use with custom plumbing and ECS universal mounting bracket kit

Brand:
ECS - Corporate Logo
ES#:
4369811
Mfg#:
003779ECS05-01
In Stock
ON SALE! SAVE 46%
$233.99

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

$126.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M20 Lightweight Flywheel

ES#4811186 - 048935LA01KT - M20 Lightweight Flywheel - A perfectly balanced flywheel compatible with your choice of factory style clutch! Tested in early, late, ETA and IS model E30s for confirmed fitment. - Turner Motorsport - BMW

A perfectly balanced flywheel compatible with your choice of factory style clutch! Tested in early, late, ETA and IS model E30s for confirmed fitment. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4811186
Mfg#:
048935LA01KT
Ships on Sep 8, 2026
Auto Notify
ON SALE! SAVE 20%
$443.99

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

$355.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Cylinder Head Basic Replacement Kit

ES#2918762 - 11121707032-2KT - 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#:
2918762
Mfg#:
11121707032-2KT
Ships on Jul 7, 2026
ON SALE!
$1642.99

This product was last offered at the strikethrough price on
01-03-2026

$1596.66 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Universal 16" Low Profile Electric Fan

ES#3706751 - 30100400 - Universal 16" Low Profile Electric Fan - 1300 CFM. High performance pull fan with straight blades - Spal - Audi BMW MINI

1300 CFM. High performance pull fan with straight blades affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
3706751
Mfg#:
30100400
In Stock
$111.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

-10AN ORB X 3/4" Hose Barb Fitting Assembly - Priced Each

ES#3187875 - 003779ECS10 - -10AN ORB X 3/4" Hose Barb Fitting Assembly - Priced Each - Universal fitting for ECS Tuning Catch can to use a 3/4" Hose - ECS - Audi BMW Volkswagen MINI

Universal fitting for ECS Tuning Catch can to use a 3/4" Hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3187875
Mfg#:
003779ECS10
In Stock
ON SALE! SAVE 35%
$38.99

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

$25.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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
ON SALE!
Starting at $1390.49 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DW400 In-Tank Fuel Pump W/ Universal Set Up Kit

ES#4349830 - 9-401-1001 - DW400 In-Tank Fuel Pump W/ Universal Set Up Kit - The newest high flow in tank fuel pump on the market! - DeatschWerks - Audi BMW Volkswagen Mercedes Benz MINI

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:
DeatschWerks - Corporate Logo
ES#:
4349830
Mfg#:
9-401-1001
In Stock at Vendor
$239.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Boost Cooler (EFI - Port Injection) - Braided Line

ES#4144932 - SN0-310-BRD - Stage 3 Boost Cooler (EFI - Port Injection) - Braided Line - Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

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:
SnowPerformance - Corporate Logo
ES#:
4144932
Mfg#:
SN0-310-BRD
In Stock at Vendor
$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pedal Commander - Throttle Response Controller With Bluetooth

ES#3560716 - PC 10 - Pedal Commander - Throttle Response Controller With Bluetooth - Unleash the hidden power in your vehicle to get instant feedback & response! - Pedal Commander - BMW MINI

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

Brand:
Pedal Commander - Corporate Logo
ES#:
3560716
Mfg#:
PC 10
In Stock
$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Baffled Oil Catch Can - Standard Flow 6oz

ES#4369814 - 022798TMS01-01 - Turner Baffled Oil Catch Can - Standard Flow 6oz - A 4 chamber, baffled oil catch can with a bottom drain option - Turner Motorsport - BMW

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!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4369814
Mfg#:
022798TMS01-01
In Stock
ON SALE! SAVE 30%
$213.99

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

$149.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Cylinder Head Ultimate Replacement Kit

ES#2918763 - 11121707032kt1KT - Complete Cylinder Head Ultimate Replacement Kit - Everything you will need to do a head service on your BMW, plus a new thermostat, thermostat housing, a magnetic drain plug, a camshaft position sensor, spark plugs, ignition wires, and distributor - Assembled By ECS - BMW

Everything you will need to do a head service on your BMW, plus a new thermostat, thermostat housing, a magnetic drain plug, a camshaft position sensor, spark plugs, ignition wires, and distributor 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#:
2918763
Mfg#:
11121707032KT1KT
Ships on Jul 7, 2026
ON SALE!
$2111.99

This product was last offered at the strikethrough price on
01-03-2026

$2096.32 USD
This product is lifetime replacement eligible Partial Replacement

Spal Electric Fan Harness with Relay - 185 Degree

ES#4147266 - 185FH - Spal Electric Fan Harness with Relay - 185 Degree - Single Fan 40amp relay wiring harness kit - 185 degree on/165 degree off with Sending unit - Spal - Audi BMW MINI

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:
Spal - Corporate Logo
ES#:
4147266
Mfg#:
185FH
In Stock
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
06-05-2026

$165.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

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Manufacturer names and/or part numbers are used only for identification purposes.

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