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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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Performance Rod Bearing Set - Standard Set

ES#4364526 - CR6640XP - Performance Rod Bearing Set - Standard Set - Upgrade your Rod Bearings to a performance oriented option! - King - BMW

Upgrade your Rod Bearings to a performance oriented option!

Brand:
King - Corporate Logo
ES#:
4364526
Mfg#:
CR6640XP
In Stock at Vendor
$163.99

This product was last offered at the strikethrough price on
05-21-2026

$148.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Teflon Shifter Bushing Kit

ES#259532 - 2511-001 - 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 For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
259532
Mfg#:
2511-001
In Stock
ON SALE! SAVE 25%
$80.99

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

$60.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

K&N Air Filter Cleaning Kit - Aerosol

ES#3491802 - 99-5000KT - K&N Air Filter Cleaning Kit - Aerosol - Preserve & maintain your air filter for a lifetime like it was designed to use - K&N - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Preserve & maintain your air filter for a lifetime like it was designed to use This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi

Brand:
K&N - Corporate Logo
ES#:
3491802
Mfg#:
99-5000KT
In Stock
$24.00

This product was last offered at the strikethrough price on
05-27-2026

$23.99 USD
Free Shipping
on orders $49 and up

Stage 2 Single Disc Clutch - Ceramic

ES#4766143 - XKBM23001-1B - Stage 2 Single Disc Clutch - Ceramic - The XClutch Stage 2 Single Disc Clutch offers a lightweight design for improved throttle response combined with a high torque capacity, making it ideal for racing applications. Rated for 370 ft-lbs! - XClutch - BMW

The XClutch Stage 2 Single Disc Clutch offers a lightweight design for improved throttle response combined with a high torque capacity, making it ideal for racing applications. Rated for 370 ft-lbs!

Brand:
XClutch - Corporate Logo
ES#:
4766143
Mfg#:
XKBM23001-1B
Ships on Aug 7, 2026
Auto Notify
$540.99 USD
Free Shipping

Turner Motorsport Aluminum Solid Transmission Mounts

ES#3438526 - 017730TMS03 - Turner Motorsport Aluminum Solid Transmission Mounts - Designed for track use to eliminate deflection and drive line slop - Turner Motorsport - BMW

Designed for track use to eliminate deflection and drive line slop 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3438526
Mfg#:
017730TMS03
In Stock
ON SALE! SAVE 27%
$113.99

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

$82.77 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bosch Flow Matched EV14 Injectors - US CAR Connector (EV6) - 1600cc - 6 Pack

ES#4920967 - 501-0114 - Bosch Flow Matched EV14 Injectors - US CAR Connector (EV6) - 1600cc - 6 Pack - Genuine Bosch Motorsports EV14 fuel injectors featuring USCAR (EV6) connector matched and packaged in pack of 6 units - Minimum flow of 1600cc @ 3bar (43.5 PSI industry standard) - Bosch - BMW

Genuine Bosch Motorsports EV14 fuel injectors featuring USCAR (EV6) connector matched and packaged in pack of 6 units - Minimum flow of 1600cc @ 3bar (43.5 PSI industry standard) 2X Entries For Our 25th Anniversary Sweepstakes!
NOT A DIRECT REPLACEMENT FOR FACTORY INJECTORS - For use with aftermarket port injection kits only

Brand:
Bosch - Corporate Logo
ES#:
4920967
Mfg#:
501-0114
Ships in 9 Business Days
$1040.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 12" Electric Fan - Black

ES#4147274 - 30100375 - Universal 12" Electric Fan - Black - 861 CFM. High performance puller fan with straight blades. - Spal - Audi BMW MINI

861 CFM. High performance puller fan with straight blades.

Brand:
Spal - Corporate Logo
ES#:
4147274
Mfg#:
30100375
In Stock at Vendor
13% off MSRP

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

$114.99

This product was last offered at the strikethrough price on
07-21-2026

$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head - Bare

ES#2918684 - 11121707032 - Cylinder Head - Bare - Bare head, guides and seats only - AMC - BMW

Bare head, guides and seats only

Brand:
AMC - Corporate Logo
ES#:
2918684
Mfg#:
11121707032
Ships on Aug 13, 2026
$999.00 USD

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
Ships on Aug 28, 2026
Auto Notify
$118.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Sprung 4-Pad Racing Clutch Kit

ES#4505471 - BM17-HDG4 - Heavy Duty Sprung 4-Pad Racing Clutch Kit - Perfect for high performance street and road racing demands. Conservatively rated up to 505 ft/lbs torque capacity. - ACT - BMW

Perfect for high performance street and road racing demands. Conservatively rated up to 505 ft/lbs torque capacity.

Brand:
ACT - Corporate Logo
ES#:
4505471
Mfg#:
BM17-HDG4
Ships in 6 Business Days
ON SALE! SAVE 10%
$865.00

This product was last offered at the strikethrough price on
07-21-2026

$778.50 USD
This product is lifetime replacement eligible Lifetime Replacement

AP3 OBD2 UNIVERSAL CABLE

ES#4415272 - AP3-OBDII-CABLE- - AP3 OBD2 UNIVERSAL CABLE - Tidy up your cabin with the COBB OBDII Universal Cable! - CobbTuning - Audi BMW Volkswagen Porsche

Tidy up your cabin with the COBB OBDII Universal Cable!

Brand:
CobbTuning - Corporate Logo
ES#:
4415272
Mfg#:
AP3-OBDII-CABLE-
In Stock
$85.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Fan Mount Kit

ES#2764772 - MMFANMOUNT - Universal Fan Mount Kit - Through radiator mounts for custom applications - Mishimoto - Audi BMW Volkswagen MINI

Through radiator mounts for custom applications

Brand:
Mishimoto - Corporate Logo
ES#:
2764772
Mfg#:
MMFANMOUNT
In Stock
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 16" Electric Fan - Black

ES#3247470 - 30102048 - Universal 16" Electric Fan - Black - 1959 cfm. High performance pusher fan with curved blades. - Spal - Audi BMW MINI

1959 cfm. High performance pusher fan with curved blades.

Brand:
Spal - Corporate Logo
ES#:
3247470
Mfg#:
30102048
In Stock
$207.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Aluminum Throttle Cable Bushings

ES#4147039 - 006585LA01-01 - Upgraded Aluminum Throttle Cable Bushings - No more slow throttle response! Does your car feel old? Age may not be the issue at all, your throttle cable bushings are mostly likely worn out and your car has lost its pep! - Turner Motorsport - BMW

No more slow throttle response! Does your car feel old? Age may not be the issue at all, your throttle cable bushings are mostly likely worn out and your car has lost its pep! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4147039
Mfg#:
006585LA01-01
In Stock
ON SALE! SAVE 54%
$47.99

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

$22.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 1 Single Disc Clutch Kit - Organic

ES#4766142 - XKBM23001-1A - Stage 1 Single Disc Clutch Kit - Organic - The XClutch Stage 1 Single Disc Clutch offers a lightweight design for improved throttle response combined with a high torque capacity, making it ideal for racing applications. Rated for 240 ft-lbs! - XClutch - BMW

The XClutch Stage 1 Single Disc Clutch offers a lightweight design for improved throttle response combined with a high torque capacity, making it ideal for racing applications. Rated for 240 ft-lbs!

Brand:
XClutch - Corporate Logo
ES#:
4766142
Mfg#:
XKBM23001-1A
Back Ordered
$399.99 USD
Free Shipping
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.

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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