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BMW E39 525i M54 2.5L

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BMW E39 525i M54 2.5L Drivetrain Parts & Accessories

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Driveshaft Overhaul Kit - With Giubo and CSB

ES#2997070 - 26121226731KT1 - Driveshaft Overhaul Kit - With Giubo and CSB - Includes flex disc (Giubo), center support bearing (CSB), and required hardware for installation. - Assembled By ECS - BMW

Includes flex disc (Giubo), center support bearing (CSB), and required hardware for installation. 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#:
2997070
Mfg#:
26121226731KT1
Ships on Aug 20, 2026
Auto Notify
ON SALE!
$207.99

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

$200.45 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 2 MB Performance Clutch Kit - With Single Mass Flywheel

ES#4690128 - MB-006-005 - Stage 2 MB Performance Clutch Kit - With Single Mass Flywheel - The MB clutch kit assembly provides up to 80% increase in torque capacity and is ideally suited for aggressive street use and moderate track use. - DKM - BMW

The MB clutch kit assembly provides up to 80% increase in torque capacity and is ideally suited for aggressive street use and moderate track use. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with 5-speed transmission only

Brand:
DKM - Corporate Logo
ES#:
4690128
Mfg#:
MB-006-005
In Stock
$999.99 USD

Clutch Fork Lever

ES#41215 - 21511223302 - Clutch Fork Lever - Should be replaced during a clutch service - Genuine BMW - BMW

Should be replaced during a clutch service affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
41215
Mfg#:
21511223302
In Stock
8% off MSRP

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

$37.12

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

$33.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throwout Bearing Guide Tube

ES#42238 - 23111224845 - Throwout Bearing Guide Tube - Located on the input shaft of the transmission - Genuine BMW - BMW

Located on the input shaft of the transmission affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
42238
Mfg#:
23111224845
In Stock
$110.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mounting Bolt - Priced Each

ES#41947 - 23001222894 - Transmission Mounting Bolt - Priced Each - M12x90. Secures the transmission bellhousing to the engine block. - Genuine BMW - BMW

M12x90. Secures the transmission bellhousing to the engine block. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
41947
Mfg#:
23001222894
In Stock
8% off MSRP

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

$19.47

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

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Differential Seal - Rear Axle

ES#4722226 - 33108860346 - Differential Seal - Rear Axle - Seals the axles into the differential - Genuine BMW - BMW

Seals the axles into the differential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
4722226
Mfg#:
33108860346
Ships in 3 Business Days
2% off MSRP

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

$96.58

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

$94.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M24x1.5mm Magnetic Drain/Fill Plug - Each

ES#3660327 - 000920ECS01 - M24x1.5mm Magnetic Drain/Fill Plug - Each - Capture harmful particles to prevent wear. M24x1.5 - ECS - Audi BMW Volkswagen Porsche

Capture harmful particles to prevent wear. M24x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3660327
Mfg#:
000920ECS01
In Stock
ON SALE! SAVE 25%
$42.99

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

$32.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Clutch Master Cylinder

ES#4829869 - 21526773670 - Clutch Master Cylinder - A leaking master cylinder often feels like a failing clutch or a problematic transmission - Bremmen Parts - BMW

A leaking master cylinder often feels like a failing clutch or a problematic transmission affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4829869
Mfg#:
21526773670
In Stock
ON SALE! SAVE 15%
$93.99

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

$79.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Performance Polyurethane Differential Bushing Set

ES#4030646 - 026808ECS - Complete Performance Polyurethane Differential Bushing Set - ECS engineered to improve power application and offer superior service life over factory rubber bushings - ECS - BMW

ECS engineered to improve power application and offer superior service life over factory rubber bushings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4030646
Mfg#:
026808ECS
In Stock
ON SALE!
$178.99

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

$170.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ZF Transmission Detent Installation Tool Set

ES#4876787 - 054834la01aKT - ZF Transmission Detent Installation Tool Set - Includes five specialized drifts that will aid in replacing your problematic detent springs, shift pins, bushings, and caps! - Turner Motorsport - BMW
ECS Tuning recommends this product.

Includes five specialized drifts that will aid in replacing your problematic detent springs, shift pins, bushings, and caps! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4876787
Mfg#:
054834LA01AKT
In Stock
ON SALE! SAVE 25%
$117.99

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

$88.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Flex Disc

ES#4316494 - 26117511454 - Universal Flex Disc - Also known as a "Giubo" - Bavarian Autosport - BMW
ECS Tuning recommends this product.

Also known as a "Giubo" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For all vehicles with automatic transmission. Also for touring models with manual transmission.

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4316494
Mfg#:
26117511454
Ships on Aug 20, 2026
Auto Notify
ON SALE! SAVE 15%
$49.99

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

$42.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Axle Nut - Priced Each

ES#251550 - 33411133785 - Axle Nut - Priced Each - Fits left and right side - Febi - BMW
ECS Tuning recommends this product.

Fits left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
251550
Mfg#:
33411133785
In Stock
$18.72

This product was last offered at the strikethrough price on
04-20-2026

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Flex Disk

ES#3477046 - IRPFD-96 - Performance Flex Disk - Built with Polyurethane bushings for a stiffer driveline and instant power transfer. 96mm Diameter - IRP - Individual Racing Parts - BMW

Built with Polyurethane bushings for a stiffer driveline and instant power transfer. 96mm Diameter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For all vehicles with automatic transmission. Also for touring models with manual transmission.

Brand:
IRP - Individual Racing Parts - Corporate Logo
ES#:
3477046
Mfg#:
IRPFD-96
Ships in 6 Business Days
$165.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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! 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#:
4749613
Mfg#:
XKBM20530-2B
Ships in 2 Business Days
$1886.99 USD
Free Shipping

Transmission Mount - Priced Each

ES#248797 - 22316771219 - Transmission Mount - Priced Each - Mounted at the rear of transmission on crossmember - Lemforder - BMW

Mounted at the rear of transmission on crossmember affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Lemforder - Corporate Logo
ES#:
248797
Mfg#:
22316771219
In Stock at Vendor
$14.99

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

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Density Line Performance Transmission Mount Set

ES#3143399 - 034-509-4050-SD - Density Line Performance Transmission Mount Set - Increase performance and durability without sacrificing comfort - an ECS Tuning exclusive! - 034Motorsport - BMW

Increase performance and durability without sacrificing comfort - an ECS Tuning exclusive! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3143399
Mfg#:
034-509-4050-SD
In Stock
ON SALE! SAVE 10%
$66.00

This product was last offered at the strikethrough price on
06-28-2026

$59.40 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Drivetrain Parts & Accessories

Put your power to the wheels where it belongs, and keep drivetrain components mounted securely for comfort and safety. Our Drivetrain Components Section has a huge assortment of parts and fluids for transmissions, differentials, driveshafts, drivetrain mounts, drivetrain bushings, and drive hubs, plus special tools to make repairs easy.

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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