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BMW E34 525i M50 2.5L

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BMW E34 525i M50 2.5L Manual Transmission Rebuild Components

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ZF 5-Speed Detent Repair Kit With Installation Tools

ES#4736770 - zf320dtntwtlKT - ZF 5-Speed Detent Repair Kit With Installation Tools - Everything you need to replace the detents in your ZF 5-speed equipped BMW. - Assembled By ECS - BMW

Everything you need to replace the detents in your ZF 5-speed equipped 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#:
4736770
Mfg#:
ZF320DTNTWTLKT
Ships on Aug 10, 2026
Auto Notify
ON SALE!
$410.28

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

$391.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Shift Pin Bushing Kit - Priced Each

ES#4752983 - 23117542726KT - Shift Pin Bushing Kit - Priced Each - Services reverse and 5th gear. Two kits required for complete service. - Genuine BMW - BMW

Services reverse and 5th gear. Two kits required for complete service. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
4752983
Mfg#:
23117542726KT
In Stock
$41.99

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

$40.99 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
Ships on Aug 10, 2026
Auto Notify
ON SALE! SAVE 22%
$114.99

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

$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Manual Transmission Shift Pin Kit - Priced Each

ES#42325 - 23117525048 - Manual Transmission Shift Pin Kit - Priced Each - Services 1st, 2nd, 3rd, and 4th gears. Three kits required for complete service. - Genuine BMW - BMW

Services 1st, 2nd, 3rd, and 4th gears. Three kits required for complete service. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
42325
Mfg#:
23117525048
In Stock
7% off MSRP

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

$13.90

This product was last offered at the strikethrough price on
06-09-2026

$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Synchronizer - Priced Each

ES#42905 - 23211282553 - Synchronizer - Priced Each - Allows your transmission to accept gears across the rev range smoothly - Genuine BMW - BMW

Allows your transmission to accept gears across the rev range smoothly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
42905
Mfg#:
23211282553
Ships in 1 day
4% off MSRP

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

$204.99

This product was last offered at the strikethrough price on
06-09-2026

$196.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Drive Shaft Ball Bearing

ES#42546 - 23121224164 - Drive Shaft Ball Bearing - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only

Brand:
Genuine BMW - Corporate Logo
ES#:
42546
Mfg#:
23121224164
Ships in 1 day
4% off MSRP

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

$287.99

This product was last offered at the strikethrough price on
06-09-2026

$276.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Locking Pin

ES#43667 - 23311224823 - Locking Pin - Internal manual transmission component - Genuine BMW - BMW

Internal manual transmission component affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
43667
Mfg#:
23311224823
Ships in 1 day
3% off MSRP

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

$63.99

This product was last offered at the strikethrough price on
06-09-2026

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Input Shaft Bearing

ES#42273 - 23111228320 - Input Shaft Bearing - 30x72x20mm grooved ball bearing - Genuine BMW - BMW

30x72x20mm grooved ball bearing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
42273
Mfg#:
23111228320
Ships in 3 Business Days
4% off MSRP

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

$108.00

This product was last offered at the strikethrough price on
06-09-2026

$103.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Output Shaft Ball Bearing

ES#42547 - 23121224166 - Output Shaft Ball Bearing - located on the output side of transmission - Genuine BMW - BMW

located on the output side of transmission affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
42547
Mfg#:
23121224166
Ships in 1 day
3% off MSRP

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

$128.99

This product was last offered at the strikethrough price on
06-09-2026

$124.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

output Shaft Bearing

ES#214787 - 23211222260 - output Shaft Bearing - 65x30x18mm grooved ball bearing - Genuine BMW - BMW

65x30x18mm grooved ball bearing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
214787
Mfg#:
23211222260
Ships in 6 Business Days
4% off MSRP

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

$98.99

This product was last offered at the strikethrough price on
06-09-2026

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

Retainer Spring - Priced Each

ES#43716 - 23311228487 - Retainer Spring - Priced Each - Spring in Gearbox - Genuine BMW - BMW

Spring in Gearbox affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
43716
Mfg#:
23311228487
Ships in 1 day
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Conical Ring - Priced Each

ES#43371 - 23231222406 - Conical Ring - Priced Each - Located on first gear - Genuine BMW - BMW

Located on first gear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
43371
Mfg#:
23231222406
Ships in 1 day
2% off MSRP

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

$87.99

This product was last offered at the strikethrough price on
06-09-2026

$85.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Counter Shaft Roller Bearing

ES#42545 - 23121224076 - Counter Shaft Roller Bearing - Located on counter shaft inside transmission - Genuine BMW - BMW

Located on counter shaft inside transmission affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
42545
Mfg#:
23121224076
Ships in 3 Business Days
4% off MSRP

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

$76.99

This product was last offered at the strikethrough price on
06-09-2026

$73.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Needle Cage

ES#42691 - 23211204207 - Needle Cage - Located inside reverse gear - Genuine BMW - BMW

Located inside reverse gear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
42691
Mfg#:
23211204207
Ships in 7 Business Days
6% off MSRP

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

$33.99

This product was last offered at the strikethrough price on
06-09-2026

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Compression Spring - Priced Each

ES#43754 - 23317511337 - Compression Spring - Priced Each - D=1.40 - Genuine BMW - BMW

D=1.40 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
43754
Mfg#:
23317511337
In Stock
4% off MSRP

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

$9.01

This product was last offered at the strikethrough price on
06-09-2026

$8.65 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Shim - Priced Each

ES#46575 - 25111220199 - Shim - Priced Each - Shims for your gear shift lever - Genuine BMW - BMW

Shims for your gear shift lever affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with a manual transmission only

Brand:
Genuine BMW - Corporate Logo
ES#:
46575
Mfg#:
25111220199
Ships in 1 day
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Manual Transmission Rebuild Components

Blowing a tranny is never fun. Rebuild your transmission with transmission rebuild parts. From internals to output seals, we have Genuine transmission rebuild parts along with high-quality aftermarket transmission rebuild parts from manufacturers you trust so you can get out from under your car and back on the road.

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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