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BMW Differential Parts

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Differential And LSD Tune

ES#4846087 - bm237haKT - Differential And LSD Tune - Upgrade to a better performing LSD also includes tune. - OS Giken - BMW

Upgrade to a better performing LSD also includes tune.

Brand:
OS Giken - Corporate Logo
ES#:
4846087
Mfg#:
BM237HAKT
Ships in 2 Business Days
$2100.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Differential Service Kit

ES#3170081 - f8xdiffKT - Differential Service Kit - All you need in one package for scheduled differential maintenance! With Genuine BMW Motorsport Differential fluid. - Assembled By ECS - BMW

All you need in one package for scheduled differential maintenance! With Genuine BMW Motorsport Differential fluid. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3170081
Mfg#:
F8XDIFFKT
In Stock
ON SALE!
$158.48 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Differential Axle Shaft Seal - Priced Each

ES#2129953 - 33107510289 - Differential Axle Shaft Seal - Priced Each - Includes locking snap ring - Victor Reinz - BMW

Includes locking snap ring

Brand:
Victor Reinz - Corporate Logo
ES#:
2129953
Mfg#:
33107510289
Ships in 1 Business Day
$25.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Axle Seal

ES#3184702 - 33107505601 - Front Axle Seal - Located on the front differential carrier - Corteco - BMW

Located on the front differential carrier

Brand:
Corteco - Corporate Logo
ES#:
3184702
Mfg#:
33107505601
In Stock
$9.32 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Helical Limited Slip Differential - Final Ratio 3.07 or Less

ES#2795230 - MF-TRS-05E46 - Helical Limited Slip Differential - Final Ratio 3.07 or Less - Allows for traction at all times by providing the most power to the wheel with more grip. Unlike plate differentials (1,1.5,2-way) helical LSDs can supply different spin rates to each axle, like when cornering. - Team MFactory - BMW

Allows for traction at all times by providing the most power to the wheel with more grip. Unlike plate differentials (1,1.5,2-way) helical LSDs can supply different spin rates to each axle, like when cornering. For vehicles with a manual transmission
Gear ratio: 3.07:1

Brand:
Team MFactory - Corporate Logo
ES#:
2795230
Mfg#:
MF-TRS-05E46
In Stock
$999.99 USD
Free Shipping

Helical Limited Slip Differential

ES#2795292 - MF-TRS-05E36 - Helical Limited Slip Differential - Allows for traction at all times by providing the most power to the wheel with more grip. Unlike plate differentials (1,1.5,2-way) helical LSDs can supply different spin rates to each axle, like when cornering. - Team MFactory - BMW

Allows for traction at all times by providing the most power to the wheel with more grip. Unlike plate differentials (1,1.5,2-way) helical LSDs can supply different spin rates to each axle, like when cornering. *Any defects or warranty clams will have to go directly to Team M Factory*

Brand:
Team MFactory - Corporate Logo
ES#:
2795292
Mfg#:
MF-TRS-05E36
Ships in 6 Business Days
$999.99 USD
Free Shipping
on orders $49 and up

Differential Service Kit

ES#4068945 - 83222295532KT2 - Differential Service Kit - With Redline 75w90 gear fluid - Assembled By ECS - BMW

With Redline 75w90 gear fluid 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4068945
Mfg#:
83222295532KT2
In Stock
ON SALE!
$60.99

This product was last offered at the strikethrough price on
08-04-2026

$59.72 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Performance Polyurethane Differential Bushing - Front Position

ES#2748535 - 002447ECS02 - Performance Polyurethane Differential Bushing - Front Position - ECS engineered to improve power application and provide superior service life over factory rubber bushings - ECS - BMW

ECS engineered to improve power application and provide superior service life over factory rubber bushings 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2748535
Mfg#:
002447ECS02
In Stock
ON SALE! SAVE 25%
$66.99

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

$50.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Differential Service Kit

ES#3449404 - 33111211708KT2 - Differential Service Kit - Everything you need to service your differential, featuring Redline 75w90 GL-5 Gear Oil and ECS Magnetic Differential Oil Drain Plug! - Assembled By ECS - BMW

Everything you need to service your differential, featuring Redline 75w90 GL-5 Gear Oil and ECS Magnetic Differential Oil Drain Plug! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3449404
Mfg#:
33111211708KT2
In Stock
ON SALE!
$155.99

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

$146.42 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

F9X X3/4M Billet Diff Lock Down Kit

ES#4759614 - VTT-F9X-LDK - F9X X3/4M Billet Diff Lock Down Kit - Fix The Drivetrain Flaw That Plagues Your X3M and X4M - Vargas Turbo Technologies - BMW

Fix The Drivetrain Flaw That Plagues Your X3M and X4M 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4759614
Mfg#:
VTT-F9X-LDK
Back Ordered
Starting at $314.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner F8X M3 & M4 Dual Mount Diff Plate - With Extra Rear Position OE Bushing

ES#4044501 - 26773tms05KT - Turner F8X M3 & M4 Dual Mount Diff Plate - With Extra Rear Position OE Bushing - Turner Dual Mount Diff Plate with an Extra Genuine OE rear position bushing for the second subframe differential mount to capitalize on dual rear mounts, improved bushing life, reduced wheel hop, increased handling, and crisper driveline response. - Turner Motorsport - BMW

Turner Dual Mount Diff Plate with an Extra Genuine OE rear position bushing for the second subframe differential mount to capitalize on dual rear mounts, improved bushing life, reduced wheel hop, increased handling, and crisper driveline response. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4044501
Mfg#:
26773TMS05KT
In Stock
ON SALE! SAVE 25%
$624.99

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

$468.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E53 X5 Ratcheting Rear Locker Kit - Medium Case

ES#4733183 - 046894la01KT - E53 X5 Ratcheting Rear Locker Kit - Medium Case - DIY-friendly, Ratcheting "Lunchbox" style locker to transform your E53 into a fully capable off-road weapon! - ECS - BMW

DIY-friendly, Ratcheting "Lunchbox" style locker to transform your E53 into a fully capable off-road weapon! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4733183
Mfg#:
046894LA01KT
Ships in 1 Business Day
ON SALE! SAVE 10%
$678.99

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

$611.09 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Speedometer Impulse Sender

ES#4879361 - 62168355008 - Speedometer Impulse Sender - Located in the rear differential - URO - BMW

Located in the rear differential 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4879361
Mfg#:
62168355008
In Stock
$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Differential Parts

Stock or limited-slip, we stock bearings, repair parts, complete differential units, and approved differential fluids so you can keep sending power to the axles without noise, harshness, or vibration.

Other BMW Differential Parts

Let us help you find the parts that fit your BMW

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

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