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BMW M3 LSD & Differential Upgrades

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MMX Dual Differential Mount - G8x

MMX locks your G8X differential solid—stronger, sharper, torque-directing, track-ready.

Brand:
MMX Performance - Corporate Logo
ES#:
5341421
Mfg#:
MMR55-1606
Ships in 3 Business Days
$546.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Polyurethane Differential Bushing - Front Position

ES#2748538 - 002447ECS04 - 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#:
2748538
Mfg#:
002447ECS04
In Stock
ON SALE! SAVE 25%
$58.99

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

$44.24 USD
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

E36 188mm Reinforced Billet Aluminum Differential Cover & Polyurethane Transmission Mount Set

ES#4876614 - 049424LAEBKT - E36 188mm Reinforced Billet Aluminum Differential Cover & Polyurethane Transmission Mount Set - Upgrade your drivetrain with a stout differential cover and stiffer transmission mounts! - Enthusiast Bundles - BMW

Upgrade your drivetrain with a stout differential cover and stiffer transmission mounts! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876614
Mfg#:
049424LAEBKT
Ships on Sep 9, 2026
Auto Notify
ON SALE! SAVE 17%
$1381.99

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

$1149.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Reinforced Billet Differential Cover Kit - 210/215mm

ES#4818925 - 049409LA - E46 M3 Reinforced Billet Differential Cover Kit - 210/215mm - Single piece 6061 construction, optimized cooling, provisions for temp sensor and external cooler! - Turner Motorsport - BMW

Single piece 6061 construction, optimized cooling, provisions for temp sensor and external cooler! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4818925
Mfg#:
049409LA
Ships on Sep 23, 2026
ON SALE!
Starting at $1102.94 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E30 Heavy Duty Dual Mount Differential Cover

ES#4883458 - 025993LA - E30 Heavy Duty Dual Mount Differential Cover - The strongest differential cover on the market! Featuring an integral secondary mount, 6061-T6 billet aluminum construction, and optimized cooling! - Turner Motorsport - BMW

The strongest differential cover on the market! Featuring an integral secondary mount, 6061-T6 billet aluminum construction, and optimized cooling! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4883458
Mfg#:
025993LA
Ships in 3 Business Days
ON SALE!
Starting at $1083.64 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

Performance Polyurethane Differential Bushing - Front Position

ES#2992256 - 002447ecs04KT2 - 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#:
2992256
Mfg#:
002447ECS04KT2
In Stock
ON SALE! SAVE 25%
$66.47

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

$49.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Polyurethane Differential Bushing Set - Rear Position

ES#2992239 - 002447ecs01KT1 - Performance Polyurethane Differential Bushing Set - Rear 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#:
2992239
Mfg#:
002447ECS01KT1
In Stock
ON SALE! SAVE 25%
$148.99

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

$111.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Diff Cover Replacement Drain Plug

ES#4699254 - 4835K45 - Billet Diff Cover Replacement Drain Plug - Extreme-Pressure Steel Plug With Hex Drive - Fluoroelastomer Rubber Gasket, 9/16"-18 UN/UNF Thread - Bremmen Parts - BMW

Extreme-Pressure Steel Plug With Hex Drive - Fluoroelastomer Rubber Gasket, 9/16"-18 UN/UNF Thread 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4699254
Mfg#:
4835K45
In Stock
ON SALE! SAVE 15%
$6.99

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

$5.93 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

LSD- Tune For OS Giken Differential

Upgrade your OS Giken Differential with this Tune.

Brand:
OS Giken - Corporate Logo
ES#:
4846085
Mfg#:
LSD-TUNE
Ships in 2 Business Days
$150.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Differential Bushing Reinforcement Insert Kit - Front

This kit addresses the inherent weakness in the G8X rear end by filling the air gaps in the front differential bushings with high-strength billet aluminum. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
5446474
Mfg#:
G8XDIFFINSFRT
Ships in 10 Business Days
$132.99 USD
Free Shipping

Billet Differential Lock Down Kit - Black

By utilizing a dual-point system that secures the diff at four points on the unit itself and subframe mounting areas, this kit provides a rock-solid connection. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
5446494
Mfg#:
VTT-G8X-LOCKDOWN
Ships in 10 Business Days
$739.99 USD
Free Shipping

Front Differential Bushing Reinforcement Insert Kit - Rear

An essential upgrade for tuned vehicles or anyone seeking a more connected and predictable driving experience under heavy load. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
5446492
Mfg#:
G8XDIFFINSTRO
Ships in 10 Business Days
$132.99 USD
Free Shipping

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