Monitor the condition of your differential at each service and remove harmful metallic contaminants from imposing premature wear.
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
3046103
Mfg#:
009314ECS01A
In Stock
ON SALE!
SAVE 25%
$62.99
This product was last offered at the strikethrough price on 06-13-2026
Engineered In-House to improve power delivery and handling, with a superior lifespan over soft OE rubber bushings
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4043203
Mfg#:
026709ECS09
In Stock
ON SALE!
SAVE 15%
$183.99
This product was last offered at the strikethrough price on 06-13-2026
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.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Any defects or warranty claims will have to go directly to Team M Factory For vehicles with manual or automatic transmission (Gear ratio=3.15:1)
Provides maximum traction regardless of whether accelerating or decelerating offering the same lock up in both circumstances. Ideal for those looking for maximum sports car feel.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Any defects or warranty clams will have to go directly to Team M Factory For vehicles with a manual transmission
Monitor the condition of your differential at each service and remove harmful metallic contaminants from imposing premature wear.
2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Put all your power to the ground!
*​fits ratios of 3.15 and up*
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Remove harmful metallic contaminants from imposing premature wear on your differential. Easily monitor the condition of your differential with every fluid change. 14mm Hex Socket Head.
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4031285
Mfg#:
027030TMS01
In Stock
ON SALE!
SAVE 25%
$89.99
This product was last offered at the strikethrough price on 06-13-2026
Maximum traction and control whether accelerating or decelerating. Locks axle shafts with a different ratio for each situation. Perfect Compromise between safety and sport.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Any defects or warranty clams will have to go directly to Team M Factory For vehicles with a manual or automatic transmission
Includes an MFactory Helical LSD, 2 Quarts of Redline 75w90 Diff, an ECS Magnetic plug, and Loctite 5970 gasket maker!
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For vehicles with manual or automatic transmission
Pair of out put shaft differential bearings
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Convert your open differential to a locked differential without the costly expense of an limited-slip conversion.
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4841518
Mfg#:
056350LA01
In Stock
ON SALE!
SAVE 25%
$30.99
This product was last offered at the strikethrough price on 06-13-2026
Provides maximum traction and lock up when accelerating. Perfect for drift or drag racing situations or those looking to increase the sport feel of the car.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Any defects or warranty clams will have to go directly to Team M Factory For vehicles with a manual transmission
Provides maximum traction when accelerating and provides a "50% lock up" during deceleration
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For vehicles with a manual transmission
Reduce play and install time!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply *Any defects or warranty clams will have to go directly to Team M Factory*
Restore your differntial or keep your new one in good shape
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Any defects or warranty clams will have to go directly to Team M Factory
All the essentials to bring your differential back to like-new condition
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Any defects or warranty clams will have to go directly to Team M Factory
Lifetime Replacement
