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 For Automatic Transmission for years 2008+
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 clams will have to go directly to Team M Factory
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
Perfect service kit for your BMW, Includes the diff fluid and drain plug to get the job done.
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#:
4876240
Mfg#:
835225790DKT
In Stock
ON SALE!
$60.99
This product was last offered at the strikethrough price on 09-21-2026
Single piece 6061 construction, optimized cooling, provisions for temp sensor and external cooler with removable air duct.
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 equipped with a manual transmission only.
Put all your power to the ground!
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 DCT and a welded rear ring gear only
Single piece 6061 construction, optimized cooling, provisions for temp sensor and external cooler with removable air duct.
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
Standard open differentials love to dump power to the wheel with the least amount of grip, leaving you spinning your tires out of corners, fighting traction control, and wasting horsepower.
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#:
5481396
Mfg#:
30309175WKWVTKT
In Stock
$1274.99
This product was last offered at the strikethrough price on 07-06-2026
Eliminate failure-prone cast aluminum with durable single piece 6061 construction! Featuring optimized cooling, provisions for temp sensor and external cooler, and a removable air duct.
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#:
4830490
Mfg#:
049438LA01KT
In Stock
ON SALE!
SAVE 41%
$1128.99
This product was last offered at the strikethrough price on 06-13-2026
Lifetime Replacement
