Convert your open differential to a locked differential without the costly expense of an limited-slip conversion.
10X Entries Into Our F80 M3 Sweepstakes
For vehicles with automatic transmissions only - medium case differentials
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
The FX850 Boasts Increased Clamping Force, Lightened Flywheel, and Increased Torque Capacity!
For Vehicles with Production Date from 02/09 with 6 Bolt Crank
Featuring an all-aluminum tank and core plus OE-style quick connects. Lower engine temperatures mean more power and longer life of engine components!
2X Entries Into Our F80 M3 Sweepstakes For vehicles with an Automatic Transmission only
Rebuilt stock internals & TD04 compressor wheels with an upgraded wastegate, thrust system, and new actuators - supports up to 525WHP at the wheels! No Core Charge
2X Entries Into Our F80 M3 Sweepstakes
Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.