STAGE 4 - BILLET DIFF (AUTO LOCKER
 
Run Rear  Axles in your Front X3 Smartlock Diff
AUTOMATIC LOCKER (Automatically locks under load)
Much Larger FORGED Ring and Pinion
Tapered Roller Pinion Bearings
Billet Case + Side Cover
Internal Oil Pump
Adjustable Backlash + Bearing Preload (Shims included)
 
Requires Driveshaft to be shortened and 1310 Uni Joint Yoke to be welded to OEM driveshaft
 
Please allow 7-10 Days for Asembly, Packing, Export Documentation, Customs Forms and shipping preparation
 
GEN II (Narrower Spool) suits 2018 and later X3
 
If not in stock, please contact us for details of next planned CNC production run