All Models
While rotating hub, tighten castle nut to 7 ft. lbs., then back off on nut 1/3 turn. Insert screwdriver in recess of bearing retainer washer and ensure washer can be rotated easily. Install suitable gauge holder (BMW 5104) on wheel hub and install dial indicator with tip touching front axle stub. Shake wheel hub and read dial indicator for bearing play. Adjust castle nut until bearing play is 0.0008 - 0.0024".
NOTE:
Set bearing play as close to lowest limit as possible. Install cotter key.