The E46 3 series sway bar (anti-roll bar) should be basically the same as the E85 as the links and bush mounts are shared,
Front:
Bushing mounts: 16 ft-lbs
Links: 48 ft-lbs
Rear:
Bushing mounts: 16 ft-lbs
Links: 25 ft-lbs
Source http://www.bimmerfest.com/forums/showthread.php?t=315038