You will need:
x2 33556776559 - Stabilizer rubber mounting
x2 37106789678 - Hex nut wiht flange
x2 33326760374 - Self-locking collar nut
(These appear to be lock nuts so you can't reuse them.)

You might want to check you balljoints on your links, if they need replacing also buy:
x2 33556771937 - Rear swing support (sway bar link)

__________________

Current: '10 E70 X5 35d
Prior: '82 E21 320i | '80 E21 320i | '72 E3 Bavaria | '98 E36/5 318ti | '06 E46/2 325Ci | '83 E21 320iS