If I remember right it's 105 ft-lbs, as per the receipt print out on my new wheel and tire install from Discount Tire.
For the 5 series sedan its 88 ft-lbs.
12 535i GT DSMB/Cinnamon Welt 1/31/2012
Kelleners Hamburg Graphite Silver Metallic 19x8.5/9.5 Michelin PS A/S+ Gloss to the max by me.
99 740il-sold 52k-157k
94 540ia-sold 98k-155k
93 740il-sold 92k-147k