The BBS FI-R is that wheel. The FI-R is forged from 7075 series Aluminum with the goal of minimum mass, and maximum stability. A clean design with 5 distinctive Y spokes, this one-piece wheel shines with its signature cut-outs in the spokes. A 19x9.5 weighs a mere 16.5 lbs.
BBS Wheels for BMW E9x M3 (Recommend 12 mm Spacer in the rear)