Sorry man! Had the same thing happen to me with previous 335i, but luckly caught the person before he drove off. Also had to replace bumper. Time to replace with a Euro bumper.
Akra Evo / MS Stage 2 / MS UDP / VF Tune / KW CS / TMS Delrin Bushing / ST 380/355 BBK / SR34 Pads / Apex Arc-8 / Nitto NT01 / APR Splitter and GT-250 Wing / Cantrell MS Half Cage / Recaro Profi / Schroth Profi II-6 / BMW Alcantera Wheel / Aim Solo DL