Who is Rob Levinson? He one of the founders of UUC (Underground Upgrade Club) Motorwerks:
http://www.uucmotorwerks.com
Rob is well known in BMWCCA and friends with BMW luminaries like BMW Master Tech Brett Anderson of Koalamotorsports:
http://www.koalamotorsports.com
Rob has own several interesting "toys" including the following:
E34 M5 Touring:
http://www.robertlevinson.com/M5_Touring/
E38 750i with a Six Speed Manual tranny:
http://www.robertlevinson.com/seven/
He also owned a super Dinan E28 M5 Turbo:
http://www.robertlevinson.com/M5_Turbo/
and owned a Calloway E28 535i Turbo:
http://www.robertlevinson.com/535i_Turbo/