With each BMW dealer charging different amount Ide say 60-120$ per hour there charge you.
-m3 cams. Since its pretty complex to do they might chage you around 4 hours.
-m50 intake manifold. with all the lines connected to it Ide say around 2-3 hours
-new software. Depends on what you need installed.
-fan delete kit. 1 hour
-underdrive pullies. 1 hour
-differential. 6 hours
-control arms w. new bushing. hour
-LCAB + RTAB w. GC shims. maybe around an hour or 2