This part is listed by BMW as BMW part number 12317533840 (12-31-7-533-840) and is described as Genuine BMW Alternator Mounting Bracket.
This version does not have ports for oil cooling.
BMW Fitments:
5 Series
E60 / E61 (04-10) > 545i
6 Series
E63 / E64 (04-10) > 645Ci
7 Series
E65 / E66 (02-08) > 745Li
E65 / E66 (02-08) > 745i