This part is listed by BMW as BMW part number 31352283190 (31-35-2-283-190) and is described as Genuine BMW Front Sway Bar Mounting Bracket for BMW E60 M5 & E63/E64 M6.
For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.
BMW Fitments:
5 Series
E60 / E61 (04-10) > M5
6 Series
E63 / E64 (04-10) > M6