Saw the title of your thread and thought this should go in the Member's Lounge! ;>)
Seriously, you absolutely should call the guy's insurance company. You never know what actual damage occured at that speed. Could have damaged your rear-end, your wheel bearings, your frame could be out of alignment (big bucks), etc.
<span style='color:green'>1994 325i </span>- - - 75,000 mi.
No mods - - - very happy as is!
<span style='color:green'>1995 525i </span>- - - 154,000 mi.
No squeaks or rattles... unreal!