I would say 5 is about right. The BMW so FAR (has not been torn down yet) is at $10,000 damage including all three panels (Fender, Door, and rear quarter) ALL the interior door components, a new seat, a new mirror, new glass and a new rear tire etc. The car has already been with Plaza BMW in Saint Louis over a month and isn't scheduled to be out until at least another month's time (the Saturn Aura rental they gave my buddy had 18,500 miles when he got it, it now has 26,000). It would not start after he got t-boned either.

So I'd say 5k for the door, fender and then repairing the rear quarter sounds about right.

Gator, depending on who is found at fault (I'm sure it will be him) make sure you keep a medical case open and go to the doctor straight away. Don't mess around with pain, it's indicative of a larger problem most of the time.