| Wow man. This is not good. Do the people who drafted this estimate agree on the impact speed? I don't want to be a jerk, but sometimes we do go faster than we think. Still, it sounds a but drastic to have to do frame straightening if you were going at such a low speed that it felt like only 5 mph or so.
I would ask the shop to show you the damage. Have them provide you with pictures and compare your car to a "good" reference unit.
It doesn't make any sense to me that the suspension and or steering need to be replaced. You did mention that it felt like a suspension component broke. Did any pf the shops see anything that correlates to that? Broken control arm, etc.?
Let me ask you this: is the car still driveable? Does it feel weird at all? Does it pull to the side, vibrate, etc.? You have electronic dampening, right?
These things aren't easy to diagnose remotely, but from my previous experiences, I am inclined to say that these people have seen you come in an M6 and figured the insurance company and you should have known what they were getting into, and are now trying to run up a large bill.
Best of luck.
I hope we can be of some help. The more we know, the more we can be of assistance.
- Daniel
__________________  Turkey Fleet Bond Holder | 
