Sorry to hear about it. I know that can be a very sick feeling. I recently saw a previous generation 5 series get hit just like that and probably as hard. I was very impressed at how the car protected the driver.
2012 BMW 550 M-Sport
2012 Acura TL SH-AWD---Wife's car
2013 BMW 1600 GT---2011 Kawasaki Ninja 1000---2012 Ducati Panigale