Partial cascade hurts help!!

Hello… 2 days ago I come to my love 530d there is the mirror gone and I have a deep bump in the a-pillar… 2 questions about this 1 can you also get the money paid out by his partial cash insurance ? the insurance man said I can forward the bill from the friendly dierect to him and the pay that then … would have the sum preferred cash and would take care of myself at ebay for a new mirror ……if you should only get 80% that is ok ….. 2 which mirror would you recommend ? because org. bmw mirror ? or n replica ……(are cheap at ebay to have) and only for those who are interested …a mirror at the friendly costs about 1000,- and the bump in the a-pillar about: 300,-