well here itis about the new 5er
http://www.bmw.com/com/en/index_highend.html
This is what I know so far.
1. front lights
2. tail lights
3. front bumper
4. back boot lid
5. back wing wider
6. all 4 door intee
7. sport wheel
8. sport gear stick
9. new brake system
10. new auto gear box
11. engines
12. car boby colours
13. new wheels designs
14. biggest change and not the best is price