Oh fuck! These are mere possessions and can be replaced.
Here is a primer on MY changes:
https://www.6post.com/forums/showthread.php?t=1646062
2013:
-Launch year, only Coupes and Convertibles in this model year
-CIC idrive
2014:
-Gran Coupe introduced
-Competition Package (575 HP) offered.
http://f10.m5post.com/forums/showthread.php?t=873975
-First generation NBT
2015:
-NBT updated to ceramic touch controller and larger screen. (March 2014 Production)
2016:
-LCI headlight refresh
http://www.6post.com/forums/showthread.php?t=1067822 (March 2015 Production)
-Competition Package power bump (600 HP)
http://www.6post.com/forums/showthread.php?t=1264569
-Competition Edition Coupe introduced for MY2016
http://www.6post.com/forums/showthread.php?t=1173192
2017:
-NBT Version 5 interface update- wireless charging, wi-fi hotspot and enhanced USB/Bluetooth (March 2016 production)
2018:
-NBT Version 6- non-touchscreen (March 2017 Production)
-Only Gran Coupe and Convertible models offered
-6MT no longer configurable with ZCP
2019:
-final model year
-Only Gran Coupe offered
Across all model years, the steering wheel has remained the same (2013 M5s had the old steering wheel). Really, the only updates thus far in this generation has been and likely remain:
1. headlights
2. idrive
3. ZCP