If my Servotronic Steering starts clunking (which it does not ... yet) and they have to change the rack, perhaps they can upgrade it with the more expensive and faster VSS rack as VSS is purely mechanical and includes Servotronic Steering.
Servotronic Steering:
http://www.bmw.com/com/en/insights/t...rvotronic.html
VSS:
http://www.bmw.co.za/products/automo...tssteering.asp