It exists already - http://www.usautoparts.net/bmw/technology/brake_force_display.htm http://www.usautoparts.net/bmw/technology/brake_force_displa... http://w

It exists already - http://www.usautoparts.net/bmw/technology/brake_force_display.htm http://www.usautoparts.net/bmw/technology/brake_force_displa... http://www.google.com/search?q=break+force+display+bmw http://www.google.com/search?q=break+force+display+bmw