Most vehicles have what they call a "black box." It would not be user accessible or changeable as they use this information in the state of a crash to determine reasons as to WHY the crash may of happened. I am not sure on what BMW uses.
'09 LCI 335i E90 in BSM over Oyster Dakota Leather, Manual, Sport, Navigation, Individual Audiophile, Executive, Active Steering, JB4 + MHD BEF, 335is Exhaust w/AWE Tuning Tips, AFE DCI, Euro Tails/Fog Light Switch, various painted and other OEM + mods, 19" M5 reps summer
'13 MINI Cooper S Paceman JCW R61in Light White & Black Roof/Mirror Caps/Sport Stripes, Loaded + Rare