Happened to me in regular old comfort mode in my 335i cruising on highway at about 65 and mad limp mode. Got off to restart and power was back.. But, I mean, this car has 1200 miles..WTF
M235i F22: Prem.Tech.+
335 F30 MSport: Prem.Tech.NAV.+
X-335 E92: Prem.Sport.+
Audi A3: FBO.