One problem related to engine stall has been reported for the 2012 BMW 5 Series. The most recently reported issues are listed below.
I was driving at about 65 mph on a highway uphill, engine completely stalled, no power, got a message "drive-train malfunction, no maximum output, drive moderately". I was surrounded by cars/semi trucks, very dangerous situation. Managed to pull over on the should. Could not restart car, got a message "automatic start/stop deactivated: engine will not start automatically. Press the start/stop button to start the engine. " about 30 mins after engine stalled, I finally restarted the car. Continued to drive on the highway for about 10 miles @ 60-65 mph. At a local street, as I slowed down to approach a traffic light, engine stalled again, no power, car stopped in the middle of road, got the two same messages, could not start car. About 30 mins after engine stalled, I finally started the car.
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| Engine Stall problems |