Yeah, you need the BMW specific scan tool. That light is telling you there is a problem in the all wheel drive system.
You can try a couple things to see if it goes away.
Turn the steering wheel to the left lock then back to the right side lock and then back to center.
The other is to disconnect the battery for five minutes and see if the system corrects itself.
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Friday, October 20th, 2017 AT 9:40 PM