1
question

When I leave my mini idling for the second time this quarter the check engine light turns on. The mini still runs after that but with less power and I notice that the turbine's air release is nowhere to be heard. The last time it happened I turned it off and on and then check engine light went away with power restored. I give this car all the maintenance at the BMW dealer I bought the mini from always on time. I'm already pushing 80,000 miles... What could it be?