If you have got play in your rear wheel get it changed under warranty.I had to have mine done the bearing was loose in the housing causing the brake to drag!yes it moved that much.I'm totally pigged off with mine it goes back tommorow the clutch is knackered now thats the rear brake,Brain,starting/running problems,Temprature sensors,Wheel bearings,rust on the frame number plate.And the paint is rubbing off the frame .The bikes a bag ofS###e and i want a new one.I'm not gonna talk to BMW any more my solicitor is.Their attitude is you have a warranty what more do you want.Tossers.