How do you replace air filter for r1200RT BMW motorcycle?

To replace the air filter on a BMW R1200RT motorcycle, first, ensure the bike is on a stable surface and the ignition is off. Remove the seat and the side panels to access the airbox. Unscrew the airbox cover, then carefully remove the old air filter and clean any debris from the airbox. Install the new air filter, reassemble the airbox and panels, and finally, replace the seat.