I recently stayed at the Cortiina Hotel and it was perfect for spending 2 nights and seeing the main sights of Munich. The room was modern with a glass wall between the shower/bath and main room. Although on the small side it was fine for a single traveller. The hotel had a great atmosphere with a warm colour scheme throughout with a great bar area downstairs. The staff were easy to talk to and provided some great advice on what to see in Munich. I would definitely stay here again.