The fastest way to identify your Audi MMI system is to check the software or media version in the MMI settings. Prefixes such as BNav, HNav, HN+, RMC, MHIG, MHI2 and MHI3 identify the infotainment generation and determine which firmware and navigation updates are compatible with your car. Quick MMI identification Prefix Audi system BNav_ … Continue reading Which Audi MMI Do I Have? Complete Audi MMI Identification Guide