Entertainment And Information Systems - Overview: Introduction: History

With the launch of the E65, an optical bus (MOST) was used for the first time in a series production vehicle for the purpose of transmitting digitized audio signals.

With the introduction of the E93 in 2007 a USB interface for external audio devices was offered for the first time in BMW vehicles. The media can be accessed from the iDrive and the audio data played through the vehicle speakers.