Purpose of the System

The features of the power windows and sunroof system include:

• One-touch operation in both directions (up/ down) on the front windows, down only on the rear windows.
• Anti-trap detection is on the front windows only (initialization required for one touch operation).
• The control of the rear windows is carried out through a Relay Module (RM IV).
• The switches in the center console controls all four windows and the rear window lock out feature.
  Fig 1: View Of Power Window

  Courtesy of BMW OF NORTH AMERICA, INC.