Necessary preliminary tasks

WARNING: This page is about a different car, the 2013 BMW Z4, 2012 BMW Z4, 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

Remove rear right WHEEL
Remove rear right SPLASH GUARD

Pull brake pad wear sensor (1) in direction of arrow out of brake pad.

Disengage line from brake pad wear sensor from holders (2).

Installation:

Make sure brake pad wear sensor (2) is correctly seated in brake pad and holder (1).

Fig 1: Pulling Brake Pad Wear Sensor Out Of Brake Pad

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip line (1) along cable guide.

Open housing cover (2).

Disconnect plug connection.

Fig 2: Identifying Housing Cover And Line

Courtesy of BMW OF NORTH AMERICA, INC.