Loosen cable of rear left and right RPM sensor

NOTE: Perform the steps on the left and right side.

Release the cable of the rear wheel speed sensor

Loosen screws (1) .
Place the wheel arch cover (2) to the side.

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Detach the wheel RPM sensor cable from the holders (1) .
Unlock plug connection (2) and disconnect.

Courtesy of BMW OF NORTH AMERICA, INC.