61 13 ... DME Master Relay Connector

Unlock locking flap (1) of corresponding cable.

Fig 1: Unlocking Locking Flap Of Corresponding Cable

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With special tool 61 1 136 or 61 1 137 (ejector), press back arrester hook (2) of appropriate contact and pull out cable.

Fig 2: Pressing Back Arrester Hook

Courtesy of BMW OF NORTH AMERICA, INC.