61 13 ... Circular Plugs, 4-, 7-, 10- 12-, 25-Pin, System D1.5/D2.5

Insert special tool with suitable connection side in connector and twist approx. 3° counter-clockwise.

Fig 1: Using Special Tool To Unlock Connector

Courtesy of BMW OF NORTH AMERICA, INC.

The connector is locked down if detent lug (3) is located in locking groove (2).

1. Unlocking groove
2. Locking groove
3. Detent lug
Fig 2: Identifying Unlocking Groove, Locking Groove, And Detent Lug
Courtesy of BMW OF NORTH AMERICA, INC.

With special tool 61 1 132, press back arrester hook (4) of appropriate contact and pull out cable.

Fig 3: Identifying Arrester Hook And Special Tool 61 1 132
Courtesy of BMW OF NORTH AMERICA, INC.