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

WARNING: This page is about a different car, the 2007 BMW 550i and 2006 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

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).

Unlocking groove
Locking groove
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.