61 13... In-line plugs, 4-pin, System DFK ELA

Press arrester hook in direction of arrow and remove lock (1).

Fig 1: Pressing Arrester Hook In Direction Of Arrow To Remove Lock

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Installation instructions: 

If necessary, side lock must also be unlocked with screwdriver.

Fig 2: Installing Side Lock Using Screwdriver

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Unlock contact with special tool 61 1 136 and pull out cable (1) and contact towards rear.

Fig 3: Pulling Cable Using Special Tool (61 1 316)

Courtesy of BMW OF NORTH AMERICA, INC.