Necessary preliminary tasks

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Remove FOOTWELL SIDE TRIM PANEL ON A-PILLAR, LEFT

Release screws (1).

Remove OBD-II socket (2) from holder (3).

Fig 1: Identifying Screws, OBD-II Socket And Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Remove OBD-II socket cover (2) from OBD-II socket (1).

Unlock slide plate (3) with a suitable tool in direction of arrow.

Insert special tool 61 0 315 in OBD-II socket (1) in direction of arrow and press out associated flat spring contact (4). Press remaining flat spring contacts with special tool 61 0 315 out of OBD-II socket (1).

Installation:

Pay attention to pin assignment of OBD-II socket (1).

Make sure flat spring contacts and slide plate (3) are correctly engaged and seated in OBD-II socket (1).

Fig 2: Unlocking Slide Plate Using Tool

Courtesy of BMW OF NORTH AMERICA, INC.