61 13 ... In-Line Plugs, 2-Pin, System MPQ 2.8

Press catch on outside in direction of arrow and remove towards top.

Fig 1: Identifying Catch

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Press down arrester hook (1) with screwdriver and pull out cable and contact (2) towards rear.

Fig 2: Identifying Arrester Hook And Cable

Courtesy of BMW OF NORTH AMERICA, INC.