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Home >> BMW >> 2011 >> 535i GT >> Repair and Diagnosis >> Body & Frame >> Windows >> General Electrical System - Repair >> Plug Connection, Terminal, Fuse Box >> 61 13... Crimping Micro Quadlock System contacts (MQS)
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61 13... Crimping Micro Quadlock System contacts (MQS)

Special tools required: 

To crimp MPQ contacts, use hand pliers 61 4 321 (1) in conjunction with crimping head 61 4 324 (2) from crimping set 61 4 320 .

NOTE: Hand pliers (1) open automatically until limit position when handles are pressed together.
Fig 1: Identifying Hand Pliers And Crimping Head
G04753309Courtesy of BMW OF NORTH AMERICA, INC.

Open hand pliers (1).

Fold up contact carrier (2).

Insert MQS contact (3) in contact carrier (2).

Fold back contact carrier (2).

Fig 2: Inserting MQS Contact In Contact Carrier Using Hand Pliers
G04753310Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Follow procedure for CUTTING AND STRIPPING INSULATION  from cables.

Close hand pliers (1) one notch.

Insert stripped cable (2).

Close hand pliers (1) fully.

Fig 3: Cutting Stripped Cable Using Hand Pliers
G04753311Courtesy of BMW OF NORTH AMERICA, INC.

Open hand pliers (1).

Open contact carrier (2) gently and carefully remove MQS contact.

IMPORTANT: Check contact for correct crimping.
Fig 4: Removing MQS Contact From Contact Carrier Using Hand Pliers
G04753312Courtesy of BMW OF NORTH AMERICA, INC.