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Home >> BMW >> 2009 >> X5 35d >> Repair and Diagnosis >> Body & Frame >> Windows >> General Electrical System - Repair >> 13 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 MQS contacts, use pliers 61 4 321 (1) in conjunction with crimping head 61 4 324 (2) from crimping set 61 4 320. 

NOTE: Pliers (1) open automatically as far as they will go when handles are pressed together.
Fig 1: Identifying Pliers 61 4 321
G04753309Courtesy of BMW OF NORTH AMERICA, INC.

Open pliers (1).

Fold up contact carrier (2).

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

Fold back contact carrier (2).

Fig 2: Identifying Pliers And Contact Carrier
G04753310Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Follow procedure for cutting and stripping insulation  from cables. See 61 13 CUTTING TO LENGTH AND STRIPPING INSULATION FROM CABLES .

Close pliers (1) one notch.

Insert stripped cable (2).

Close pliers (1) fully.

Fig 3: Identifying Pliers And Stripped Cable
G04753311Courtesy of BMW OF NORTH AMERICA, INC.

Open pliers (1).

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

NOTE: Check contact for correct crimping.
Fig 4: Opening Contact Carrier
G04753312Courtesy of BMW OF NORTH AMERICA, INC.