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Home >> BMW >> 2009 >> M3 2D Convertible, Standard >> Repair and Diagnosis >> Body & Frame >> Windows >> General Electrical System - Repair - E92/93 >> Plug Connection, Terminals >> 61 13... Crimping Micro Quadlock System contacts (MQS)

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 And Crimping Head
G04727516Courtesy 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 MQS Contact, Contact Carrier And Pliers
G04727517Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Follow procedure for cutting and stripping insulation   from cables.

Close pliers (1) one notch.

Insert stripped cable (2).

Close pliers (1) fully.

Fig 3: Identifying Stripped Cable And Pliers
G04727518Courtesy 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: Checking Contact For Correct Crimping
G04727519Courtesy of BMW OF NORTH AMERICA, INC.