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Home >> BMW >> 2003 >> 745Li >> Repair and Diagnosis >> Electrical >> Charging Systems >> General Electrical System - Repair Instructions >> Plug Connection, Terminals >> 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.

Fig 1: Identifying Special Tools
G03290743Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Pliers (1) open automatically as far as they will go when handles are pressed together.

Open pliers (1).

Fig 2: Inserting MQS Contact In Contact Carrier
G03290744Courtesy of BMW OF NORTH AMERICA, INC.

Fold up contact carrier (2).

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

Fold back contact carrier (2).

NOTE: Follow procedure for cutting and stripping insulation from cables.

Close pliers (1) one notch.

Fig 3: Inserting Stripped Cable
G03290745Courtesy of BMW OF NORTH AMERICA, INC.

Insert stripped cable (2).

Close pliers (1) fully.

Open pliers (1).

Fig 4: Removing MQS Contact
G03290746Courtesy of BMW OF NORTH AMERICA, INC.

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

NOTE: Check contact for correct crimping.