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Home >> BMW >> 2001 >> 330i Automatic >> Repair and Diagnosis >> Electrical >> Charging Systems >> General Electrical System - Repair >> Plug Connection Time >> 61 13... Crimping Micro Quadlock System contacts (MQS) >> Special tools required:
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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 Crimping Set (Plier & Crimping Head)
G03125125Courtesy 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: Inserting MQS Contact In Contact Carrier
G03125126Courtesy 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: Cutting Cable
G03125127Courtesy 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 & Removing MQS Contact
G03125128Courtesy of BMW OF NORTH AMERICA, INC.