Crimping Micro Quadlock System Contacts

WARNING: This page is about a different car, the 2003 BMW 530i, 2002 BMW 530i, and 2001 BMW 530i. However, it is still accessible from the selected car via links, so may be relevant.

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 Pliers 61 4 321 And Crimping Head 61 4 324 For Crimping MQS Contacts

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NOTE: Pliers (1) open automatically as far as they will go when handles are pressed together.

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

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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: Crimping MQS Contact

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Open pliers (1).

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

Fig 4: Opening Contact Carrier And Removing MQS Contact

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NOTE: Check contact for correct crimping.