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Home >> BMW >> 2007 >> 323i Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Memory Modules >> General Electrical System - Repair - E90/91 >> 13 Plug connection, terminals, 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 Special Tool (61 4 321) Pliers And (61 4 324) 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 Contact Carrier, Pilers And MQS Contact
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 Pliers And Stripped Cable
G04727518Courtesy of BMW OF NORTH AMERICA, INC.

Open pliers (1).

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

Fig 4: Identifying Pliers And Contact Carrier
G04727519Courtesy of BMW OF NORTH AMERICA, INC.