LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> BMW >> 2009 >> 528xi Standard >> Repair and Diagnosis >> Body & Frame >> Windows >> General Electrical System - Repair >> Plug Connection, Terminals, Fuse Box >> 61 13... Crimping Micro Quadlock System contacts (MQS)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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 Pliers, MQS Contact And Contact Carrier
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: Inserting Stripped Cable In Pliers
G04727518Courtesy of BMW OF NORTH AMERICA, INC.

Open pliers (1).

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

Fig 4: Removing MQS Contact
G04727519Courtesy of BMW OF NORTH AMERICA, INC.