LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> BMW >> 2007 >> Z4 2D Convertible, Automatic >> Repair and Diagnosis >> Body & Frame >> Windows >> General Electrical System - Repair >> Plug Connection, Terminals >> 61 13... Crimping optical fibres
April 5, 2026: LEMON Manuals is launched! Read the announcement.

61 13... Crimping optical fibres

Special Tools Required: 

To crimp optical fibres, use pliers 61 4 321 (1) in conjunction with crimping head 61 4 323 (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 61 4 321
G03298452Courtesy of BMW OF NORTH AMERICA, INC.

Move contact guide by means of stop lever (1) into corresponding position (pin contact or jack).

Fig 2: Identifying Move Contact Guide By Means Of Stop Lever
G03298453Courtesy of BMW OF NORTH AMERICA, INC.

Open pliers (2).

Place pin contact or jack (1) in crimping head and secure with locking lever (3).

Fig 3: Opening Pliers
G03298454Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Follow procedure for cutting and stripping insulation from optical fibres.

Insert stripped optical fibre (1) as far as it will go into pin contact or jack (2).

Close pliers (3) fully.

Open pliers (3) and locking lever (4).

Remove optical fibre (1).

Fig 4: Removing Optical Fibre
G03298455Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Make sure optical fibre is correctly seated in jack.

Right (A) 

End of optical fibre (1) must be flush with tip of pin contact (2).

Wrong (B) 

End of optical fibre (1) is not flush with tip of pin contact (2).

Fig 5: Identifying End Of Optical Fibre
G03298456Courtesy of BMW OF NORTH AMERICA, INC.