LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> BMW >> 2009 >> 550i Automatic >> Repair and Diagnosis >> Body & Frame >> Windows >> General Electrical System - Repair >> Plug Connection, Terminal, Power Distribution Box >> 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 And Crimping Head
G04753313Courtesy 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 Stop Lever
G04753314Courtesy 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: Identifying Jack, Pliers And Locking Lever
G04753315Courtesy 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: Identifying Pliers, Locking Lever And Optical Fibre
G04753316Courtesy 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 And Tip Of Pin Contact
G04753317Courtesy of BMW OF NORTH AMERICA, INC.