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61 13... Notes for opening contacts and locks of different plug contact systems: Notes

Special tools required: 

Abbreviations of contacts and what they mean: 
ELA  Strand seal 
D 1.5/2.5/3.5  Round contacts with 1.5 mm, 2.5 mm or 3.5 mm diameter 
MDK  Miniature double flat spring contact 
JPT Junior Power timer
DFK Double flat spring contacts
Elo Electronic contacts
Elo Power Electronic contacts for heavy load
MQS Micro Quadlock system
MPQ Micro Power Quadlock
MLK Mini laminated contact
SLK Sensor laminated contact
LSK Load current contact
MLK Mini laminated contact
Mcon Multi contact
IMPORTANT: The contacts can be changed on ultrasonically welded connectors (1).

Ultrasonically welded connectors (1) must be replaced completely.

Ultrasonic-welded connectors (1) can be identified by the welds (2) on their longitudinal side.

Fig 1: Identifying Ultrasonic-Welded Connectors And Welds
G06213382Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Special tools referred to in the repair instructions below are contained in the following special tool sets:

Repair instructions for opening connector housings and removing contacts of different connector systems