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

WARNING: This page is about a different car, the 2013 BMW Z4, 2012 BMW Z4, 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
ABBREVIATIONS OF PLUG CONTACTS SYSTEM CHART

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 plugs (1).
Ultrasonically welded plugs (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
G04727423Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Special tools referred to in the repair instructions below are contained in the following special tool kits:
  • Release and pressing-off tool61 1 150 will be replaced on 09/2005 by 61 0 300 (BMW) and 61 0 400 (MINI)
  • Release and pressing-off tool 61 1 100 (engine)

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