LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> BMW >> 2012 >> Z4 28i, Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Memory Modules >> General Electrical System - Repair >> 6113 Plug Connection, Terminal, Fuse Box >> 61 13... Instructions for opening contacts and locks of different plug contact systems
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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

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.

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