Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW2011Z4 35I, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTSEATSGENERAL ELECTRICAL SYSTEM - REPAIR6113 PLUG CONNECTION, TERMINAL, FUSE BOX61 13... INSTRUCTIONS FOR OPENING CONTACTS AND LOCKS OF DIFFERENT PLUG CONTACT SYSTEMS
2011 BMW Z4 35i, Standard
61 13... Instructions for opening contacts and locks of different plug contact systems
2011 BMW Z4 35i, StandardSECTION 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.
Ultrasonically welded plugs (1) must be replaced completely.
Ultrasonic-welded connectors (1) can be identified by the welds (2) on their longitudinal side.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.