BMW X3 Service & Repair Manual: Notes for opening contacts and locks of different plug contact systems
Special tools required:
- 61 0 300
- 61 0 400
- 61 1 100

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.

NOTE:
Special tools referred to in the repair instructions below are contained in the
following special tool sets:
- Unlocking and pressing-off tool 61 1 150 is replaced as of 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 connector housings and removing contacts of different connector
systems:
Connector system D 1.5/D 2.5:
- CIRCULAR CONNECTORS, 7- OR 8-PIN, SYSTEM D 2.5
- CIRCULAR CONNECTORS, 13-PIN, SYSTEM D 2.5
- CIRCULAR CONNECTORS, 20-PIN, SYSTEM D 2.5
- CIRCULAR CONNECTORS, 4-, 7-, 10-, 12- OR 25-PIN, SYSTEM D 1.5/D 2.5
- IN-LINE CONNECTORS, 15-PIN, SYSTEM D 2.5
- IN-LINE CONNECTORS, 8-, 12-PIN, SYSTEM D 2.5
- IN-LINE CONNECTORS, 30-PIN, SYSTEM D 2.5
- IN-LINE CONNECTORS, 20-PIN, SYSTEM D 2.5
Connector system JPT/MDK/DFK:
- IN-LINE CONNECTORS, 2-PIN, SYSTEM JPT ELA
- IN-LINE PLUGS, 2-PIN, SYSTEM MDK 3 PLUS 2.8
- IN-LINE PLUGS, 4-PIN, SYSTEM DFK ELA
Connector system Elo/Elo Power:
- INLINE PLUGS, 4-, 10-PIN, SYSTEM ELO
- IN-LINE CONNECTORS, 6- TO 50-PIN, SYSTEM ELO
- INLINE PLUGS, 3-, 6-PIN, SYSTEM ELO-POWER 2.8
Connector system LSK:
- CONNECTOR HOUSING LSK CONTACT
Connector system MQS/MPQ:
- INLINE CONNECTORS, 6-, 8-PIN, SYSTEM MQS
- INLINE PLUGS, 2-PIN, SYSTEM MPQ 2.8
- CONTROL UNIT CONNECTORS, 25-, 35-, 55-, 83-, 88-PIN
- IN-LINE PLUGS, 24-PIN, HYBRID SYSTEM MQS/MPQ
- SOCKET HOUSING 42-, 43-PIN, HYBRID SYSTEM MQS/MPQ
- SOCKET HOUSINGS 2X21-, 2X27-
- PIN, HYBRID SYSTEM MQS/MPQ, ELO/ELO POWER
- IN-LINE CONNECTORS, 30-PIN, HYBRID SYSTEM MQS/MPQ
- SOCKET HOUSINGS, 5-, 8-PIN, SYSTEM MQS/MPQ
- SOCKET HOUSING (RADIO CONNECTOR), HYBRID SYSTEM MQS/MPQ
Observe SAFETY INFORMATIONS FOR HANDLING VEHICLE BATTERY .
Before disconnecting battery:
Turn off the ignition and other electrical loads/consumer ...
The following applies in general:
To avoid damage, observe the following instructions:
Avoid compressive and tensile loads
To ensure profession ...
Other materials:
BMW X3 Service & Repair Manual > Engine electrical system: Socket WAF 46
Socket WAF 46 Mechanical tool
NOTE: (Socket) AF 18
Socket WAF 46 Minimum set: Mechanical tools AM
NOTE: (Spark plug wrench) WAF 16 mm S50, M40, M42, M43, M44, M50, M52, M60, M62,
M70, M73, W10, W11, N40, N42, N43, N73, N73H
Storage Location
A9
Socket WAF 46 Mechanical tool
NOTE: (Socket) AF ...