BMW X5: Socket Housing (Radio Plug), Hybrid System MQS/MPQ

Manufactured by AMP : The following contact types without strand sealing can be fitted in the plug housings:

• MQS (Micro Quadlock System)
• MPQ, width 2.8 mm (Micro Power Quadlock)
• MPQ, width 5.2 mm (Micro Power Quadlock)

Removing MPQ contacts from radio plug:

Press lock (1) in direction of arrow.

Detach secondary lock (2) from radio plug.

Fig. 124: Pressing Lock

Feed special tool 61 1 135 past side of contact.

Press special tool 61 1 135 in direction of arrow.

Pull wire (1) with socket contact out of radio plug (2).

Fig. 125: Pressing Special Tool 61 1 135

Removing MQS contacts from contact carrier:

Press lock (1) in direction of arrow and pull housing (2) out of radio plug.

Fig. 126: Pressing Lock

Press lock (1) in direction of arrow. Pull contact carrier (2) out of housing (3).

NOTE: When the contact carrier is pulled out, the secondary locks of the socket contacts are raised.

Fig. 127: Pressing Lock

Hold down retaining hook (1) of socket contact in opening of contact carrier with a small screwdriver.

Pull wire with socket contact in direction of arrow as far as secondary lock (2).

NOTE: The illustration shows an 8-pin socket housing where removal of the contacts is identical.

Fig. 128: Pulling Wire With Socket Contact

Hold down arrester hook in secondary lock (1) again. Pull wire with socket contact (2) out of contact carrier (3).

Fig. 129: Pulling Cable With Socket Contact Out Of Contact Carrier

Removing MPQ contacts from contact carrier:

Remove contact carrier (1) with MQS contacts from radio plug.

Raise lock (2) on radio plug.

Pull contact carrier (3) out of radio plug.

Fig. 130: Pulling Contact Carrier Out Of Radio Plug

Press lock (1) in direction of arrow.

Pull secondary lock (2) in direction of arrow completely out of contact carrier (3).

Fig. 131: Pulling Secondary Lock Out Of Contact Carrier

Press special tool 61 1 135 on inside of contact into contact carrier (2).

Pull wire with socket contact (1) out of contact carrier (2).

Fig. 132: Pressing Special Tool 61 1 135 On Inside Of Contact Into Contact Carrier

TREATING CABLES AND FIBER-OPTIC CABLES

Special tools required:

• 61 1 190
• 61 4 320

NOTE: Special tools referred to in the repair instructions below are contained in the following special tool kits:

SPECIAL TOOL KITS REFERENCE

Subject of repair instructions

• Special tools for wiring harness repairs.
• Cutting to length and stripping insulation from cables.
• Crimping stop parts (contacts).
• Butt connector for repairing a plug connection.
• Fan connector for retrofitting/repairs.
• Cutting to length and stripping insulation from optical fibers.
• Crimping optical fibers.
• Insulation displacement connector for repairing ribbon cables.

REPLACING DISTRIBUTION BOX (LUGGAGE COMPARTMENT)

WARNING: Observe safety instructions for handling vehicle battery.

Necessary preliminary tasks:

• Disconnect battery negative lead.
• Remove flap in luggage compartment panel on right.

Release expansion rivet (1).

Remove insulating mat (2).

Fig. 133: Identifying Expansion Rivet And Insulating Mat

Disconnect plug connection (1).

Release bolts (2).

Disengage distribution box in direction of arrow.

Disengage emergency actuator (3).

Fig. 134: Disengaging Distribution Box

Disconnect plug connection (1).

Fig. 135: Identifying Plug Connection

Disconnect plug connection (1).

Remove distribution box.

Fig. 136: Identifying Plug Connection

Replacement:

Remove fuses and relays.

REMOVING AND INSTALLING/REPLACING INTERIOR FUSE BOX

Necessary preliminary tasks:

• Remove trim for instrument panel, bottom left.
• Disconnect battery negative lead.

Release screws (1).

Remove air duct (2).

Fig. 137: Identifying Air Duct

Release screw (1).

Slacken wiring harness in cable holder (2).

Fig. 138: Identifying Cable Holder

Disconnect plug connection (1).

Release screw (2).

Fig. 139: Identifying Plug Connection

Lever holders (1) at bulkhead out of fuse box (2) in direction of arrow.

Lower fuse box (2).

Fig. 140: Removing Holders

Disconnect plug connection (1).

Fig. 141: Identifying Plug Connection

Turn fuse box (1) and disconnect plug connections (2).

Detach plug connections (1) on back of fuse box (2).

Replacement:

Remove fuses and relays.

Remove junction box electronics.

Fig. 142: Identifying Plug Connections And Fuse Box

READ NEXT: