BMW 7 Series: Replacing Power Distribution Box (Luggage Compartment)

WARNING: Observe SAFETY INSTRUCTIONS for handling vehicle battery.

Necessary preliminary work

• Clamp off BATTERY NEGATIVE LEAD
• Disconnect both negative battery cables at F03
• Remove FLAP IN LUGGAGE COMPARTMENT TRIM PANEL on right
• If necessary, remove right WHEEL ARCH PANEL (at F01/F02/03)

Disconnect plug connection (1).

Unscrew nuts (2).

Remove power distribution box (3).

Fig. 177: Identifying Power Distribution Box With Plug Connection And Nuts

Disconnect all plug connections.

Remove power distribution box (1).

Fig. 178: Identifying Power Distribution Box

SPECIAL TOOLS FOR WIRING HARNESS REPAIRS

Notes

Repair range, vehicle electrical system

Single parts for wiring harness repairs*

* Sourcing reference: BMW Parts Department

Fig. 179: Identifying Special Tools For Vehicle Electrical System Repairing

Release and press-out tool

• Special tool 61 0 300
• Special tool 61 0 400 (MINI N12/N14)
• Special tool 61 1 100 (engine)

Handling:

• INSTRUCTIONS FOR OPENING CONTACTS AND LOCKS of different plug contact systems

Fig. 180: Identifying Special Tool (61 0 300)

Cutting to length and stripping insulation from cables

Wire stripper MultiStrip10*

*Sourcing reference

Handling:

• CUTTING CABLES TO LENGTH AND STRIP INSULATION

Fig. 181: Identifying Plier

Crimping stop parts (small contacts) and butt connectors

• Special tool 61 4 320

1. Tool without crimping head
2. Crimping head (STRIPPING INSULATION AND CUTTING FIBRE-OPTIC CABLES TO LENGTH)
3. Crimping head (CRIMPING FIBRE-OPTIC CABLE CONTACTS)
4. Crimping head (CRIMPING MQS CONTACTS)
5. Crimping head (CRIMPING MPQ CONTACTS)

Fig. 182: Identifying Crimping Heads

6. Replacement blade (face-cutting fibre-optic cables)
7. Replacement blade with tool (insulation stripping unit)
8. Universal crimping head

Crimping stop parts (large contacts) and butt connectors

• Special tool 61 0 200 (crimping set)
• Special tool 61 0 210 (matrix set SLK 8)
• Special tool 61 0 220 (matrix set SLK 2.8)
• Special tool 61 0 230 (matrix set MAK 8/DFK4)
• Special tool 61 0 240 (butt connector 4.0 - 6.0 mm2 )

Fig. 183: Identifying Special Tools

TREATING CABLES AND FIBRE-OPTIC CABLES

Notes

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

SPECIAL TOOLS DESCRIPTION CHART

Subject of repair instructions

• SPECIAL TOOLS FOR WIRING HARNESS REPAIRS
• CUTTING CABLES TO LENGTH AND STRIP INSULATION
• Crimping stop parts (contacts)
• BUTT CONNECTOR FOR REPAIRING A PLUG CONNECTION
• COMB CONNECTOR FOR RETROFITTING/REPAIRS
• Cutting to length and stripping insulation from optical fibres and crimping optical fibres

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