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).
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Fig. 177: Identifying Power Distribution Box With Plug Connection And Nuts
Disconnect all plug connections.
Remove power distribution box (1).
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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
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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
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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
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Fig. 181: Identifying Plier
Crimping stop parts (small contacts) and butt connectors
- Special tool 61 4 320
- Tool without crimping head
- Crimping head (STRIPPING INSULATION AND CUTTING FIBRE-OPTIC CABLES TO LENGTH)
- Crimping head (CRIMPING FIBRE-OPTIC CABLE CONTACTS)
- Crimping head (CRIMPING MQS CONTACTS)
- Crimping head (CRIMPING MPQ CONTACTS)
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Fig. 182: Identifying Crimping Heads
- Replacement blade (face-cutting fibre-optic cables)
- Replacement blade with tool (insulation stripping unit)
- 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 )
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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
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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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Distribution Box, Power Support Points
WARNING: Observe SAFETY INSTRUCTIONS for handling vehicle battery.
Necessary preliminary work
Disconnect BATTERY CABLE
Fold up covers (1). Unscrew nuts (2).
Tightening torque 61 21 2AZ.
Unscrew n
(Safety) Information On AGM Battery
Fig. 188: Identifying AGM Battery
Introduction
In September 2002, the first so-called VRLA batteries, better known as AGM
batteries came into use. (VRLA
means V alve R egulated L ead A cid, i.e. lea
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Conducting Leak Test On Fuel Tank And Tank Venting System
IMPORTANT: On vehicles with tank leak diagnosis modules (DMTL), do not
work with
external pressurization as the tank ventilation system will leak under this
condition.
On account of emerging fuel vapors, carry out all work in well ventilated rooms.
Or use a suitable extractor system.
Observe cou
