BMW 7 Series: 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 nut (3).
Tightening torque 61 21 3AZ.
Disconnect plug connection (4).
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Fig. 184: Identifying Battery Cover, Nuts And Plug Connection
Press locking brackets (1) downwards and unclip in direction of arrow.
If necessary, using a screwdriver, expand locking bracket (1) at lower end and clip out.
Remove distribution box (2) towards top.
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Fig. 185: Pressing Locking Brackets
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. 186: Identifying Power Distribution Box With Plug Connection And Nuts
Disconnect all plug connections.
Remove power distribution box (1).
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Fig. 187: Identifying Power Distribution Box
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(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
Battery Replacement Information
A vehicle battery is constructed for the installation location and the
individual power requirements of the
particular vehicle. These individual power requirements depend on the
motorization and dif
SEE MORE:
Drive, Heating/Ventilation/Air Conditioning
REPLACING FAN FOR THIGH SUPPORT ON FRONT SEAT
Necessary preliminary tasks
Remove padding for thigh support.
Remove separating net (1).
Lift out fan (2).
Fig. 51: Identifying Front Seat Thigh Support Fan And Separating Net
REPLACING FANS FOR BACKREST ON FRONT SEAT
Necessary preliminary tasks
Front Seat Heating
The seat heating is standard as part of the comfort seats. The seat module is
functionally responsible for seat
heating.
The seat heating can only be activated from terminal 15 ON. The status of
terminal 15 ON is issued by the Car
Access System 4 via the K-CAN2. The junction box electronics thus
