BMW 7 Series: Battery/Vapor Separator
CARRYING OUT BATTERY "POWER RESET"
IMPORTANT: Observe SAFETY INSTRUCTIONS FOR HANDLING VEHICLE BATTERY.
The following steps must be carried out for a "power reset"
- Switch off and disconnect battery charger
- Turn off ignition
Vehicles with ID transmitter:
Remove identification sensor from slot
Vehicles with comfort access system: Make sure terminal is in 0 position - Disconnect battery negative terminal
- Reconnect battery negative terminal (to ensure bus activity)
- Waiting time (5- -10 seconds)
- Disconnect battery negative terminal
- Waiting time (1 minute)
- Connect battery negative terminal and tighten, tightening torque 61 21 1AZ
- Connect and switch on battery charger
- Switch on ignition.
CHARGE BATTERY
WARNING: Read and comply with SAFETY INSTRUCTIONS pertaining to vehicle battery.
IMPORTANT: To prevent the intelligent battery sensor from malfunctioning, use the charging points in the engine compartment.
NOTE: Use BMW-recommended charging computers* to charge the battery.
*Sourcing reference BMW Workshop Equipment Catalogue
REMOVE AND INSTALL OR REPLACE BATTERY
WARNING: Observe SAFETY INFORMATION for handling the battery.
To ensure the correct safety and convenience functions, install only the original battery (battery size and type) stored in the vehicle order. OBSERVE NOTE ON BATTERY REPLACEMENT.
Necessary preliminary work
- Remove POWER DISTRIBUTION BOX
Fold back cover (1) as shown.
Slacken nut (2).
Tightening torque 61 21 1AZ.
IMPORTANT: Do not under any circumstances pull/lever safety battery terminal off by force.
Detach safety battery terminal towards top, lay to one side and secure.
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Fig. 192: Identifying Battery Back Cover And Nut
Release screw (1) and remove holder (2).
Tightening torque 61 21 5AZ.
Detach vent hose from battery.
Pull out battery.
Installation note: Make sure battery is correctly seated in mounting.
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Fig. 193: Identifying Battery Screw And Holder
Replacement:
1. In vehicles with IBS (intelligent battery sensor)
REGISTER battery replacement.
2. Read out fault memory, clear if necessary.
NOTE:
- Check Control message disappears when fault memory is cleared. This requires that the registration is performed first.
TESTING BATTERY WITH BATTERY TESTER
WARNING: Read and comply with SAFETY INFORMATION pertaining to vehicle battery.
Necessary preliminary work
Remove LUGGAGE COMPARTMENT FLOOR TRIM PANEL.
NOTE: Use BMW-recommended battery tester* to test the battery.
*Sourcing reference BMW Workshop Equipment Catalogue
Procedure:
- Turn off ignition and close doors
- Connect battery tester directly to battery terminals
- Select Battery test and confirm
- Enter vehicle identification number
- Enter battery data
- Carry out battery test
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Fig. 194: Identifying BMW-Recommended Battery Tester
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Carrying Out Steering Angle Sensor Adjustment
IMPORTANT: In vehicles with active steering, steering angle sensor
adjustment is integrated
in the service function "INITIAL OPERATION/ADJUSTMENT FOR ACTIVE
STEERING " and must not be carried out sep
Removing And Installing (Replacing) Front Controller
IMPORTANT: Risk of damage!
The button for the controller must not be removed!
Necessary preliminary work
Remove CENTRE CONSOLE TRIM
Release screws (1).
Tightening torque 61 31 2AZ.
Remove control
SEE MORE:
Snow chains
Safety information
Warning
With the mounting of snow chains on unsuitable
tires, the snow chains can come into contact
with vehicle parts. There may be a risk of
accident or risk of damage to property. Only
mount snow chains on tires that are designated
by their manufacturer as suitable for th
Service Information
Initialization
Initialization of the slide/tilt sunroof involves the following procedures
that are necessary to ensure complete
functionality of the slide/tilt sunroof:
Normalization
Normalization means locating the mechanical end position at the stop for the
tilt position. This position is st
