BMW 7 Series (F01/F02) 2008-2015 Service Manual / General Electrical System / Troubleshooting
BMW 7 Series: Troubleshooting
- Battery Replacement Information
- Diagnosis For Condition Based Service
- General Information On Intelligent Battery Senor (IBS)
- Instructions For Opening Contacts And Locks Of Different Plug Contact Systems
- Notes On Handling Optical Fibres
- Repairing Airbag Cables
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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
Diagnosis For Condition Based Service
NOTE: Red symbol for pre-delivery check
The vehicle is coded at the end of the assembly line so that the red symbol
for the pre-delivery check is shown
in the Next Service display (same symbol as veh
General Information On Intelligent Battery Senor (IBS)
NOTE: Do not connect the charger to the 12 V charging socket.
The 12 V charging socket is supplied with voltage by the rear power
distribution box via relay. This relay drops
out after terminal 15 OF
SEE MORE:
Output Shaft
NOTES ON REMOVING AND INSTALLING LOW PROFILE BAND CLAMPS
Notes
IMPORTANT: During removal Low Profile band clamp (dotted line) is
overstretched and must
not be reused!
Fig. 82: Identifying Low Profile Band Clamp (Dotted Line)
Removing
Place special tool 31 5 200 on tabs (1, 2).
NOTE: Make sure that
Ignition Coil
NOTES ON CHECKING IGNITION SYSTEM
Troubleshooting
Fault in fuel injection system
Spark plug faults
Ignition coil faults
Further fault patterns with evaluation
Additional fault notes for troubleshooting
Oscillograms
Normal oscillogram
Oscillograms of ignition coils from different manufactur
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