BMW 7 Series: Replacing Battery Positive Lead Between Starter, Alternator And Battery Positive Terminal (N63)
Necessary preliminary tasks
- Read out fault memory of DME control unit
- Turn off ignition
- Disconnect BATTERY NEGATIVE LEAD
- Remove RIGHT INTERCOOLER
- Remove RIGHT INTAKE MANIFOLD
Open cover.
Release screw (1).
Tightening torque 12 42 3AZ.
Remove battery positive lead (2) from battery positive terminal.
Release battery positive lead (2) from retainers (3).
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Fig. 65: Identifying Screw, Battery Positive Lead And Retainers
Release clamp (1).
Tightening torque 13 71 8AZ.
Release clamp (2).
Replace clamp (2).
Remove left charge-air duct (3).
Check gasket on turbocharger. Replace damaged gasket.
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Fig. 66: Identifying Left Charge-Air Duct And Clamp
Detach hose (1) from clean-air pipe.
Release screw (2).
Tightening torque 13 71 1AZ.
Detach clean-air pipe (3) in direction of travel from turbocharger.
Check gasket on clean-air pipe. Replace damaged gasket.
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Fig. 67: Identifying Clean-Air Pipe, Hoses And Screw
Detach cover (1) and release nut underneath.
Tightening torque 12 42 1AZ.
Installation: Reinstall cover (1) without fail.
Risk of short circuits!
Disconnect battery positive lead (2) from alternator.
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Fig. 68: Identifying Battery Positive Lead And Cover
Release battery positive lead (1) from retainers (2).
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Fig. 69: Identifying Battery Positive Lead And Retainers
Release battery positive lead (1) from retainer (2).
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Fig. 70: Identifying Battery Positive Lead And Retainer
Release screws (1).
Tightening torque 12 42 7AZ.
Release nut (2) on starter.
Tightening torque 12 42 2AZ.
Feed out battery positive lead (3) and remove.
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Fig. 71: Identifying Screws, Nut And Battery Positive Lead
NOTE: Reassemble the vehicle.
Check stored fault message.
Delete fault memory.
READ NEXT:
Replacing Safety Battery Terminal (SBK)
CAUTION: Observe safety regulations.
Investigate cause of triggering of safety battery terminal.
To do so, read out fault memory of airbag control unit. Note fault
messages stored in memory. Rectify
Replacing Wiring Harness Section For Engine (n63)
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC
DAMAGE (ESD PROTECTION).
Necessary preliminary work
Read out the fault memory of the DME control unit.
Switch off ignition.
SEE MORE:
Headlight Driver Module
The headlight driver module controls and monitors the stepper motors for the
adaptive headlights and the
headlight beam throw adjustment system of the respective bi-xenon headlight.
The integrated chassis management makes available the values for the dynamic
headlight beam throw
adjustment system
Widgets in the instrument
cluster
Concept
Displays for specific functions can be displayed
in the instrument cluster.
The following displays can be selected:
Current entertainment source, e.g., radio.
Torque and power.
Acceleration power, G meter.
Trip data.
Efficiency display.
Selecting
Continue to press the button on the
