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:
Functions
Overview
The following outside mirror functions are possible depending on the vehicle
equipment:
Mirror adjustment in up/down and left/right directions
Mirror heating
Mirror fold-in
Electrochromic mirror, outside mirror with memory function
Automatic parking function
Manual adjustment
Motor
Replacing Engine Support In Front Of Wheel Arch, Left
Observe procedure of REPAIR STAGE 3.
Read CONTENTS OF BODY, GENERAL.
Steel-aluminium composite construction is used on the vehicle.
Observe specific procedures for OPENING ADHESIVE BONDS, BONDING ALUMINIUM ON
STEEL,
and OPENING RIVETED JOINTS.
Use only approved spot-welding apparatus for repair
