LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2013 >> 750i >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Engine Electrical System - Repair (N63) >> 1242 Starter Lead >> 12 42 550 Replacing battery positive lead between starter, alternator and battery positive terminal (N63) >> Necessary preliminary tasks

Necessary preliminary tasks

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).

Fig 1: Identifying Screw, Battery Positive Lead And Retainers
G06888993Courtesy of BMW OF NORTH AMERICA, INC.

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.

Fig 2: Identifying Left Charge-Air Duct And Clamp
G06888994Courtesy of BMW OF NORTH AMERICA, INC.

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.

Fig 3: Identifying Clean-Air Pipe, Hoses And Screw
G06888995Courtesy of BMW OF NORTH AMERICA, INC.

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.

Fig 4: Identifying Battery Positive Lead And Cover
G06888996Courtesy of BMW OF NORTH AMERICA, INC.

Release battery positive lead (1) from retainers (2).

Fig 5: Identifying Battery Positive Lead And Retainers
G06888997Courtesy of BMW OF NORTH AMERICA, INC.

Release battery positive lead (1) from retainer (2).

Fig 6: Identifying Battery Positive Lead And Retainer
G06888998Courtesy of BMW OF NORTH AMERICA, INC.

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.

Fig 7: Identifying Screws, Nut And Battery Positive Lead
G06888999Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Reassemble the vehicle.
Check stored fault message.
Delete fault memory.