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Home >> BMW >> 2011 >> 323i Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Engine Electrical System - Repair - E90 (N52) >> 1242 Starter Lead >> 12 42 500 Replacing battery positive lead (between starter, alternator and battery positive terminal) >> Necessary preliminary tasks

Necessary preliminary tasks

Remove protective cap (not shown).

Unfasten nut.

Tightening torque 12 42 1AZ .

Remove battery positive lead (1) from battery positive terminal.

Fig 1: Identifying Battery Positive Lead On Battery Positive Terminal
G04751340Courtesy of BMW OF NORTH AMERICA, INC.

Release nut and remove battery positive lead (1) from alternator.

Tightening torque 12 31 1AZ .

Fig 2: Locating Battery Positive Lead Nut
G04751341Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug (1) and remove.

Unfasten nut.

Tightening torque 12 41 3AZ .

Detach battery positive lead (2) from starter motor and remove.

Fig 3: Identifying Plug And Battery Positive Lead
G04751335Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Check stored fault messages.
Delete fault memory.
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