61 12 013 Replacing battery negative lead

WARNING: Observe SAFETY INSTRUCTIONS for handling vehicle battery.
Follow instructions for DISCONNECTING AND CONNECTING BATTERY .
Observe notes on power supply/on intelligent battery sensor (IBS).

Necessary preliminary tasks:

Remove RIGHT LUGGAGE COMPARTMENT WHEEL ARCH TRIM

Loosen nut (1). Tightening torque 61 21 1AZ .

IMPORTANT: Do not under any circumstances use force to pull off pole shoe.
Do not under any circumstances release socket-head cap screw of IBS.

Detach battery negative lead (2) in upward direction from battery.

Disconnect plug connection (3).

Release screws (4) and remove cable guide (5).

Fig 1: Identifying Battery Negative Lead And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Make sure battery positive lead (2) is laid correctly in cable guide (5).

Release nut (6) and disconnect battery negative lead (2). Tightening torque 61 12 5AZ .