61 12 002 Replacing battery positive lead

WARNING: This page is about a different car, the 2013 BMW Z4, 2012 BMW Z4, 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Observe SAFETY INSTRUCTIONS for handling vehicle battery.
Follow instructions for DISCONNECTING AND CONNECTING BATTERY .

Necessary preliminary tasks

Clamp off BATTERY NEGATIVE LEAD

Unlock and disconnect plug connection for safety battery terminal (1).

IMPORTANT: Do not under any circumstances use force to pull off safety battery terminal.

Loosen nut (2).

Tightening torque 61 21 1AZ .

Unscrew nut (3).

Tightening torque 61 12 1AZ

Release attachment point (4).

Release screw (5).

Tightening torque 61 12 3AZ .

Disconnect battery positive lead (6).

Fig 1: Identifying Battery Positive Lead Screw And Battery Terminal With Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Make sure battery positive lead (6) is correctly routed.