61 12 013 Replacing battery negative lead

WARNING: This page is about a different variant/trim than selected.

WARNING: Observe Safety Instructions for handling vehicle battery.

Necessary preliminary tasks:

Disconnect plug connection (1).

Slacken nut (2) on battery negative terminal.

For tightening torque refer to 61 21 1AZ in 61 21 BATTERY WITH TERMINAL .

IMPORTANT: Do not under any circumstances use force to pull off pole shoe.

Do not under any circumstances release sockethead cap screw of IBS.

Detach battery negative lead (3) with intelligent battery sensor (IBS) in upward direction.

Release nut (4) and remove cable.

Fig 1: Identifying Plug Connection, Nut And Negative Battery Lead

Courtesy of BMW OF NORTH AMERICA, INC.

Vehicles up to 12/2006 with IBS:

NOTE: IBS2004 is replaced by IBS2006.

Remove battery crash element without replacing

Fig 2: Identifying Battery Crash Element
Courtesy of BMW OF NORTH AMERICA, INC.