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.

Observe notes on power supply /on intelligent battery sensor (IBS).

Necessary preliminary tasks:

Loosen nut (1). Tightening torque, see 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 socket-head cap screw of IBS.

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

Courtesy of BMW OF NORTH AMERICA, INC.

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

Disconnect plug connection (3).

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

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, see 61 12 5AZ in 61 12 AUXILIARY CABLE .