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Home >> BMW >> 2007 >> 335i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (General Electrical System - Repair - E90/91) >> 20 Battery >> 61 20 900 Disconnecting and connecting battery negative lead

61 20 900 Disconnecting and connecting battery negative lead

WARNING: This page is about a different variant/trim than selected.
WARNING: Observe Safety Instructions  for handling vehicle battery.

Follow Instructions for disconnecting and connecting battery

IMPORTANT: Do not under any circumstances use force to pull/lever off Intelligent Battery Sensor (IBS). 

Necessary preliminary tasks: 

Loosen nut (1).

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

Disconnect battery negative lead (3) and secure at side.

Fig 1: Identifying Nut And Battery Negative Lead
G04727571Courtesy of BMW OF NORTH AMERICA, INC.


WARNING: Observe Safety Instructions  for handling vehicle battery.

Follow Instructions for disconnecting and connecting battery

IMPORTANT: Do not under any circumstances use force to pull/lever off Intelligent Battery Sensor (IBS). 

Necessary preliminary tasks: 

Loosen nut (1).

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

Disconnect battery negative lead (3) and secure at side.

Fig 1: Identifying Nut And Battery Negative Lead
G04727571Courtesy of BMW OF NORTH AMERICA, INC.