61 21 010 Removing And Installing Or Replacing Battery

Necessary preliminary tasks: 

• Remove RIGHT COWL PANEL COVER

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

Disconnect BATTERY NEGATIVE LEAD  (2) and secure at side.

Loosen nut (3). Tightening torque 61 21 1AZ .

Remove battery positive lead (4).

Detach vent hose (5).

Release screw (6) and remove with holder. Tightening torque 61 21 2AZ .

Lift out battery.

Installation: 

• Make sure battery is correctly seated in associated fixture.
  Fig 1: Identifying Battery Lead Holder And Nut

  Courtesy of BMW OF NORTH AMERICA, INC.

Replacing version with intelligent battery sensor (IBS): 

• Read out fault memory, clear if necessary
• On vehicles with IBS (intelligent battery sensor) register battery replacement:

  BMW Diagnosis system: 

  Register battery replacement

  • Service functions
  • Body
  • Voltage supply
  • Register battery replacement