61 21 010 Removing and installing (replacing) battery

WARNING: Observe SAFETY INSTRUCTIONS for handling vehicle battery.
Observe notes on POWER SUPPLY/INTELLIGENT BATTERY SENSOR/BATTERY ELECTRONICS .

To ensure the correct safety and convenience functions, install only the original battery (battery size and type) stored in the vehicle order. Observe notes on BATTERY REPLACEMENT .

IMPORTANT: Do not under any circumstances pull/lever safety battery terminal off by force.

Necessary preliminary tasks:

Remove DISTRIBUTION BOX

Detach vent (1) in direction of arrow.

Open cover (2) and slacken nut underneath.

Tightening torque 61 21 1AZ .

Detach safety battery terminal (3) towards top, lay to one side and secure.

Release threaded pin (4) and remove with holder.

Remove battery towards right side.

Installation:

Make sure battery is correctly seated in associated fixture.

Fig 1: Detaching Vent

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Read out fault memory, clear if necessary
On vehicles with IBS (intelligent battery sensor), register BATTERY REPLACEMENT .