61 21 010 Remove and install or replace battery

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Observe SAFETY INFORMATION for handling vehicle battery.

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 .

Necessary preliminary tasks:

CLAMP OFF BATTERY LEAD FROM NEGATIVE CONNECTION POINT

NOTE: Work shown on the F30 by way of example, deviations in detail are possible in other models.

Open cover (1) and release nut (2) below it.

Tightening torque 61 21 1AZ .

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

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

Fig 1: Identifying Safety Battery Terminal, Cover And Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque 61 21 5AZ .

Remove retaining brackets (2).

Detach vent hose (3) from battery (4).

Fig 2: Identifying Vent Hose, Battery, Retaining Brackets And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

Always route degassing line (1) at a downhill gradient outwards to prevent any siphonic action!
Fig 3 depicts an incorrect installation, Fig 3 depicts a correct installation.

Fig 3: Identifying Proper Routing Of Degassing Line

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1) and remove holder (2).

Tightening torque 61 21 5AZ .

Remove battery.

Installation note:

Make sure battery is correctly seated in mounting.

Fig 4: Identifying Screw And Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement: