LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2015 >> M235i 2D Convertible, Automatic Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Horns >> General Electrical System - Repair - F23 >> Battery >> 61 21 010 Remove and install or replace battery

61 21 010 Remove and install or replace battery

WARNING: Observe SAFETY INFORMATIONS 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 NOTE ON BATTERY REPLACEMENT .

Necessary preliminary tasks: 

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

Tightening torque: 61 21 1AZ .

IMPORTANT: Do not under any circumstances pull or lever off safety battery terminal (3) by force.

Remove safety battery terminal (3) towards top, lay to one side and fix in position.

Fig 1: Battery Terminal, Cover And Nut
G10149513Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts (1).

Tightening torque: 61 21 5AZ .

Remove retaining brackets (2).

Release vent hose (3).

Remove battery crash pad (4) towards top.

Fig 2: Battery Crash Pad, Vent Hose And Nut
G10143285Courtesy 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: Battery Degassing Line
G09928714Courtesy 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: Battery Screw And Holder
G09928715Courtesy of BMW OF NORTH AMERICA, INC.

Replacement: