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Home >> BMW >> 2017 >> i3 Range Extender >> Repair and Diagnosis >> Accessories & Equipment >> Memory Modules >> General Electrical System - Repair >> Battery (Vehicles With Range Extender) >> 61 21 010 Remove and install or replace battery

61 21 010 Remove and install or replace battery

WARNING: High-voltage system - risk of serious injury or death. 
The following points must be strictly observed prior to starting work  :
Disconnect HIGH-VOLTAGE SYSTEM  from power
Observe SAFETY INFORMATION  for handling electric/hybrid vehicles.
WARNING: Observe SAFETY INFORMATION  for handling vehicle battery.
Follow instructions for DISCONNECTING AND CONNECTING BATTERY .
Follow instructions on INTELLIGENT BATTERY SENSOR (IBS) .

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 work: 

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.
Fig 1: Opening Battery Cover
G11147918Courtesy of BMW OF NORTH AMERICA, INC.

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

Release screws.

Tightening torque 61 21 5AZ .

Remove retaining brackets (1).

Pull off vent hose.

Remove battery (2).

Installation note: 

Make sure battery (2) is correctly seated in fixture.

Fig 2: Locating Battery Retaining Bracket Screws
G11147919Courtesy of BMW OF NORTH AMERICA, INC.

Replacement: