61 21 010 Removing and installing or replacing battery
WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Observe safety instructions
for handling vehicle battery.
Observe notes on power supply / on intelligent battery sensor. (IBS).
Observe notes on power supply / on intelligent battery sensor. (IBS).
Necessary preliminary tasks:
- Disconnect battery negative lead
Security version:
- Remove protective cover from distribution box/battery positive terminal (luggage compartment)
Disconnect plug connection (1) of IBS cable.
Unscrew nut (3). Tightening torque, see 61 21 1AZ in 61 21 BATTERY WITH TERMINAL
IMPORTANT:
Do not under any circumstances pull/lever safety battery terminal (2) off by force.
Detach safety battery terminal (2) towards top, lay to one side and secure.
Release nuts (4) and remove rollover protection (5).
Release threaded pin (1) and remove holder (2).
Detach vent (4) in direction of arrow.
Fold both clips (3) open.
Pull battery (5) back from front fixture and remove towards top.
Installation:
Make sure battery (5) is correctly seated in front fixture.
Replacement:
- Read out fault memory, clear if necessary
- Register battery replacement