Removing and Installing (Replacing) Battery (M5)

61 21 010 - Removing and installing (replacing) battery (M5)





Warning!
Observe safety instructions Technician Safety Information for handling vehicle battery.
Observe notes on power supply / on intelligent battery sensor (IBS).





Necessary preliminary tasks:
- Remove luggage compartment floor trim 51 47 101 Removing and Installing/Replacing Luggage Compartment Floor Trim Panel





Disconnect battery negative lead Instructions for Disconnecting and Connecting Battery(1).
Disconnect plug connection (2) of one-pin IBS cable (3).
Release nut (5) of safety battery terminal (4). Tightening torque 61 21 1AZ [1][2]Specifications.

Important!
Do not under any circumstances pull/lever safety battery terminal (4) off by force.

Detach safety battery terminal (4) towards top, lay to one side and secure.





Release nuts (1) and remove retaining bar (2).
Detach vent (3) in direction of arrow.
Fold both clips (4) open.
Lift out battery (5).

Installation Note:
- Make sure battery (5) is correctly seated in associated mounts.





Replacement:
- Read out fault memory, clear if necessary
- Register battery replacement