BMW 3: Replacing the battery
1. Remove the integrated key from the vehicle key.
2. Place the integrated key underneath the battery compartment cover, arrow 1, and lift the cover with a lever movement of the integrated key, arrow 2.
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3. Push battery in the direction of the arrow using a pointed object and lift it out.
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4. Insert a type CR 2032 battery with the positive side facing up.
5. Press the cover closed.
6. Push the integrated key into the vehicle key until the integrated key engages.
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Have old batteries disposed of by
a dealer's
service center or another qualified service center or repair shop or take them
to a
collection point.
Additional vehicle keys
Additional vehicle keys are available from a service center or another qualified service center or repair shop.
Loss of vehicle keys
A lost vehicle key can be blocked and replaced by a dealer's service center or another qualified service center or repair shop.
If the lost vehicle key has an assigned driver profile, the connection to this vehicle key must be deleted. A new vehicle key can then be assigned to the driver profile.
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Malfunction
General information
A Check Control message is displayed.
Vehicle key recognition by the vehicle may malfunction
under the following circumstances:
The battery of the vehicle key is discharged.
In
Integrated key
General information
The driver's door can be locked and unlocked
without the vehicle key using the integrated key.
The integrated key also fits the glove compartment.
Safety information
Warning
For
Buttons for the central
locking system
General information
In the event of a severe accident, the vehicle is
automatically unlocked. The hazard warning system
and interior lights come on.
Overview
Buttons for the central locking system.
L
SEE MORE:
General information, Safety information
General information
When using run-flat tires or a flat tire kit, a wheel
does not always need to be changed immediately
when there is a loss of tire inflation pressure
due to a flat tire.
If needed, the tools for changing wheels are
available as accessories from a dealer's service
center or anothe
Power electronics in the convenience charging electronics
The power electronics for the conversion of the AC voltage from the charging
socket to direct current
voltage, which is required for charging the high-voltage battery unit, are
housed in the convenience
charging electronics. The AC voltage is supplied as a single phase. The input
voltage, which c
