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:
Depending on the equipment
version: emergency brake
function, Active PDC
Concept
The emergency braking function of PDC initiates
an emergency braking in case of acute risk of
collision.
General information
This function may not be available. Contact your
authorized dealer's service center or another qualified service center as to
whether this additional
function is curr
DC/DC converter
The DC/DC converter in the Electrical Machine Electronics of the G20 PHEV is
able to adopt the
following operating modes:
Standby (also in the event of a component fault or short circuit, power
electronics off)
Buck mode (energy flow to the low-voltage side, converter adjusts
voltage on
