BMW X1 Owner's Manual page 11

Maintenance
Maintain the vehicle regularly to sustain the
road safety, operational reliability and the New
Vehicle Limited Warranty.
Specifications for maintenance measures:
▷ BMW maintenance system.
Maintenance, refer to page 351.
▷ Maintenance Booklet, available online and
accessible via a QR code in the New Vehi-
cle Limited Warranty Booklet.
▷ Warranty and Service Guide Booklet for
Canadian models.
If the vehicle is not maintained or is improperly
maintained, this could result in serious dam-
age to the vehicle.
A failure to maintain the vehicle or improper
maintenance may affect your warranty cover-
age. Please consult the New Vehicle Limited
Warranty Booklet for further information on
warranty matters.
Refer to section on engine oil change re-
garding recommended service intervals for oil
changes.
Data memory
General information
Electronic control devices are installed in the
vehicle. Electronic control units process data
they receive from vehicle sensors, self-gener-
ate or exchange with each other. Some con-
trol units are necessary for the vehicle to func-
tion safely or provide assistance while driving,
for instance driver assistance systems. Fur-
thermore, control units facilitate comfort or in-
fotainment functions.
Information about stored or exchanged data
can be requested from the manufacturer of the
vehicle, in a separate booklet, for example.
Online Edition for Part no. 01405A8A536 - VI/23
Information
Personal reference
Each vehicle is marked with a unique vehicle
identification number. Depending on the coun-
try, the vehicle owner can be identified with the
vehicle identification number, license plate and
corresponding authorities. In addition, there
are other options to track data collected in the
vehicle to the driver or vehicle owner such as
via the ConnectedDrive account that is used.
Operating data in the vehicle
Control units process data to operate the vehi-
cle.
For example, this includes:
▷ Status messages for the vehicle and its
individual components, e.g., wheel RPM,
wheel speed, deceleration, lateral accelera-
tion, engaged seat belt indicator.
▷ Ambient conditions, e.g., temperature, rain
sensor signals.
The processed data is only processed in the
vehicle itself while the vehicle is being oper-
ated. Data is not stored beyond the operating
time.
Electronic components, e.g. control units and
vehicle keys, contain components for storing
technical information. Information about the
vehicle condition, component usage, mainte-
nance recommendations, events or faults can
be stored temporarily or permanently.
This information generally documents the
state of a component, a module, a system, or
the surrounding area, for instance:
▷ Operating states of system components
such as fill levels, tire pressure, battery sta-
tus.
▷ Malfunctions and faults in important sys-
tem components, for instance lights and
brakes.
▷ Responses by the vehicle to special driving
situations such as airbag deployment or
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