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▷ Service and Warranty Information Booklet for
US models.
▷ Warranty and Service Guide Booklet for
Canadian models.
If the vehicle is not maintained according to
these specifications, this could result in damag‐
ing the vehicle. Such damage is not covered by
the BMW New Vehicle Limited Warranty.
Data memory
General information
Electronic control devices are installed in the ve‐
hicle. Electronic control units process data they
receive from vehicle sensors, self-generate or
exchange with each other. Some control units
are necessary for the vehicle to function safely or
provide assistance during driving, for instance
driver assistance systems. Furthermore, control
units facilitate comfort or infotainment functions.
Information about stored or exchanged data can
be requested from the manufacturer of the vehi‐
cle, in a separate booklet, for example.
Personal reference
Each vehicle is marked with a unique vehicle
identification number. Depending on the country,
the vehicle owner can be identified with the vehi‐
cle identification number, license plate and corre‐
sponding authorities. In addition, there are other
options to track data collected in the vehicle to
the driver or vehicle owner, for instance, via the
ConnectedDrive account that is used.
Operating data in the vehicle
Control units process data to operate the vehicle.
For example, this includes:
▷ Status messages for the vehicle and its indi‐
vidual components, e.g., wheel rotational
speed, wheel speed, deceleration, transverse
acceleration, engaged safety belt indicator.
▷ Ambient conditions, e.g., temperature, rain
sensor signals.
The processed data is only processed in the ve‐
hicle itself and generally volatile. The data is not
stored beyond the operating period.
Electronic components, e.g. control units and ig‐
nition keys, contain components for storing tech‐
nical information. Information about the vehicle
condition, component usage, maintenance re‐
quirements events or faults can be stored tem‐
porarily or permanently.
This information generally records the state of a
component, a module, a system, or the environ‐
ment, for instance:
▷ Operating states of system components, for
instance, fill levels, tire inflation pressure, bat‐
tery status.
▷ Malfunctions and faults in important system
components, for instance lights and brakes.
▷ Responses by the vehicle to special situa‐
tions such as airbag deployment or engage‐
ment of the driving stability control systems.
▷ Information on vehicle-damaging events.
The data is required to perform the control unit
functions. Furthermore, it also serves to recog‐
nize and correct malfunctions, and helps the ve‐
hicle manufacturer to optimize vehicle functions.
The majority of this data is volatile and is only
processed within the vehicle itself. Only a small
share of the data is stored event-related in event
or fault memories.
When servicing, for instance during repairs, serv‐
ice processes, warranty cases, and quality assur‐
ance measures, this technical information can be
read out from the vehicle together with the vehi‐
cle identification number.
A dealer’s service center or another qualified
service center or repair shop can read out the in‐
formation. The socket for OBD Onboard Diagno‐
sis required by law in the vehicle is used to read
out the data.
The data is collected, processed, and used by
the relevant organizations in the service network.
Seite 12
NOTES
Information
12
Online Edition for Part no. 01402720932 - II/19
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