BMW 3 SEDAN 2023 Series Owner's Manual page 194

CONTROLS
on the vehicle is too great or the power supply
was interrupted.
If you overwrite a USB drive multiple times, it
may not be possible to export recordings cor-
rectly.
The preferred file system for USB storage is
NTFS. Other file systems may have limitations.
Active Protection
Principle
Active Protection prepares occupants and the
vehicle for a possible accident in critical driving
or collision situations.
General information
Depending on vehicle equipment and national-
market version, Active Protection consists of
various PreCrash functions.
The system is used to detect certain critical
driving situations that might lead to an acci-
dent. This includes the following critical driving
situations:
▷ Emergency braking.
▷ Severe understeering.
▷ Severe oversteering.
Certain functions of several systems can,
within the system limits, lead to Active Protec-
tion triggering:
▷ Forward Collision Warning with braking
function: automatic brake intervention.
▷ Forward Collision Warning with braking
function: brake booster.
▷ Rear-end collision preparation: detection of
impending rear-end collisions.
194
Safety
Online Edition for Part no. 01405A8A749 - VI/23
Safety information
Warning
The system cannot serve as a substitute for
the driver's personal judgment. Due to the
system limits, critical situations might not be
detected reliably or in time. There is a risk
of accident. Adjust driving style to traffic con-
ditions. Watch surrounding traffic closely and
actively intervene where appropriate.
Function
Depending on the equipment and require-
ments, the following individual functions are
active in accident-critical driving situations:
▷ Automatic closing of the windows.
The windows remain open with a small
gap.
▷ The glass sunroof/panoramic glass sunroof
closes automatically.
The sun protection is also closed.
▷ Automatic positioning of the backrest for
the front passenger seat.
Systems can be returned to the desired set-
tings following a critical driving situation with-
out accident.
PostCrash – iBrake
Principle
In certain accident situations, the PostCrash –
iBrake can automatically bring the vehicle to a
standstill without intervention by the driver.
General information
The PostCrash – iBrake can reduce the risk of
a further collision and its consequences.