BMW 5 Series: Rear collision preparation
Concept
The system reacts to vehicles approaching from
behind.
General information

Two radar sensors in the rear bumper monitor
the area behind the vehicle.
When a vehicle approaches from the rear at a
certain speed, the system responds as follows:
- Active Protection: when a
collision seems to be unavoidable, PreCrash
functions are triggered.
Safety information
Warning
The system cannot serve as a substitute for the
driver's personal judgment in assessing visibility
and traffic situation. There is a risk of accident.
Adjust driving style to traffic conditions. Watch
traffic closely and actively intervene where appropriate.
Warning
Indicators and warnings cannot serve as a substitute
for the driver's personal judgment. Due
to its limits, the system may not issue warnings
or reactions, or these may be issued late or in a
manner that is not consistent with their normal
use. There is a risk of accident. Adjust driving
style to traffic conditions. Watch traffic closely
and actively intervene where appropriate.
Overview
Radar sensors

The radar sensors are located in the rear
bumper.
Always keep the bumper in the area of the radar
sensors clean and unobstructed.
Switching on/off
The system is automatically active after every
driving off.
The system is deactivated in the following situations:
System limits
The system may not be fully functional in the following
situations:
- When a vehicle is approaching at a speed
much faster than your own.
- When the approaching vehicle approaches
slowly.
- In heavy fog, wet conditions, or snowfall.
- In tight curves or on narrow lanes.
- If the bumper is dirty, iced up, or covered,
for instance by stickers.
- If the field of view of the sensors is covered,
e.g., by garage walls, hedges or snow hills.
- If cargo protrudes.
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Concept
Active Protection prepares occupants and the
vehicle for a possible accident in critical driving or
collision situations.
General information
Active Protection consists of various PreCrash
fun
Concept
In the event of an accident, the system can bring
the vehicle to a halt automatically without intervention by the driver in
certain situations. This
can reduce the risk of a further collision
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Concept
The vehicle can be accessed without operating
the vehicle key.
Carrying the vehicle key with you, e.g., in your
pants pocket, is sufficient.
The vehicle automatically detects the vehicle key
when it is in close proximity or in the car's interior.
Unlocking the vehicle
Grasp the handle of
Concept
The system may prevent some accidents. In the
event of an accident, the system may reduce impact
speed.
The system sounds a warning before an imminent
collision and activates brakes independently,
if needed.
General information
Depending on the equipment version, the system
is controlled by