BMW 5 Series: Limits of the system
The collision warning has a limited capacity for detection. As a result,
incorrect or delayed warnings
may occur and consequently Evasion Aid is limited in its operation. It is also
possible that the following
vehicles are not detected:
- A slow vehicle when driving off at high speed.
- Vehicles that suddenly swerve or decelerate rapidly.
- Vehicles with an unusual rear view or with insufficiently visible rear
lights.
- Partially concealed vehicles.
- Two-wheeled vehicles travelling ahead.
The function of the KAFAS stereo camera and the radar sensors, and thus the
function of Evasion Aid
may be impaired in the following situations:
- Heavy fog, rain, spray or snow.
- Insufficient light.
- Strong light in the camera lens.
- If the field of view of the KAFAS stereo camera or the windscreen is
dirty.
- On sharp bends.
- Up to 10 seconds after engine start via the START-STOP button.
- On restriction or deactivation of the driving dynamics systems, for
example DSC OFF.
- During the calibration process for the KAFAS stereo camera immediately
after vehicle
delivery or a camera change.

Evasion Aid does not release the driver from his comprehensive
responsibility as the driver. There can
be functional limitations because of system restrictions.
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The Advanced Crash Safety Module must fulfil the following crash-relevant
functions:
Evaluating the sensor signals
Impact detection
Determining actuators to be activated
Specifying the trigger time and trigger sequence
Activation of the ignition circuit output stages
Sending the crash messag
Features:
Chain drive at the side of the engine emitting the forces
Single-part chain drive for driving the camshafts
Single sleeve-type chain 8 mm
Electric motor of the combined oil-vacuum pump via a separate chain
Plastic tensioning and guide rail
Hydraulic chain tensioner with spring