2024 BMW 2 Series Sensors User Guide

2024 BMW 2 Series Sensors User Guide

The 2024 BMW 2 Series is the pinnacle of automobile innovation. Its complex array of sensors is a great example of this. These high-tech sensors, which are carefully built into every part of the car, change the way you drive by offering unmatched safety, convenience, and speed. Advanced radar and camera systems are at the forefront of this technological marvel. They work together seamlessly to make the driver more aware and allow smart driving assistance features. Whether driving through a busy city or on the open highway, the 2024 BMW 2 Series’ sensors are always scanning its surroundings for possible dangers and helping the driver make split-second decisions. The accuracy of these sensors also improves the vehicle’s dynamic abilities, making sure that the traction control, adaptive suspension tuning, and fast handling are all at their best. To sum up, the 2024 BMW 2 Series raises the bar for how sensors should be integrated into cars, making the driving experience safer, more comfortable, and faster than ever before.

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Sensors

The system is controlled using the following sensors:

• Cameras behind the windscreen.
• With radar sensor: front radar sensor.

For further information:
Sensors in the vehicle, see page 43.

Switching the Collision Warning on/off

Switching on the system automatically
The system is automatically activated at the start of each journey.

Switching the system on/off manually
Depending on the equipment and national-market version, the Intelligent Safety Systems can be operated via the button or iDrive.

Observe the settings, display and op-eration in the Intelligent Safety chapter.

For further information: on Intelligent Safety, see page 196.

Setting the warning time

1. “CAR”
2. “Settings”
3. “Driver assistance”
4. “Safety and warnings”
5. “Front-collision warning”
6. Select the desired setting:
   1. “Early”
   2. “Medium”
   3. “Late”: only acute warnings are displayed.

Display in the instrument cluster

Depending on the equipment and national version:
Functional limitations detected, for example, due to system limits of the cameras or system failure. It is possible to continue driving. Where applicable, observe the information from Check Control messages.
For system limits of the cameras, see page 43.

 

 

Depending on the equipment and national version:
The system is switched off.

 

 

 

Warning with braking function

Display
If there is a risk of collision with a detected vehicle, a warning light is shown in the instrument cluster and, where applicable, in the Head-up display.

The warning light is illuminated red: warning.
Brake and increase the distance.

 

The warning light flashes red and a signal sounds acute warning.
Brake and take avoidance manoeuvre if necessary.

Warning

A warning is given for example if there is an impending risk of collision or the distance from the vehicle ahead is very short.

The driver must intervene personally when a warning is given.

Acute warning with brake function
An acute warning is given when the vehicle is approaching another object at a high differential speed and there is an immediate risk of collision.
Actively intervene in the event of an acute warning, e.g. brake. Depending on the driv-ing situation and the vehicle’s equipment, the acute warning may be supported by a brief brake jolt.
If the warning time setting is “Late”, the brake jolt does not occur.
If necessary, the system can also assist by au-tomatically performing a brake intervention if there is a risk of collision.
An acute warning can be triggered even without a previous warning.

Brake intervention
The warning prompts the driver to intervene personally. When the brake pedal is pressed quickly and hard, the maximum brake force of the vehicle is used.
The system can also assist by automatically performing a brake intervention if there is a risk of collision.
At low speeds, the vehicle can be braked to a standstill.
Manual transmission: when the vehicle is braked to a standstill through brake intervention, the engine may shut off.
City braking function: brake intervention takes place at up to approx. 80 km/h, 50 mph.
With radar sensor: brake intervention takes place at up to approx. 250 km/h, 155 mph.
At speeds above approx. 210 km/h, 130 mph, brake intervention takes the form of a brake jolt. There is no automatic deceleration.
A brake intervention can be discontinued either by pressing the accelerator pedal sufficiently or by active steering wheel movement.

System limits

Safety information

WARNING
Due to system limitations, the system may not respond at all or may respond too late, incorrectly or for no reason. There is a risk of accident or material damage. Observe the information on the system limits and intervene actively if necessary.

Detection range
The detection capability of the system is limited.
Only objects detected by the system are taken into account.
For this reason, the system may fail to respond or only respond after a delay.
For example, the following might not be detected:

• Slow-driving vehicle in front being approached at high speed.
• Vehicles suddenly cut in or decelerated heavily.
• Vehicles with unusual rear design.
• Two-wheeled vehicles ahead.

Upper-speed limit
The system is temporarily disabled at speeds of approx. 250 km/h, 155 mph. As soon as the speed drops below this value again, the system is activated.

System limits of the sensors
For further information:

• Cameras, see page 43.
• For radar sensors, see page 44.

Functional limitations
The system may have restricted functionality in situations such as the following:

• In tight bends.
• When driving stability control systems are limited or deactivated, for example, DSC OFF.
• Up to 10 seconds after starting the engine using the Start/Stop button.

Sensitivity of the warnings
The higher the sensitivity of the warning settings, for example, the warning time, the more warnings are displayed. As a result, there may also be an increased number of premature or unjustified warnings and responses.

Pedestrian Warning with City Braking Function

Principle
The pedestrian warning warns of the risk
of collision with pedestrians and cyclists at speeds that are common in towns and cities and brakes automatically if necessary. If an accident cannot be avoided, the system helps to reduce the collision speed.

General
Sensors detect the traffic situation in their detection range.
At vehicle speeds greater than approx. 5 km/h, approx. 3 mph, this system warns of a possible risk of collision with pedestrians and cyclists.

Safety information

WARNING
The system does not relieve you of your responsibility to assess the traffic situation correctly. Due to system limits, it cannot respond independently and appropriately in all traffic situations. There is a risk of acci-dent. Adapt your driving style to the traffic conditions. Observe the traffic situation, be ready to take over steering and braking at any time, and actively intervene if the situation warrants it.

WARNING
Displays and warnings do not relieve you
of your responsibility. System limits can mean that warnings or system responses are not issued or are issued too late, incorrectly or for no reason. There is a risk of an accident. Adapt your driving style to the traffic conditions. Observe the traffic situation and intervene actively if the situation warrants it

WARNING
When tow-starting or towing away with acti-vated Intelligent Safety Systems or activated Cruise Control, individual functions may malfunction. There is a risk of an accident. Turn off all Intelligent Safety Systems and Cruise Con-trol before tow-starting or towing away.

Sensors

The system is controlled using the following sensors:

• Cameras behind the windscreen.
• With radar sensor: front radar sensor.

For further information:
Sensors in the vehicle, see page 43.

Detection range
The detection range in front of the vehicle consists of two parts:

• The central zone, arrow 1, is directly in front of the vehicle.
• Extended zone, arrows 2, to the right and left of the central area.

There is a risk of collision when persons, e.g., pedestrians or cyclists, are in the central zone. A warning is only given to persons in the extended zone if they are moving towards the central zone.

Switching the Pedestrian Warning on/off

Switching on the system automatically
The system is automatically activated at the start of each journey.

Switching the system on/off manually
Depending on the equipment and national-market version, the Intelligent Safety Systems can be operated via the button or iDrive.

Observe the settings, display and op-eration in the Intelligent Safety chapter.

For further information:
Intelligent Safety, see page 196.

Display in the instrument cluster

Depending on the equipment and national version:
Functional limitations detected, for example, due to system limits of the cameras or system failure. It is possible to continue driving. Where applicable, observe the information from Check Control messages.
For system limits of the cameras, see page 43.

 

 

Depending on the equipment and national version:
The system is switched off.

 

 

 

Warning with braking function

Display
A warning light is shown on the instrument cluster and, where applicable, a head-up display if there is a risk of collision with a detected pedestrian or cyclist.

The warning light is illuminated red and a signal sounds: impending collision detected.

 

Alternatively, depending on the equipment, a red warning triangle illuminates the instrument cluster.

 

Take action yourself immediately by braking or swerving.

Brake intervention
The warning prompts the driver to intervene personally. When the brake pedal is pressed quickly and hard, the maximum brake force of the vehicle is used.
In addition, the system can assist with a brake intervention if there is a risk of collision.
At low speeds, the vehicle can be braked to a standstill.
Manual transmission: when the vehicle is braked to a standstill through brake intervention, the engine may shut off.
A brake intervention can be discontinued either by pressing the accelerator pedal sufficiently or by active steering wheel movement.

System limits

Safety information

WARNING
Due to system limitations, the system may not respond at all or may respond too late, incorrectly or for no reason. There is a risk of accident or material damage. Observe the information on the system limits and intervene actively if necessary.

Upper-speed limit
This system responds to pedestrians and cyclists when the vehicle speed is less than approx. 80 km/h, approx. 50 mph.

Detection range
The detection capability of the system is limited.
As a result, the system may fail to give warnings or may give warnings late.

For example, the following might not be detected:

• Persons who are partially hidden.
• Persons who are not detected as such due to the viewing angle or contour.
• Persons outside the detection range.
• Persons shorter than 80 cm, 32 in.

System limits of the sensors
For further information:

• Cameras, see page 43.
• For radar sensors, see page 44.

Functional limitations
The system may have restricted functionality or may not be available at all in situations such as the following:

• If driving stability control systems are deactivated, for example, DSC OFF.
• Up to 10 seconds after starting the engine using the Start/Stop button.

Lane Departure Warning

Principle
The Lane Departure Warning issues a warning if the vehicle leaves the road or its driving lane.

General
This camera-based system warns once a minimum speed has been reached.
The minimum speed is country-specific and is displayed in the menu for the Intelligent Safety Systems.
Warnings are issued in the form of a steering wheel vibration.
The system does not issue a warning if the driver indicates in the corresponding direction before leaving the driving lane.
Depending on the equipment, if a lane boundary is crossed in the speed range up to
210 km/h, approx. 130 mph, the system may respond with a brief active steering intervention in addition to the steering wheel vibration. The system thereby helps to keep the vehicle in the driving lane.

Safety information

WARNING
The system does not relieve you of your responsibility to assess the layout of the road and the traffic situation. There is a risk of an accident. Adapt your driving style to the traffic conditions. Observe the traffic situation and intervene actively if the situation warrants it In the event of a warning, do not move the steering wheel unnecessarily abruptly.

WARNING
Displays and warnings do not relieve you
of your responsibility. System limits can mean that warnings or system responses are not issued or are issued too late, incorrectly or for no reason. There is a risk of an accident. Adapt your driving style to the traffic conditions. Observe the traffic situation and intervene actively if the situation warrants it

Sensors

The system is controlled by cameras behind the windscreen.
For further information:
Sensors in the vehicle, see page 43.

Operating requirements
The lane marking must be detected by the camera for the Lane Departure Warning to be active.

Turning the Lane Departure Warning on/off

Switching on the system automatically
Depending on the national-market version, the system is automatically active after every driv-ing off.

Switching the system on/off manually
Depending on the equipment and national-market version, the Intelligent Safety Systems can be operated via the button or iDrive.

Observe the settings, display and op-eration in the Intelligent Safety chapter.

For further information:
Intelligent Safety, see page 196.

Setting the Lane Departure Warning

Setting the warning time

1. “CAR”
2. “Settings”
3. “Driver assistance”
4. “Safety and warnings”
5. “Lane departure warning”
6. Select the desired setting:
   1. “Early”
   2. “Medium”
   3. “Reduced”: some warnings are suppressed depending on the situation, for instance when purposely driving over driving lane lines in curves or with dynamic overtaking without a turn indicator.
   4. “Off”: no warnings are given.

Adjusting the strength of the steering wheel vibration

1. “CAR”
2. “Settings”
3. “Driver assistance”
4. “Feedback via steering wheel”
5. “Vibration intensity”
6. Select the desired setting.

The setting is adopted for all Intelligent Safety Systems.

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Turning steering intervention on/off
Steering intervention can be switched on and off separately for Lane Change Warning or Lane Departure Warning.

1. “CAR”
2. “Settings”
3. “Driver assistance”
4. “Safety and warnings”
5. “Lane departure warning”
6. “Steering intervention”

Depending on the national market version, steering intervention is automatically active whenever you drive off.

Display in the instrument cluster
Depending on the equipment and national market version, different system statuses are displayed in the instrument cluster.

The indicator light flashes green: and a warning is issued actively. If necessary, the system performs a steering intervention.

The warning light is illuminated yellow: functional limitation detected, for example, due to low sun or system failure. It is possible to continue driv-ing. Where applicable, observe the information from Check Control messages.

Warning light flashes yellow: a warning is issued actively. The system does not carry out any steering interventions.

 

The warning light is illuminated grey: the system is switched off or automatically deactivated, for example, because DSC OFF is activated.

Warning light flashes grey: a warning is issued actively. The system does not carry out any steering interventions.

 

Warning function

When leaving the driving lane
If the vehicle leaves the driving lane and a lane boundary is detected, the steering wheel vibrates depending on the steering wheel vibration setting.
If the turn indicator is switched on in the corre-sponding direction before changing lanes, no warning is issued.

Steering intervention
Depending on the equipment and national-market version: if a lane boundary is crossed in the speed range up to 210 km/h, approx. 130 mph, the system may respond with a brief active steering intervention in addition to the steering wheel vibration. The steering intervention helps to keep the vehicle in the driv-ing lane. Steering intervention can be felt at the steering wheel and can be overridden man-ually at any time. With active steering intervention, the display flashes in the instrument cluster.
For example, steering intervention is sup-pressed in the following situations:

• If the vehicle is accelerating rapidly or braking heavily.
• On indicating.
• If the hazard warning lights are switched on.
• In driving situations with high driving dynamics.
• When Dynamic Stability Control regulates the driving stability.
• Directly after a steering intervention by the vehicle systems.
• When actively weaving back to your lane after overtaking.

Warning signal
Depending on the equipment, if the system performs an active steering intervention multiple times within 3 minutes without the driver touching the steering wheel, an acoustic warning is emitted. A short warning signal sounds on the second steering intervention. A longer warning signal sounds from the third steering intervention onwards.
A Check Control message is also displayed.
The warning signal and Check Control mes-sage urge the driver to pay more attention to the driving lane.

In trailer operation
There is no steering intervention when the trailer socket is occupied or when the trailer operation is activated, for example when operating with a trailer or bicycle carrier.

Cancellation of the warning
The warning is cancelled in situations such as the following:

• Automatically after a few seconds.
• On returning to the correct lane.
• If the vehicle is accelerating rapidly or braking heavily.
• If the hazard warning lights are switched on.
• On indicating.
• When Dynamic Stability Control regulates the driving stability.
• While Dynamic Stability Control is disabled.
• Directly after a steering intervention by the vehicle systems.
• With manual steering intervention.
• Possibly when another driver assistance system is activated.
• Lane boundaries are not detected.
• When the system limits are reached.

System limits

Safety information

WARNING
Due to system limitations, the system may not respond at all or may respond too late, incorrectly or for no reason. There is a risk of accident or material damage. Observe the information on the system limits and intervene actively if necessary.

System limits of the sensors
For further information:

• Cameras, see page 43.

Functional limitations
The system may have restricted functionality in situations such as the following:

• When there are missing, worn, poorly visible, merging/separating or ambiguous lane boundaries, for example, in areas where there are roadworks.
• With lane boundaries that are covered in snow, ice, dirt or water.
• In tight corners or on narrow roads.
• With lane boundaries that are not white.
• With lane boundaries that are covered by objects.
• If the vehicle is too close to the vehicle ahead.
• Up to 10 seconds after starting the engine using the Start/Stop button.

A Check Control message may be displayed if functionality is restricted.

Lane Change Warning

Principle
Lane Change Warning detects vehicles in the blind spot, or if vehicles are approaching from behind in the adjacent lane.
The warning light in the exterior mirror warns the driver in different stages.

General
The system is operational after a minimum speed has been reached and uses radar sensors to monitor the area behind and adjacent to the vehicle.
The minimum speed is country-specific and is displayed in the menu for the Intelligent Safety Systems.
The system indicates when vehicles are in the blind spot, arrow 1, or are approaching from the rear in an adjacent lane, arrow 2. The warning light in the exterior mirror is illuminated at a dimmed level. In the above situations, the system issues a warning before a lane change with the turn indicator activated. The warning light in the exterior mirror flashes and the steering wheel vibrates.

Safety information

WARNING
The system does not relieve you of your responsibility to assess the traffic situation correctly. Due to system limits, it cannot respond independently and appropriately in all traffic situations. There is a risk of acci-dent. Adapt your driving style to the traffic conditions. Observe the traffic situation, be ready to take over steering and braking at any time, and actively intervene if the situation warrants it.

WARNING
Displays and warnings do not relieve you
of your responsibility. System limits can mean that warnings or system responses are not issued or are issued too late, incorrectly or for no reason. There is a risk of an accident. Adapt your driving style to the traffic conditions. Observe the traffic situation and intervene actively if the situation warrants it

Sensors

The system is controlled using the following sensors:

• Side radar sensors, rear.

For further information:
Sensors in the vehicle, see page 43.

FAQs

Useful Links

View Full PDF: 2024 BMW 2 Series Owner’s Manual | Auto User Guide

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