BMW 3 Owners & Service Manuals

BMW 3: Speed Limit Assist

Concept

When the systems in the vehicle, e.g., Speed Limit Info, detect a change of the speed limit along the route, this new speed value can be applied for the following systems:

  • Manual Speed Limiter.
  • Cruise control.
  • Active Cruise Control with Stop&Go function.

The speed value is suggested as the new desired speed to be applied. To apply the speed value, the corresponding system must be activated.

Safety information

Warning The system cannot serve as a substitute for the driver's personal judgment in assessing the traffic conditions. Based on the limits of the system, it cannot independently react to all traffic situations. There is a risk of accident. Adjust driving style to traffic conditions. Watch traffic closely and actively intervene where appropriate.

Warning The desired speed can be incorrectly adjusted or called up by mistake. There is a risk of accident.

Adjust the desired speed to the traffic conditions. Watch traffic closely and actively intervene where appropriate.

Overview

Buttons on the steering wheel

Apply suggested speed manually.

Rocker switch: Set speed, refer to Cruise Control.

Switching on/off and adjusting

Via iDrive:

1. "CAR".

2. "Settings".

3. "Driver Assistance".

4. "Driving".

5. "Speed Limit Assistance".

6. "Info on speed limits".

7. Select the desired setting:

  • "Adjust manually": detected speed limit can be applied manually.
  • "Show anticipation": detected speed limits are displayed in the instrument cluster without being applied.
  • "Off": Speed Limit Assist will be switched off.

Displays in the instrument cluster

A message is indicated in the instrument cluster when the system and cruise control are activated.

Depending on the equipment version, the indicator light illuminates green, together with the symbol for a cruise control system: Speed Limit Assist is active and detected speed limits can be applied manually for the displayed system.

Detected change of a speed limit with immediate effect.

Indicator light illuminates green: the detected speed limit can be applied with the SET button.

As soon as the speed limit has been applied, a green checkmark is displayed.

Apply detected speed limit manually

A detected speed limit can be applied to cruise control manually.

As soon as the SET icon lights up, press the button.

Adapting to the route

Concept

The system can be configured so that the vehicle adapts the speed automatically to the route.

For instance, the speed will be reduced in the following situations, if necessary:

  • Before making turns.
  • Before a traffic circle.
  • Before a curve.

Adjustment

Via iDrive:

1. "CAR".

2. "Settings".

3. "Driver Assistance".

4. "Driving".

5. "Speed Limit Assistance".

6. "Adjust to route details".

System limits

Speed Limit Assist is based on the Speed Limit Info system.

Consider the system limits of Speed Limit Info.

Upcoming speed limits can only be applied for the Active Cruise Control.

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