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66 31 010 Adjust ACC sensor

Special tools required: 

NOTE: This document is valid for the entire F-series with the new ACC sensor.
Fig 2: Identifying ACC Adjusting Device
G04728018Courtesy of BMW OF NORTH AMERICA, INC.

Special tool required: 

ACC adjusting device, complete.

Order number: 0 442 898

Consisting of:

  1. Mirror, complete
  2. Wheel laser
  3. Slotted diaphragm
  4. Control holder (for initial installation of rail)
  5. Rail
  6. Setup and Operating Instructions (not shown)
NOTE: A mounting which is not included in the delivery specification is required to support the wheel laser. Use either the quick-action clamp from the existing KDS or ACC wheel holder (2 338 466). See Fig 1.
NOTE:
NOTE: To set the ACC sensor, connect the BMW diagnosis system and fit the ACC adjusting device.
Select ACC calibration in diagnosis:
  • Service function
  • Chassis and suspension
  • ACC cruise control
  • Start-up of ACC sensor

Handle ACC adjusting device in accordance with mounting and Owner's Handbook provided with device.
NOTE: The following step must be taken if there is an "Incorrectly adjusted sensor" fault entry or there is a suspicion of frontal damage.
Fig 3: Identifying Hold Square And Holder
G08485350Courtesy of BMW OF NORTH AMERICA, INC.

All except for F34: 

IMPORTANT: The vehicle must be parked on a flat, horizontal surface! 
NOTE: For purposes of clarity, graphic shows holder (1) removed.

Hold square (2) against holder (1) as shown.

Limit stop leg length: approx. 105 mm

Check vertical orientation in direction of travel with bubble level (3).

Replace holder if necessary. 

IMPORTANT: After replacing the holder, check the ACC sensor position again using the square (2) and bubble level (3).
If the ACC sensor position is still not right, check the support for the bumper panel at the bottom front for damage and replace if necessary (except F34).
A damaged/bent holder (1) indicates mechanical misuse of the vehicle and cannot be handled as a warranty case.

F34 only: 

Fig 4: Locating ACC Sensor Holder Screws
G09929747Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: The vehicle must be parked on a flat, horizontal  surface!

Hold square (1) against holder (2) as shown.

Check vertical orientation in direction of travel with bubble level (3).

Adjust as appropriate by screws on side of holder (2).

If no correct setting can be attained, replace the complete holder (2).

IMPORTANT: After replacing the holder, check the ACC sensor position again using the square (1) and bubble level (3).
If the ACC sensor position is still not right, check the support for the bumper panel for damage and replace if necessary.
A damaged/bent holder (1) indicates mechanical misuse of the vehicle and cannot be handled as a warranty case.