66 31 001 Adjust ACC sensor

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

36 1 100

Special tool required:

Active Cruise Control (ACC) adjusting device, complete.

Order number: 81 10 0 021 292

Consisting of:

Mirror, complete
Wheel laser
Slotted diaphragm
Control holder (for initial installation of rail)
Rail
Setup and Operating Instructions (not shown)

Fig 1: Identifying Active Cruise Control (ACC) Adjusting Device Components
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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 (36 1 100 ).

NOTE:

Follow notes for ACC ADJUSTING DEVICE .

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.

If a correction angle is specified via the diagnosis, the following operations can be performed to obtain a maximum angle correction of ± 1°.

Loosen, but to not remove, screws (1 and 2) at the marked locations.

Installation note:

Tighten screws (2) followed by screws (1).

Tightening torque 66 31 2AZ .

Fig 2: Identifying ACC Sensor Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Output of a negative correction angle:

Turn holder (1) clockwise (arrow 2) all the way.

Output of a positive correction angle:

Turn holder (1) counter-clockwise (arrow 3) all the way.

Fig 3: Turning Holder Clockwise And Counter-Clockwise

Courtesy of BMW OF NORTH AMERICA, INC.

The following step must be taken if there is an "Incorrectly adjusted sensor" fault entry or there is a suspicion of frontal damage.

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.

Fig 4: Checking Vertical Orientation In Direction Of Travel With Bubble Level

Courtesy of BMW OF NORTH AMERICA, INC.