66 31 001 Adjust ACC sensor

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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)

Fig 1: Identifying Mirror, Wheel Laser, Slotted Diaphragm, Control Holder And Rail
Courtesy of BMW OF NORTH AMERICA, INC.
Rail
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 (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 Adjusting Device Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Output of a negative correction angle:

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

Output of a positive correction angle:

Turn holder ACC (1) anticlockwise (arrow 3) all the way.

Fig 3: Turning Holder ACC

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.

Fig 4: Checking Vertical Orientation Of Travel Using Bubble Level

Courtesy of BMW OF NORTH AMERICA, INC.

Limit stop leg length: approx. 105 mm

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

Replace holder if necessary.