66 31 001 Adjusting ACC sensor (FRR sensor)

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NOTE: This service information applies to the entire F series with the new ACC sensor (FRR - Full Range Radar).

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)

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 ).

Fig 1: Identifying Mirror, Wheel Laser And Slotted Diaphragm

Courtesy of BMW OF NORTH AMERICA, INC.

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.

NOTE: Further information on the ACC adjusting device can be found in the BMW Workshop Equipment and Planning Documentation.

NOTE: 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 2: Identifying Holder, Square And Bubble Level

Courtesy of BMW OF NORTH AMERICA, INC.

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 .
A damaged/bent holder (1) indicates mechanical misuse of the vehicle and cannot be handled as a warranty case.