66 31 010 Notes on ACC adjusting device (FRR sensor)

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

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

Fig 1: Identifying Measurement Area For ACC Adjusting Device

Courtesy of BMW OF NORTH AMERICA, INC.

Requirements for the measurement area for ACC adjusting device

Dimensions:

Area behind the mirror of at least 80 cm that cane be entered
Distance between mirror and vehicle 80 cm +/- 5 cm
Total area of work area 360 cm x 660 cm

Maximum irregularity of floor surface

Floor surface - adjusting device ≤ 1 mm
Floor surface - vehicle ≤ 10 mm

Fig 2: Identifying Maximum Angle Of Inclination Of Floor Surface - Vehicle
Courtesy of BMW OF NORTH AMERICA, INC.

Maximum angle of inclination of floor surface - vehicle

Downward incline of floor surface maximum 3°, See Fig 2.
Upward incline of floor surface maximum 1°, See Fig 2.

NOTE: Setting up the ACC adjusting device (one-off task) comprises the following steps:

Assembly of adjusting device
Assembly of rail
Basic setting of adjusting device on measurement area

Detailed instructions for setup and operation are enclosed with every ACC adjusting device.