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Home >> BMW >> 2020 >> 330i >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Distance Systems, Cruise Control -- Repair (G20) >> 66 31 Active Cruise Control (Acc) >> 66 31 111 Adjusting the front radar sensor (330i, 330i xDrive, 330e PHEV, 330e xDrive PHEV, M340i and M340i xDrive) >> Adjusting the front radar sensor (FRS)

Adjusting the front radar sensor (FRS)

NOTE: TECHNICAL INFORMATION 
Notes on the adjustment of the ACC sensor are a fundamental requirement for these repair instructions and must be complied with at all times.
For additional information see: INSTRUCTIONS FOR ACC ADJUSTMENT DEVICE .
NOTE: TECHNICAL INFORMATION 
If there is a "Sensor misadjusted" fault memory entry" and a correct sensor alignment using the adjustment screw is not possible, there is a suspicion of front impact damage.
In this case, the vehicle must be carefully inspected for damage. If necessary, damaged parts must be replaced. Then adjust the ACC sensor again.
A damaged/bent holder indicates a mechanical misuse of the vehicle and will not be considered to be a warranty case.

Checking the vehicle and components for damage 

Check 

Result 

» Damage or deformation.

Measure

Result 

» No damage or deformation

Measure

Standard tools: 

Screwdriver for hexagon socket SW3 

Screwdriver for hexagon socket SW3 

G14435472Courtesy of BMW OF NORTH AMERICA, INC.
G14435473Courtesy of BMW OF NORTH AMERICA, INC.

Screwdriver for hexagon socket SW3

(Shaft length> 90mm)