Driver-assistance radar
Measures objects for equipped assistance functions.
Behind a suitable front, rear or corner cover depending on function.
Radio reflections help estimate target distance and movement; control uses system-specific processing.
An electronic distance observer using radio waves.
Assistance unavailability can result from obstruction, alignment, damage or electronics.
Inspect and service using model-specific guidance, especially after a collision; warning lights require diagnosis.
Calibration, matched modules and post-collision work may dominate cost. An illuminated warning does not identify a replaceable part.
BMW adaptive cruise and blind-spot systems can use radar sensors in different locations.
BMW safety systems according to market, model year and option package.