Features:Placement on vehicle: front, rear, left, right.Replaces part number: 66209826784, 9826784, 66209471930, 9471930.Applicable model: the parking sensors are compatible for 1 Series F40.Function: the PDC parking assist sensor detects objects in front of and behind the vehicle and alerts the driver to avoid hazards.Direct replacement: these reverse parking assist sensors are designed to match OE units in fit, form, and function for peak performance, plug and play design, easy to install, no wire splicing necessary, direct replacement.Premium material: the PDC parking assist sensors are made of quality plastic material, high strength and durability, which has a long service life. Specification:Product name: Parking SensorMaterial: plastic, rubberCol.