Parking sensors for cars 1 series
Front Rear Parking Sensor Packs are now available giving your vehicle all round parking and reversing protection. The Remote Control Parking assistance system enables your BMW to do the parking for you. Sign up to Which? for just £1 for full access to all our car reviewsUltrasonic sensors bounce sound waves off obstacles, using the ‘echo’ time to indicate how far away they are.
These pictures show a DPS800 front and rear parking sensor kit fitted to a 53 registration BMW saloon. Sensors detect obstacles behind you and also in front of your car if you wish, to aid your parking and enable you to get into those tight spots without damaging your car.
BMW and my rear parking sensors are doing exactly what yours were doing, a permanent tone. Depends on the car I think - mine detects when you have something plugged into the electrics and turns off the senso