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doggydaily · Joined: 13 Dec 2006 Posts: 3

hi all new member here can anybody help me when i select reverse on my 330i i am just getting a continous beep for a few seconds and then nothing reversing sensors are not detecting anything behind the car.

any help greatly appreciated thanx.

macca · Joined: 19 Jan 2007 Posts: 3

Hi there,
It sounds as though you have a PDC sensor out. You can check if they are all working by doing the following:-
Turn your ignition on and engage reverse gear. Then, go round the back of your car and put your ear close to one of the sensors. If it is working OK, you will hear a faint 'clicking' noise - if it is silent then it has probably malfunctioned. If you repeat this for each sensor you will find if one of them is the cause.

I also had a problem like this, turned out one sensor had broken, and also the wiring loom got too close to the exhaust and got toasted !!

Hope this helps.