Sorry should of said new battery fitted and the key still won't start the car but will open it and all the buttons work will work as need just won't turn the car over

Any one on here that sort my key out
Just got back from hols cars was sat for 16 days battery went dead now key won't start it,can open the car with the buttons but won't start.
But starts fine with the spare any ideas
Help needed in South Wales if pos could drive to you then

Pdc was working fine but now when I select reverse it beeps for a second and then just flashes With the Bluetooth I have done the set up steps but nothing happening.no msg on the clocks or radio Car is 05 with sat nav and Dsp if that makes any difference Are the scanning software with obd lead on ...

Bridgend south wales

Hi all just got my first bmw and as you can guess it's e53 x5 d sport facelift and love it Wot I need now is some info Wots the best software to get for code scanner. Pdc has started to play up after a week and can't connect my phone with Bluetooth at all seems like it broke Any help would be great ...