hi all im needing some help iv just got my bmw 118d sport 2006 and it started up with no problems all day then I parked it up for the night and went to go out in it the next day and the battery was flat so I got a new battery run all day no problem then flat the next morning the fuel pressure sensor running about every 5 minutes and the lights on stop/start stays on with the car locked up so I pulled the black relay out the one in fuse box and it stopped the pressure sensor and the light on stop/start go's out with in a minutes going to have the relay out tonight to see if the battery go;s flat can some one help with whats up with it is it the relay ill be happy with all your ideas and thanks