e60 i drive

hi to all on here ive recently purchased a2003 530d e60 when i start it in morning after a few seconds idling transmission malfunction comes up on i drive followed by run flat sensor whch is then followed by active steering malfunction if i switch off engine and restart after a few seconds everythings fine and it runs fine all day with no faults showing it only seems to do this after initial starting in morning ive had battery tested its ok but it is a halfords battery car is going to stealers tommorow for battery lead recal perhaps this could cure it any ideas welcome