had my mini about 2 weeks now and so far had a few probs,air con not working after a trying a regas at bmw dealer,its back in wed for a diagnostic check to see what prob is,warranty i have will cover same,antiroll bar bushes renewed after 24000 mls,now the alarm goes off for no reason,no flashing lights when it does,went this morning at 3 then went off itself,neighbours got bit of a wakening lm afraid,any idea what prob could be ??