hi guys have mini coopers 05 plate with problem auto box its slipping badly sometimes no drive and engages harshly was going to change oil filter in box but bolts on sump siezed one snapped so looking at changing box getting mixed advice about this on what box will fit i dont care if paddles dont work as long as gearbox itself does will any auto box fit or does it have to be a cooper s box had the chance of a 2010 box cheap but told it wont fit got to have auto as wife is disabled and its her dream car thanks paul

 

seems like me not many know much about the auto