Thanks for the comments,The car is an e93 M sport.I have just spoken to her on the phone,eek ! the sizes are 225/35 19 front and 255/30 19 rear runflats and she has had a quote of £667 pair of rears and £527 pair of fronts .It was a tyre place who did the m.ot because she couldnt get in into BMW a month overdue too the dozy bugger and they said fronts will need replacing and rears are spongey .Better have a look for myself now.Oh and as for her driving style its like someone in a metro on a Sunday afternoon,she is 60