Hi, I have a 2007 B7 A4 3.0ltr tdi avant quattro and have a genuine set of 19inch le mans wheels which came from a 2009 B8 A4. The tyres are 255/35/19. 96y i have fitted them to the car but not driven it and they clear all the bodywork and suspension. My concern is the tyre size on the front wheels at 255 is that likely to have any detrimental effect on the steering and handling. Would a 235/35/19 on the front be a better tyre which is the same as the standard 18inch ones, although i can't find a 235/35/19 with an extra load rating of 96 which is recommended for the diesel avants. I quite expect a slightly harder ride on the 19inch wheels. Thanks.