I know that in early Ferrari's (or just about any car) it is verry easy to disconect the odometer,and not cause any drivabilty problems.Has this problem been fixed in newer Ferrari,s. I know that in newer BMW,S if you stop the signal from the mph sensor ,before the prosseser the car is not usable ,if you stop the signal after the black box you can stop the miles from registering ,but when you hook it back the black bok will update the odometer.I am looking at 355,s and 3 of the cars with less than 15000 mi. showed much ,much too much wear for sub 20000 mi. cars. I hope that it is not as easy as it used to be!!!!!!!!