akirk wrote:the z3 has different tyres front and back - quite different, as do a number of more sporty cars, so that is an obvious exception...
That applies to a fairly small proportion of the population, but the principle of keeping better tyres on the back still applies.
akirk wrote:would it make a difference if the car is FWD / RWD / 4x4 / ???
No, the risk is the same.