In Reply to: Re: Some ?:s regarding US vs. Euro M3:s! ->> posted by people can get in/out back. EOM on September 13, 2000 at 08:47:52:
In Europe, only the 3.2 Evolutions have them, as they were introduced to the M3 in the 96 MY. '93-95 3.0 liter cars do NOT have them from the factory, AFAIK.
From what I have read, they can shear off the hub once they wear down. --I mean wwwaaaay down. With a conventional design, the rotor surface weakens and warp, but never come off the hub.
BMW NA's lawyers were worried that a high-milage car whose owner is too lazy or cheap to replace a set of baddly worn rotors risk a total and catastrophic failure.
Which --in this lawsuit happy country-- I can see. Remember the suddenly, unintentional acceleration lawsuits in the 80s? Audi is only now begining its recovery in the US over that absurdity.