1) all cars in 2012 will have those "black boxes"
2) it's so they can void the warrenty by tracking to see if you've gone to the local racetrack
3) it doesn't matter, once the CPU is overriden the factory warrenty is voided, tampering with a vehicles electronics voids an warrenty, porsche is the only one who allows it.
4) thread is 2 yrs old