1. Nobody knows, but the owner of this website BOOSTD7 is on a mission to find out.
2. Mazda is saying that performance is unchanged - 0-60 in 6 secs or so, and 1/4 mile in around 14.5 secs. One person has achieved these numbers at the dragstrip, several others have got slower numbers at the dragstrip.
3. See 1.
4. Some people are crying because 238hp still seems too high based on current dyno results. Some are happy because they like the car as it is. Almost everybody wants more information as to what really happened.
5. See 1.
Current cars: '12 BMW X5 xDrive35i Sport Activity, '10 BMW 535i, '99 Mazda Miata
Previous cars: '08 BMW X5 3.0si, '07 Lexus IS350, '06 Lexus GX470, '04 Infiniti G35 Sedan 6MT, '04 Mazda RX-8, '02 Acura MDX, '01 Lexus IS300, '99 Lexus RX300