In Reply to: Jim C. Software is the way to go...(more) posted by DC on April 02, 1999 at 18:37:13:
: Not only is the best ECU software upgrade out there but the going price is $399.
: 1. Removes top speed limiter
: 2. Increases rev limiter by 300 RPM.
: 3. Widely accepted as the best software upgrade for the M cars.
: And before someone asks....It has the same effect on your warranty that the Dinan upgrade has....NONE!!! Neither will void your warranty.