Dilinger, in mine both showed the same, I believe the dealer did a reset on both.

Throt, ground clearance is much better than I expected. I guess it depends on what you are used to, but I'm coming from a 996 with aerokit and the M030 sport suspension and the -20mm has much much better ground clearance. Just today, I had to park in a underground garage that I always had to enter BACKWARDS and at an angle in order to clear the 2 underground levels and to my surprise the -20mm went through FOWARDS and straight without a problem. The reason is the shape of the front bumper of the 997 underneath, even with the -20mm its better than what you would expect. Also a weak point of many cars is the area under the car that is in between the rear and front wheels (like an M3 for example), but the 911 have shorter wheelbase and that area clears the ground very well, I never had a problem there in places I have had with other cars.