When the car in park position running the speedometer was showing like I am driving highway speed , but the car wasn't moving.Then I send the vrs box to Chris at pro M and it is still way off not showing correct speed when driving. I send the tune file to Chris to double check everything.I did put correct info in the software rear gear ratio 3.55 and rear tire size.I will go for a test drive again soon as soon as I replace 4 coils. Now there is 4 dead Ls coils I will need to replace.The car was running on 4 coils out of 8 the software didn't show anything no code no nothing. The car was running extremely rough then I started to look for problem.