Temp is normal...the S62 V8 has a pretty darn good cooling system, only after running it hard should you even see it move.
As for the tach lights, the last one will never go out as it is the indicator for the caution range for the rev limiter.
Congrats
As for the tach lights, the last one will never go out as it is the indicator for the caution range for the rev limiter.
Congrats