Ask the mechanic to inspect the tires when the car is serviced.
Replace the tire
Yes , you can replace a 205 50r 16 with a 205 60 r 216. You must replace in pairs, not a single tire.
The best idea to replace a tire which has a whole in it is to replace it with a new one. Reason as to why you should replace it because the tire can wear out and blow out sooner with a whole in it.
No, you typically cannot replace a spoke without removing the tire.
Yes you can
Generally requires removing and dismounting the tire, replace TPMS sensor, remount tire, balance tire, re-install tire to vehicle, do the relearn tire position procedure.
You can not replace just the tire pressure sensor on a Boxster. You will need to replace the whole sensor. The sensor is located inside the tire assembly.
Yes, you can but know that your speedometer will show 61 mph at a true 60 mph. The vehicle will also handle differently.
Yes, you can.
Yes, it is possible.
Yes you can
Yes you can