Reset it whenever it starts to feel lazy. City driving will do that. I reset every month.

That's a beautiful car you got yourself. I spoke to the seller prior to you buying. Nice guy. Knows his stuff. The mods are great to have. Now, don't use up all your points at once! They have to last 3 years remember

Remember the throttle learn reset sequence:
Below are the steps that I copied and that I follow:

1. Turn the ignition key to the on (not start) position.

2. Press the gas pedal all the way to the floor (to the kick-down) and hold for five seconds.

3. Turn the key to the "off" position (don't remove the key), then release the gas pedal.

4. Wait at least two minutes for ECU to reset. (do it when you're parking her for the night)

IMHO the throttle response is much better after a reset.

*Also reset my sunroof today by holding it UP for 15 sec. Now it slides back in one smooth motion...and doesn't inch back bit by annoying bit. (Apparently this needs to be reset after any battery disconnection)

Happy driving mate