Hi.
Yes to all.
Sorry I can't remember replying to your mail, but to get them to work like DRL properly without having to switch the light switch to fog light setting, you need to do a 10 minuet modification to the light wiring behind the switch, but if your happy with them running on the Fog light switch it is just “plug and play” I got them off eBay link:-
2005-2008 Porsche Boxster 987 Replacement LED Daytime DRL Bumper Driving Lights | eBay
There are others but as long as they say “no errors on the cambus system” they should be good.
Guvs