If i had the chose again TBH i would definitely get the Ebay one
But having said that, 1st off you will have to get your paint from the dealer, you'll have a paint code on your slam (its on the vin plate thats under the bonnet) then you'll have an exact match you will need 2 tins (to be safe) and one can of lacquer
Wash the piece you are going to spray in washing up liquid, rinse of (make sure all the washing up liquid is off, let it dry completely, then use some kind of degreaser to make sure all the grease is off (you can use brake cleaner)
Now he following is VERY important if you dont want to screw the job up
you will need some kind of etch spray for the plastic so it eats in to the plastic so it gets a really good bond, or it will chip and peel off in a few months time ruining all the work you did, you can get this from any of your local motor mart Holts or Plasticoat) do it so its not hard to find
Then wait for a nice sunny day (lol) I found the wifes washing line to be best to hang the grill from, so hang it up on the washing line with a wire coat hanger, that way you can do the front and sides (and back if you want) without moving the work piece
If you want you can use an undercoat, but using the etch you dont have to, its the same thing, use very light applications (the more you spray it with light coats the better it will be, and it wont run or go orange peel on you, wait 10 mins or so between coats and get about 4 or 5 coats on it at lest, do the front and sides first (just in case you run out of spray) then you will know how much you have left just tidy up the back if your doing that too (I didnt bother cuz you cant see it anyway)
If you have a metallic finish, you have to rub it down VERY lightly and it will kind of knock the top of the paint so the metallic flakes show thru, you wont see this and it looks a mess, but when you apply the lacquer, all will become clear, and it will make sense, again light coats, and the more the better, waiting between each coat for it to go off
See easy!! Its easier than it sounds