Time for a proper update...
I bought a US spec grill courtesy of damo666 on here, and he was even kind enough to throw in the black badge too!
It left me thinking of what to do about the front number plate and so I decided the best method would be to use magnets as others have done.
Here's the parts ready to be assembled:
I used neodymium N42 magnets with a pull of 6.4kg. Do not do end up getting them all stuck together like I did as they are a PITA to get apart again!
Firstly I glued on the magnets to the number plate, spacing them about 11cm apart:
Then I covered them with weatherproof cloth tape which helps in keeping them secure too:
Next I held up the plate to the grill where I wanted it to go and placed the magnets on the back:
I then removed them one at a time to glue into place and finally covered them again with weatherproof tape:
And here's the finished shots!