Quote Originally Posted by wcooba View Post
I think at some point in 2018 there was change in co2 certification, instead of blanket value per model each spec combination was assessed individualy. Some newer 530s for example on 20" wheels may be above 50g/km.
It'll go by whatever is on the V5 if you're importing it - think its listed at 45g/km by revenue currently, but thats an SE - so larger wheels will make a slight difference alright.