I have B4 ULC (Now on retention) when it was on my car i had it Configured B4UL C but had 2 Screws in the bottom of the B to make look like P4UL C and to be fair it looked pretty good actually. Got stopped by some Jobs worth Traffic
who gave me a £30 Fixed Penalty. I also got a letter off the DVLA saying it was in breach of the Rules etc and they will revoke it if i carry on.