Driving down the M40

[AtW]

There are theoretically 26 x26 x26 possibilities, so I think you're fairly safe.

Are you aware that letter I is not allowed in UK number plates? Evidently not.

[sasguru]

Are you aware that letter I is not allowed in UK number plates? Evidently not.

No I wasn't. OK that reduces it to 25 cubed, you pedant

[AtW]

No I wasn't. OK that reduces it to 25 cubed, you pedant

I gave another clue though, so probability is less than that.

One has to wonder why the numpty shaun-bhoy guessed it closer than you...

[Pinto]

No I wasn't. OK that reduces it to 25 cubed, you pedant

Those are the odds of it making any sense, once revealed

[sasguru]

No don't tell me the last 3 letter are CSV?

Noooooooooooooohhhhh!

[TimberWolf]

P4 Fiv ?

[AtW]

No don't tell me the last 3 letter are CSV?

Noooooooooooooohhhhh!

No. Next...

[TimberWolf]

Damn, no I

[AtW]

Damn, no I

[Pondlife]

Damn, no I

Or Q IIRC