Where to buy a new b4 not b4.1

[xray011]

I read that you can buy a b4 ft cheaper now,but i carnt find any?.Any help..i run touring car at the moment and want a b4.I looked at the b4.1 and as nice as it is,will i see a differance at beginer level to a b4
I would like new so do i get the b4 and save some money?
Or try to find a mint b4.1?
cheers
Alan