No I could assamble with tape or crimpingflex and put in a bag

No, honestly - I like it to be good quality, without risk, good looking, etc.
so I prefere buying a made one.
Actually I think Ressler should have mounted the boards in a small plasticbox,
with two plugs, one for the USB and one for the IBus, so you don't accidentially place the board on the metal !
__________________
Kindly
DK540iA

Current car ^: E39 540iA Limo '97
Ex: E32 735iA '91
http://ivao.org/~mh/BMW/BMW%20E32%20735%20M.htm
Ex ex: Toyota Corolla '88, Opel Vectra '92, Nissan Micra '90,
Mitsubishi Galant '91, Toyota Carina '73, Morris Minor traveller '69