copy the texture.bva file to your Dreamwings aircraft folder.Open the aircraft.cfg and add this line to your next fltsim number

[fltsim.xx]                //------- change this to your next fltsim
title=Dreamwings Dash 8 -Q400 BVA
sim=Dash8Q400
model=WV
panel=
sound=
texture=bva
checklists=
ui_manufacturer=Bombardier
ui_type=Dash 8 Q400
ui_variation=BVA
description=Dreamwings Dash8 Q400
atc_id=G-PAUL
atc_heavy=0
atc_airline=Britannic
atc_flight_number=