Hi guys
I am currently refurbing my set, with what seems good success. I did the centre panel and steering column shrouds in about an hour. I will get a better pic when I get to the window switches.
Secret? Not really. Clean with isopropanol and a cotton cloth, this takes most of the time - be thorough. Then spray with an alkyd resin lacquer, at least 4 coats of silk matt. Got mine at Lidl, Parkside brand, a gbp 2.99 can does the whole cockpit! They say the lacquer is recoatable, so in future a clean and respray should keep us all going.
As usual, do this at your own risk - practice on the underside shroud where it won't show!
Happy button pushing.
David