too say it will ONLY work with the new tsi engines is tosh,
Erm . . . who said that? Because I certainly did NOT.
What I actually, and categorically stated - is that it was specifically
designed for the new TSI engine. So hopefully anyone who has a basic comprehension of the English language can see the difference in those two comments!

its been running on mine since Jan with no problems at all
Again, I have NOT disagreed with that bit. I freely accept that some peeps are using the new valve on the older engine without probs - all I have stated is that this is NOT an official VWAG modification.
number of people on this site and others across the world have gone to VW garages and ordered the DV and received the D version for their mk5 gti
<yawn>
I can understand people make mistakes but for it to happen over and over again like you are suggesting then either you are wrong or vw garages across the world are wrong
<yawn again>
You arn't referring to Yanks, are you? If so, sort of says it all really!
you know your stuff tt, but I would double check and check again with your sources
I'll gladly check again, but remember, I do have an official trade account with VW UK, and my local TPS are always able to vouch for my 'factually correct' info. But if the situation has changed, then I'll gladly report back and eat my slice of humble pie.