Quote Originally Posted by woofy View Post
Assuming the turbos are identical, which they should be, unless there is something else different it would stand to reason that the Octavias will start seeing the issue as well. It could just be a numbers game, the RS came out later than the Mk7 Gti.
They are identical. There has been multiple revisions. Currently at revision G. I have the previous revision T turbo with 18k, 11 of which have been running a tune.

I think its a luck of the draw. Some running old revisions have no issues others running new revisions do.