Idle 2.0 tsi

Morning all,

I would like to know how other people's 2.0 tsi idles.

I have had my car scanned on vcds / vag com and no codes are picked up. It seems to go through stages of idling less smoothly, but only noticeable when warmed up. the Mk6 gti forum has many cases of this, with lots of people having had this since day 1 of ownership from new, and people replacing injectors, coil packs, spark plugs, PCV valves, all in the hope of resolving it, with no success. they refer to it as a "fish bite", but sometimes it is like this, sometimes it is more of a constant shimmy - you can see the engine moving ever so slightly with the bonnet lifted. 

Thought i would get some feedback from other owners here.