WOW!!
Sorry to take so long to come back but I have been out driving.

What a difference, why didn't I get rid of the run-shites ages ago?!
Should have said at the beginning that the price was for 17" but the observant amongst you noted that anyhow

I think I got a pretty reasonable deal as Camskills was £284 delivered plus it would have cost me about a tenner a wheel to get them fitted - a total of £324ish. In the end it cost me £321 as I kept my old RFTs to put back on when it comes to trade in time therefore didn't have to pay the disposal charge. Now keeping the old tyres, that leads to another story!! Anyone tried getting 4 tyres in a Z4? Well this is how I did it:
As you can imagine I took it pretty steadily going home so anyone who spotted me doing 50 in the slow lane along the A303 and M3 now knows who it was holding everyone up - sorry. It also stopped me having any 'release agent' problems and finding the first ditch! Sorry to disappoint you CJ

The guys at Micheldever were excellent and really efficient and even helped out by giving me some stuff to tie the boot lid down.

Before anyone says that I should have thought of that I had gone there on a whim as I was passing on the way back from a business trip so was totally unprepared!!
OK so what about the tyres? Well I am really very impressed even though it is early days and I have only done a few miles without the tyres in the boot! Though all of that is on local roads that I drive often so is a good comparison with the old tyres. With the RFTs the car tramlined something rotten to the point that I had little confidence placing the car close to curbs etc in case it decided to pull violently. It was a real handfull if the road was anything other than totally smooth. Well that has gone - totally. The car goes as straight as a dye with no tugging on the wheel whatsoever - brilliant. Instantly I feel much happier and faster :driving: The ride is also much improved though it could never be described as limo like (I wouldn't want it to be it's a sports car after all!!) but it is much more compliant and again allows you to drive harder and faster. It also does not crash into potholes like before. As for the grip, well that seems far better but I have not really pushed it yet. And all of that is before I have even tinkered with the pressures!
Overall - very impressed so far. A good deal and great service -

to Micheldever. No tramlining at all. Smoother more compliant ride. Let's see how they wear and what they are like in the wet. To those who are contemplating the swap - DO IT NOW YOU WILL NOT REGRET IT.