daz05 said:
The CSL straight line performance really isn't any faster in my experience.
What power is he running and what bits?
Standard cars- the CSL is noticeably quicker from 120mph onwards...
No idea what power the Z4MC is running at the moment, but it is fast... I think SuperSprint headers, SuperSprint race cats and middle section, H&S back boxes, Gruppe M and Evolve remap... The CSL is running SuperSprint race cats, Miltek middle section and SuperSprint race back boxes with a DMS remap...
The CSL was beaten in terms of car lengths by the way...
Ring was busy, but the action on track was OK - not too much traffic, but the amount of crashesh and the lengthy closures were a bit annoying. I was there for my Stag do, so I got to drive the Ring for the whole of Saturday in full Superman costume

Great fun was had and Flatout got to see how a standard car goes around the Ring too
The Z4MC is not that far behind...
It was interesting watching Matt (the CSL owner) pilot the car around the Ring. He does not hang about at all - but it feels surreal. It is like a watching the operator of a precision machine pressing controls, which respond with a reassuring mechanical "click and clack" and then the car does exactly what it has been told to do. Short of the engine noise it feels like you are in a operating theater. Zero drama and great results.
Contrast this with the Z4MC. Everytime I drive this car, which is totally stock except the Porsche brakes all round, it feels that I am mounting an angry bull from Pamplona, grabbing it by the horns and whispering in its ear - "now go left, please, please... good boy! and now right, please, pretty please on a stick, good. Now in a straight line, no, not left, not right, but in a straight line..." Fundamentally flawed concept of a car, but the first word when de-constructed sums it up very well - Fun (da) mental... 8) and that is why I am still with it...