I had a set of PSS9's on my 330ci and found them acceptable on the street but too soft for serious track work. My question is if the PSS9;s for the CS are stiff enough for track duty (60% track and 40% street) or should I seek something more racy? I know Moton's or the like are the cat's pyjama's but do I need to spend nearly 3 times as much or will the Bistein's do the job?

Also, what about the sport shocks that Bilstein offers as a replacement? I am running H&R springs at the moment and wonder if they would be a good match? Are they much stiffer than stock?

What other suspension systems are people running at the track with good results?
Regards,
Chris

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'06 Cayman S -JIC Cross, Quaife, CCW C14 wheels,MPSC's, Milltek cat back, GT3 seats Schroth harnesses, TC design bar, Pagid yellows, GT3 cup brake ducts,de-snorked, vanilla air freshener RSR Instructor