Quote:
Originally Posted by erictrainer
"Useless" is kind of a strong word. You can perfectly go out and track your car with the stock 20s and P4Ss. Are there better options? Of course! But there are plenty worse too! It all depends on your skill level and what you want from the car, but again I wouldn't say "useless".
Remember too the M4GTS comes with 20 stock in the rear. Just saying.
BTW Love the look! Didn't mean to divert
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But the OP's car isn't stock. It's had money spent on options that'll minimise it's track performance is the point I'm making.
BMW took the 20" front wheels off the CS and GTS to minimise understeer that's inherent with a low profile 20" front tyre.
The race versions of road cars M4 GT4, Porsche GT3's etc don't run the low profile street size tyres and all use smaller wheels and taller sidewall tyres.