Blog - Square Setup Impressions - 3/11/2012 - BMW M5 Forum and M6 Forums

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Blog - Square Setup Impressions - 3/11/2012

Posted 14th March 2012 at 08:01 by bimmerule
Updated 14th March 2012 at 08:05 by bimmerule
Winter is finally over, I couldn't wait to stow away the mushy Blizzaks and put on proper Dunlop Z1 star spec rubber on OE 18 x 9.5 all around. 3mm spacers and extended bolts were mandatory, along with a bit more tightening torque up front. Initial impression the Dunlops grip is ridiculous compared to the snows or Potenza all seaons I had. I still have not taken DSC off, but the acceleration is ferocious compared to the snows, which would trigger DSC in 4th and occassionally 5th gear on dry roads. The front end turns immediately, but steering is heavier. The benefit is at higher speed, the car is EXTREMELY stable. Initial braking also suffered, most likely due to extra weight of the rear rims up front along with heavier 275/35 rubber, but once the brakes grab, they stops the car quickly. I played around with tire pressure and found 38F/36R works best, with my Dinan ARB set to firm. The front end turns so sharply, I'm noticing more body roll, prompting me to look into Dinan or Eibach front sway bar upgrade. I will be taking the new setup to a mountain run soon, and shake it down at the track, more impressions to follow.
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