This frequent customer of ours and the owner of this Interlagos Blue E90 M3 is addicted to track days. When this car first came into our shop it was in 100% bone stock form; that same day we installed a 620hp supercharger kit. Since then we've seen this car slowly evolve into the subtle, purpose built track-day/daily-driver machine that it is now. Equipped with a set of high-end and exclusive JRZ coilovers, super lightweight 10" wide APEX wheels, ultra sticky Hankook Ventus TD tires, powerful AP Racing brakes and Vorshlag adjustable camber plates, this is one of the best feeling M3's we've had the pleasure of driving. Here are some photos by Cali Photography from a recent track day event at Sonoma Raceway. Enjoy.

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