I just came back from PSI and had them install the Berger TUNE !!! WOOOOOOW what a great tune for the M3 … Feel the BOOOOST no lag on my 6 speed M3.
Thanks PSI great job guys…. Rc and Dave
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Build by (PSI) 2019 M2C , BC suspension , BC wheels , DP , Vorsteiner trunk lip , Diffuser , Side Skirts , IND reflector kit , Rw carbón hood , DME Tuned !
E90 M3 Supercharged