People knock the IS350, but they are pretty quick. Looks like one with a intake and exhaust went 13.0x @ 105 on Hooiser R6s. Not too bad at all.
E46 M3 | SMGII | OEM CSL 19s | D/A Race Software | OEM CSL Header | Dixis TI | Streamline Drop in filter | (sold)
E92 335is | DCT | JB4 | E60 Flash | BMS DCI | DPs | BMS CP | BMS OCC | ETS 5" | Stg 2 LPFP | 451/500 DJ at 104°