Dinan+ Performance Engine Software - BMW S63 TU4 F90/F91/F92/F93/F95/F96. This Dinan+ calibration is designed for supported S63 TU4 applications including the BMW M5 and M SUVs. It is designed to deliver increased power while retaining BMW engine safeguards and factory-like drivability. Dinan states no additional parts are required and the software includes its factory-matching 4-year/50,000-mile warranty. Features: • S63 TU4 engine calibration • F90/F91/F92/F93/F95/F96 applications • No required supporting parts • Optimized boost, fueling, airflow and temperature control • Factory engine safeguards retained • Speed governor removed • Sport-mode cooling strategy • Dinan factory-matching 4-year/50,000-mile warranty Part Number: D900-S63-T4-S1-W