Dinan D900-B58-G-S1-W is Dinan+ performance engine software for BMW B58B30O1 applications in the G01, G02, G20, and G29 platforms. Dinan's calibration is designed to optimize boost control, cam phasing, fueling, airflow, temperature control, throttle response, and torque-by-gear strategies while retaining BMW factory safeguards and adding additional protection. Dinan lists multiple octane calibrations and a limited lifetime software warranty. The current manufacturer listing carries emission code 7.