Dinan D900-B58-F-S1 is Stage 1 performance engine software for BMW B58B30M0 applications including F22, F23, F30, F32, F33, F36, G01, G02, G11, G12, G30, and G32 platforms. Dinan describes the calibration as a stock-vehicle performance upgrade designed to improve power delivery, throttle response, and engine performance while maintaining factory safeguards. The current Dinan catalog lists this as the Stage 1 counterpart to the D900-B58-F-S1-W Dinan+ software.

California emissions notice: Dinan states that D900-B58-F-S1 is NOT LEGAL FOR SALE OR USE IN THE STATE OF CALIFORNIA while CARB testing is pending. Do not sell or install for California use unless the manufacturer's current emissions status changes and applicable requirements are satisfied.

Compatibility notice: Dinan's current product page states that 2021+ model years are not currently supported for this B58 (M0) software release. Confirm engine variant, DME compatibility and the exact vehicle application before quoting.

Request a quote before ordering. FMS Auto Performance confirms vehicle fitment and current availability before issuing an invoice. Include your vehicle year, make, model, trim, engine, and relevant modifications with your request.