It won't be identical but honestly I'd go with a BMS stage one or maybe a racechip?
530hp up to 600hp (at the wheels)
https://burgertuning.com/collections...-m5-m6-x5m-x6m
Or up to 660hp on the racechip
https://www.racechip.com/shop/bmw/m6...2kw-680nm.html