BMW tuning guides: Stage 1 to 4 for every model

Power by stage, model by model

Car	Years	Engine	Stock	Stage 1	Stage 2	Stage 3	Stage 4
BMW M3 / M4 F80 / F82	2014–2020	3.0 twin-turbo inline-six S55	425 hp	500–540 hp	530–575 hp	620–710 hp	800–900 whp
BMW M340i G20	2019–	3.0 turbo inline-six B58	374 PS	400–460 PS / hp	460–500 hp	510–650 PS / hp	700–800+ whp
BMW M3 / M4 G80 / G82	2021–	3.0 S58 twin-turbo inline-six	503 hp	≈588–659 hp	≈604–669 hp	750+ hp	900+ hp
BMW M2 G87	2023–	3.0 S58 twin-turbo inline-six	453 hp	≈552–592 hp	≈621–718 hp	790–959 whp	900–1,000+ whp

Figures are the tuners' own claims from each guide, on the fuel each tuner states. Some are at the wheels (whp), so compare like with like.