Bmw F- Series B48 Tune

Stage 0:
Upgraded Cooling maps
Better throttle response
Pops / Crackles on sport mode 

Stage 1:
For 20i Models Up to 50% Power
For 30i models Up to 20% Power
(No Hardware modification required)

Stage1+: Same as Stage 1 with catalytic delete or downpipe.

Stage 2:
For 20i Models Up to 60% Over Stock Numbers
For 30i Model Up to 30% More Power
(Downpipe required)

Stage 2+:
Upgraded Cooling required (Heat exchager upgrade or WMI)

Stage 3: 
Refers to a custom tune on Upgraded turbo and requires most of the past cooling and high flow exhaust and intake upgrades

Supported for:
F30 (320i - 330i)
X1 F48 (20i)
420i - 430i
(etc)
230i