Map Slot Infographics B48H, B48 and B58 Gen 1
Find out how to switch maps here: Switchable Maps On-The-Fly
G-Series (Gen 1)
B58
B58 Stage 1 - Custom Code v7.0+
B58 Stage 2 - Custom Code v7.0+
High Pressure Fuel Pump (HPFP) highly recommended for Ethanol maps
B58 Stage 2.5 - Custom Code v7.0+
High Pressure Fuel Pump (HPFP) Required
F-Series (Gen 1)
B48 Hybrid
B48 Hybrid OTS maps require Custom Code v7.0 or newer.
B48H Stage 1 - Custom Code v7.0 +
B48H Stage 2 - Custom Code v7.0+
B48 (Non-hybrid)
B48 Stage 1 - Custom Code v6.0 +
B48 Stage 2 - Custom Code v6.0+
B58
B58 Stage 1 - Custom Code v6.0+
B58 Stage 2 - Custom Code v6.0+
High Pressure Fuel Pump (HPFP) Required for Stage 2.5 (slot #2) and highly recommended for Ethanol maps (E30 slot #3)
B58 Stage 2.5 - Custom Code v6.0+
High Pressure Fuel Pump (HPFP) Required
B58 (OUTDATED)
Stage 1 and 2 - Custom Code v5.4
Stage 2.5 - Custom Code v5.4
With OTS map update v2.15, you can access Stage 2.5 independent of Stage 2. You can also access ethanol mix up to E40:
MG Flasher @ 2025