Description
MG Flasher Stage 2 is a high-performance ECU calibration designed for BMW B48/B46 engines across F and G series platforms. This software is intended for vehicles equipped with a high-flow downpipe or high-flow catalytic converter and is optimized to deliver maximum safe performance gains with enhanced boost, improved throttle response, and a fully optimized powerband.
Stage 2 is engineered for drivers seeking significantly increased performance while maintaining smooth drivability and consistent power delivery throughout the RPM range.
Important Fitment & Regional Notice
- Do not purchase this software for B48B16 in Turkey.
- Customers in Turkey must contact the official dealer or support before purchase.
- Compatible only with BMW B48/B46 F and G series platforms.
ECU Compatibility & Unlock Requirements
- ECUs manufactured July 2020 and newer are supported with bench unlock (Femto or AutoTuner).
- ECU must be sent to an unlock provider or unlocked by a qualified third-party tuner.
- Some ECU software versions may require bench or OBD unlock.
- Additional unlock costs are not included and are handled by third-party providers.
IMPORTANT REQUIREMENT
- Designed for use ONLY with:
- High-flow downpipe, or
- High-flow catalytic converter
- Transmission tuning is strongly recommended for best performance and torque management.
Stage 2 Performance Features
- Increased boost pressure (aggressive calibration)
- Torque limiter optimization
- Lambda (air-fuel ratio) optimization
- Ignition timing optimization
- NBT display HP/TQ gauge calibration
- Optimized for xHP transmission tuning software
- Maximized top-end power and mid-range torque
- Enhanced powerband with reduced dips and improved consistency
Advanced On-The-Fly Features (Supported Platforms)
- Switchable Maps On-The-Fly (Gen 1 & Gen 2 B48/B58/S58)
- Instant map switching via cruise control buttons
- No reflash required
- HPFP support included
- Mini and X63 under development
- Dynamic Exhaust Burble Control On-The-Fly
- Real-time burble intensity adjustment
- Cruise control-based control system
- Gen 1 & Gen 2 supported
- Mini and X63 under development
- Max Cooling On-The-Fly
- Activate enhanced cooling strategy instantly
- No ECU reflash required
- Gen 1 & Gen 2 supported
Transmission & Torque Management
- Torque limit adjustability
- Transmission torque limiter calibration support
- Factory torque limits:
- B48: 440 Nm (325 lb-ft)
- B58: 550 Nm (400 lb-ft)
- Custom torque limit lifting capability up to 1000 Nm (select configurations)
- Smooth and accurate torque modeling for stable shifting
- Speed limit removal (select software options)
- Startup roar feature (select software options)
- Torque-by-gear limiter (select software options)
- Burble flame map (select software options)
- Cold start adjustment (racing/off-road use only)
Additional Features
- Sport gauges (HP and TQ) user adjustable
- Custom flashing support (tuner-provided maps)
- Flex fuel support (ethanol sensor or manual override) with CC 7.3 available
- Motiv ReFlex integration with CC 7.2 available
- Real-time logging support (sold separately)
- BMW DTC diagnostics (read and clear fault codes)
- Reset adaptations and restore coding
- CVN and flash counter remain untouched for near-invisible dealer-level detection
ECU Unlock & Software Notes
- Bench unlock required for ECUs manufactured July 2020 and newer
- Some software versions require additional OBD or bench unlock steps
- Unlock services are performed by authorized dealers or qualified tuning shops
- Additional costs are not included and determined by third-party providers
DISCLAIMER
MG Flasher products are intended for competition and off-road use only and may not be legal for road use in all regions. The user is responsible for compliance with local laws, regulations, and warranty conditions.
Each license is VIN locked to a single vehicle.
