MG Flasher vs OBD2™ Car Scanner・ELM 327 Scan Usage & Stats
MG Flasher is a mobile tuning App designed for BMW/Supra vehicles equipped with B48, B58, S58, N63, S63, and N74 engines. Flashing is done by OBD using ENET Wi-Fi. Flashing time on ENET is only 15 - 20 seconds! Disclaimer: For off-road use only.
*Initial flash/ECU unlock with ENET Wifi will take approximately 4 - 6 minutes.
Flashing your BMW with MG Flasher unlocks many features:
• Custom Options - pick and choose performance mods, exhaust, cooling, torque options, as well as custom code options + more.
• Switchable Maps On-The-Fly - WORLD'S FIRST SOLUTION FOR BMW B58/B48 - through a simple combination of cruise control buttons you can quickly select between mapping, without the need to reflash the vehicle! Currently available for gen 1 and 2 B48,B58 and S58.
• Dynamic Exhaust Burble On-The-Fly - via a simple combination of cruise control buttons you can change the intensity of the burbles whenever you like! Currently available for gen 1 and 2 B48,B58 and S58.
• Flex Fuel - Automatically adjusts engine calibration to any ethanol blend, with smart blending logic for smooth power delivery and full integration with sensor or manual override control. Live ethanol display, cruise-control adjustability, and instant cluster feedback.
• Max Cooling On-The-Fly - With a simple cruise control button combination sequence, you can enable the option without reflashing the car! Currently available for gen 1 and 2 B48,B58 and S58.
• Torque Limit Adjustability - TCU 8HP Limiter Lifted for all platforms! Software calibration without the need for any transmission tuning or skewing the torque/load calculation model maps. This allows for accurate calculations, smooth shifting and no software trickery.
• Speed Limit Removal, Startup Roar, Torque by Gear Limiter available on select software
• Sport Gauges (HP and TQ) adjustable by user!
• OTS maps prepared by MG Flasher tuners
• Custom maps flashing – flash custom maps prepared by us or other tuners/users
• Logger - log real time data and plot it into graphs for troubleshooting and optimizing
• Cloud Log Viewer - Professional log viewing on logs.mgflasher.com
• Diagnostic - Read and clear BMW specific DTC's
• Reset various adaptations, restore coding
• CVN number (Checksum Verification Number) along with flashing counter stays untouched. This means our software will be virtually invisible to dealer level diagnostic tools
Supported vehicles:
BMW M140i/120i/125i/M135i F20/F21/F40
BMW M240i/220i/225i/230i/228i/M235i - F22/F23/F44
BMW M340i/318i/320i/330i/330e - F30/F31/F34/G20/G21/G28
BMW M3 - G80
BMW M440i/420i/430i - F32/F33/F36/G22
BMW M4 - G82
BMW 540i/520i/530i/530e - G30/G31/G38
BMW M550i G30
BMW M5 LCI - F90
BMW 640i/630i - G32
BMW 740i/740Li/730i/730Li/740e/740Le - G11/G12
BMW 840i, M850i - G14/G15/G16
BMW M8 - F91, F92, F93
BMW X1 20i/25i/28i -F48
BMW X2 20i/25i/28i/M35i - F39
BMW X3 M40i/20i/30i - G01
BMW X4 M40i/20i/30i - G02
BMW X3M/X4M - F97/F98
BMW X5 40i,50i - G05
BMW X6 40i - G06
BMW X5M/X6M - F95/F96
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OBD2 Car Scanner-Diagnostic: Your Vehicle’s Personal Health Expert
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MG Flasher VS. 
OBD2™ Car Scanner・ELM 327 ScanJanuary 12, 2026