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MG Flasher

MG Flasher

by JR Auto Performance Inc.

89 ratings
21 reviews
🔧 Utilities
⚽ Sports
Free

Details

Released
January 27, 2020
Updated
November 3, 2026

Features

Developer

JR Auto Performance Inc.
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About

This app allows for advanced tuning and performance modifications for specific BMW and Supra engines via OBD using Wi-Fi. It offers features like custom options, switchable maps, dynamic exhaust burble control, and flex fuel adjustments. The tool also includes diagnostic capabilities and data logging for optimization.

✓Custom performance modifications
✓Switchable maps on-the-fly
✓Dynamic exhaust burble control
✓Flex fuel automatic adjustment
✓Torque limiter removal
✓Diagnostic DTC reading/clearing
✓Real-time data logging
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What's New in MG Flasher

506

November 3, 2026

Added - Short tutorials now explain every tab of the car page and many more screens - MG Flasher now works on your Apple Watch Changed - Opening Live Control no longer writes the Antilag RPM slider value to the car on its own - Closing the app from the app switcher no longer ends in a crash report

More

User reviews

Most RecentHighest RatedLowest Rated

App no longer function after update

None of the custom controls are working I can’t even check for a code it just won’t respond to any of the clicks and has a ! Inside of a green circle next to every option , please advice I’ve already emailed twice about this and waited almost a week for a response.
OOnlyboostllc

Интерфейс

Сделайте пожалуйста поддержку русского языка 🇷🇺🇷🇺🇷🇺
И💪Игорь 💪

Hard to use, BM3 way better

Just had a horrible experience with mg flasher ancient interface that it seems MHD clone it. But after I switched to Bootmod3 everything with the power is good now. Shouldn’t have wasted my time
FFrikiton

大陆帐户无法登录

大陆手机号码无法接收验证码
垃啥垃圾货 啥也不是

Terrible service

Never have been able to use any tune. They attempted to fix it once then ignored many follow up emails. They don’t want to deal with their own software issues if it takes time or costs them a refund.
EEvan..l
See 16 more reviews

FAQ

What vehicles does MG Flasher support?

MG Flasher supports a wide range of BMW models including M140i, M240i, M340i, M440i, M3, M4, 540i, M550i, M5, 640i, 740i, 840i, M8, and various X models, as well as Supra vehicles with compatible B48, B58, S58, N63, S63, and N74 engines.

How long does flashing take with MG Flasher?

Flashing with MG Flasher using ENET Wi-Fi typically takes only 15-20 seconds. However, the initial flash and ECU unlock with ENET Wifi will take approximately 4-6 minutes.

Can I switch maps on the fly with MG Flasher?

Yes, MG Flasher is the world's first solution for BMW B58/B48 vehicles to offer switchable maps on-the-fly. This is achieved through a simple combination of cruise control buttons, currently available for gen 1 and 2 B48, B58, and S58 engines.

Does MG Flasher have ads?

No, MG Flasher does not contain advertisements.

What are the custom options available in MG Flasher?

MG Flasher allows users to pick and choose performance mods, exhaust and cooling options, torque settings, and custom code options, among other features.

Is MG Flasher safe for my vehicle's warranty?

MG Flasher ensures that the CVN number and flashing counter remain untouched. This makes the software virtually invisible to dealer-level diagnostic tools, potentially preserving warranty visibility.

What is the age rating for MG Flasher?

MG Flasher has an age rating of 4+, making it suitable for a wide range of users.

How often is MG Flasher updated?

The latest version of MG Flasher is 505, and it was last updated on October 27, 2026. This indicates a recent update, suggesting ongoing development and support.