Bootmod3 BM3 BMW S63TU OBD Flash Tuning Licence | ECU Remap for M5 M6 X5M X6M (F10 F12 F13 F06 F85 F86) | OTS & Custom Maps | UK Supplier

BM3 Activation for BMW S63TU V8 Biturbo via OBDII

Give your F-series M car the software it deserves. This Bootmod3 licence delivers an at-home flash for the S63TU engine using the OBDII port, unlocking premium calibrations, rapid map changes and in-depth logging for F10 M5, F12 M6, F13 M6, F06 M6 Gran Coupe, F85 X5M and F86 X6M. Perfect for drivers searching for a BMW M5 tune UK, S63 TU software upgrade, M6 engine calibration, or X5M and X6M performance software from a trusted British supplier.

What this BM3 licence gives you

• OBDII flash at home. No DME removal required
• Preconfigured calibrations plus the option for bespoke mapping
• Switch between stock and performance maps in minutes
• Cloud-based map management and datalog sharing
• Ability to restore factory software whenever you wish

Driver-focussed features enthusiasts search for

• Stage 1 and Stage 2 style files tailored to hardware and fuel
• Support for AKI 91 and 93 plus UK 95, 98 and 99 RON fuels
• Speed limiter removal and raised RPM limit where applicable
• Sport Display recalibration on iDrive
• Optional cold start and catalyst efficiency changes for off road use only
• Maps available for upgraded turbos and backend flash compatibility with piggybacks such as JB4
• Full editor access and Tuner Directory for custom work

Data, diagnostics and control

• Log 200 plus engine parameters with multiple channels at once
• Live dashboard with real time gauges for key metrics
• Cloud storage for files and logs with easy sharing via app or browser
• Read and clear fault codes across vehicle modules
• Reset learned adaptations including octane, knock and Valvetronic
• ECU power reset utilities

What you need to flash

• ENET OBD cable required. Sold separately
• Optional Bootmod3 OBD WiFi Agent for wireless flashing
• Internet connection and the Bootmod3 app on iOS or Android, or use a web browser

Supported vehicles

Compatible with BMW S63TU V8 platforms:

• BMW M5 F10
• BMW M6 F12 Convertible
• BMW M6 F13 Coupe
• BMW M6 F06 Gran Coupe
• BMW X5M F85
• BMW X6M F86

Not sure which calibration is right for your modifications and fuel in the UK market? Get in touch and we will confirm the optimal setup for your exact vehicle.

Why enthusiasts choose this software

We run BM3 on S63TU cars in house and customer feedback is consistently excellent. Owners love the stronger mid range, crisp throttle feel, effortless map switching and the confidence of being able to revert to stock. If you are searching for BMW M5 tuning UK, F10 M5 software, M6 ECU software or an X5M X6M calibration that delivers, this is the platform we recommend.

Buy with confidence from a UK specialist

• British supplier with real world S63TU experience
• Friendly advice on map selection, fuel, and hardware pairings
• Aftercare and technical support

Professional installation and setup

Prefer us to handle the flashing and configuration on your BMW M5, M6, X5M or X6M? MJ Modifications offers fitting and setup in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Frequently asked questions

Is it suitable for daily use?
Yes, provided you choose a calibration appropriate for your fuel quality and hardware and follow the supplied map notes.

Do I need special tools?
You can flash via the OBD port using an ENET cable or the optional Bootmod3 OBD WiFi Agent and an internet connected device.

Can I go back to the factory file?
Absolutely. You can reflash the OEM software and re-lock the control unit at any time.

Is custom tuning supported?
Yes. Work with a professional via the Tuner Directory or use the editor for advanced adjustments.

Important notes

• This listing is for the Bootmod3 S63TU software licence
• Available features and fuel options may vary by vehicle and region
• Always run suitable fuel for the selected calibration
• Emissions related changes such as cold start and catalyst settings are for off road use only

Warranty and compliance

Some modifications or software changes may affect manufacturer warranty. Certain functions may not be legal for road use in some regions. The buyer is responsible for ensuring compliance with local laws and regulations.

Have a question about S63TU software, off the shelf maps, custom mapping or compatibility for your F-series M car? Email info@mjmodifications.co.uk and our team will be happy to help.