
BootMod3 BM3 ECU Flash Tuning - BMW F Series and G Series B48 - 120i 125i 220i 225i 320i 330i 330e 420i 430i 520i 530i X3 X4 20i 25i 30i
Unlock serious power, sharper throttle response and next-level drivability from your BMW B48 with BootMod3 BM3. This is the original BMW F Series and G Series custom flash tuning platform that reprograms your factory DME safely over OBD, giving you Stage 1 and Stage 2 performance in minutes. Built and tested over years, BM3 is the go-to BMW B48 tune for daily driving, track days and spirited road use, trusted worldwide and supported right here in the UK by Nforcd.
We use BootMod3 on our own cars and our customers love the gains, smooth power delivery and the convenience of map switching on the fly. If you are searching for BMW B48 tuning, BMW remap UK, BM3 tune, BootMod3 UK, Stage 1 B48, Stage 2 B48, BMW 120i 125i 220i 225i 320i 330i 330e 420i 430i 520i 530i X3 20i X4 30i remap, this is the solution you want.
Compatible BMW models - B48 engine
- 1 Series - 120i, 125i
- 2 Series - 220i, 225i
- 3 Series - 320i, 330i, 330e
- 4 Series - 420i, 430i
- 5 Series - 520i, 530i
- X3 - 20i, 25i, 30i
- X4 - 20i, 25i, 30i
Why BootMod3 BM3 for your BMW B48
- OBD flash tuning from your driveway using cloud-based web, iOS and Android apps
- Stage 1 and Stage 2 OTS maps available for 91, 93, race fuel and E85 blends
- Map switching in-app - go from stock to full performance in minutes
- Datalogging of over 200 channels, up to 40 concurrently, with cloud storage and easy sharing
- Live Dash real-time gauges and monitoring
- Read and clear fault codes in all vehicle modules
- Reset learned adaptations such as octane, knock and Valvetronic
- Revert to stock map and re-lock the DME to stock programming whenever needed
- Regular feature updates and improvements through the BootMod3 cloud
Performance map features
- Top speed limiter removal
- Raised rev limiter where appropriate
- Exhaust burble calibration
- Cold start cat heat cycle and cat efficiency check removed for off-road use
- Support for upgraded turbos
- E85 blend, race fuel and meth injection tuning options
- Custom throttle mapping
- Backend flash maps for use with piggybacks such as JB4
Custom tuning and map editor
Use an included OTS map or work with a pro tuner from the BootMod3 Tuner Directory for a custom calibration. A full map editor is built in so you or your chosen tuner can tailor the tune to your hardware, fuel and goals.
What you need
- OBD ENET cable required - available separately
- BootMod3 OBD WiFi Agent optional - convenient for wireless flashing and logging; a laptop with ENET cable also works
- Internet connection during setup and flashing
Fast setup
Prior DME removal from the engine bay for unlocking OBD programming is no longer required. Flash your BMW B48 safely and quickly over OBD with the BM3 app or web portal.
Why buy from Nforcd
- UK-based support and guidance for BMW B48 tuning with BootMod3
- We have hands-on experience using BM3 on our own vehicles
- Happy customers across the UK praising the power gains and drivability
Installation and fitting
Want us to handle the setup, flashing and datalog review for your BMW B48 Stage 1 or Stage 2 tune? Nforcd is based in Warwickshire and offers installation support and services. Request a quote at Sales@nforcd.com.
Important notes
- OTS map included with purchase
- Some features such as cold start and cat checks are for off-road use only
- Compatibility depends on vehicle software level and hardware configuration
Warranty and emissions disclaimer
Some items used and installed may void portions of your vehicle’s factory warranty. Some items may not be legal for on-highway use. It is your responsibility to ensure compliance with local laws and regulations and with your vehicle’s warranty terms.
If you have any questions about BMW B48 tuning, BM3 maps, Stage 1 or Stage 2 setup, OBD flashing, ENET cables or custom tuning options for your 120i, 125i, 220i, 225i, 320i, 330i, 330e, 420i, 430i, 520i, 530i, X3 20i, X4 30i, contact our team at Sales@nforcd.com.