bootmod3 BM3 BMW N55 F-Chassis Tuning Licence (OBD ECU Flash Remap) + FREE ENET Cable - Stage 1/2 OTS Maps - Compatible with M2, M135i, M235i, 335i, 435i, 535i, 640i, 740i, X3, X4, X5, X6 (PWG/EWG)

bootmod3 BM3 BMW N55 F-Chassis Tuning Licence (OBD ECU Flash Remap) + FREE ENET Cable - Stage 1/2 OTS Maps - Compatible with M2, M135i, M235i, 335i, 435i, 535i, 640i, 740i, X3, X4, X5, X6 (PWG/EWG)

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BOOTMOD3 BMW N55 F-Chassis BM3 Tuning Licence with FREE ENET Cable

Unlock serious power and drivability from your BMW N55 with the official bootmod3 BM3 remap licence. This is the market leading BMW N55 OBD flash tune for F-chassis cars, trusted worldwide and used by Nforcd and our customers for fast, reliable gains. Flash your ECU over OBD in minutes using a laptop or the bootmod3 iOS and Android app, switch between maps on the go and transform your M2, M135i, M235i, 335i, 435i, 535i, 640i, X3, X4, X5 and X6.

Included in this listing: 1 x BM3 N55 tuning licence plus a FREE high quality ENET cable for simple OBD flashing. No fuss, no delays, just instant access to proven BMW N55 performance tuning.

Why choose bootmod3 BM3 for your BMW N55

  • Fast OBD flashing via ENET cable - tune anywhere with internet access
  • One OTS map included - Stage 1 or Stage 2 options for common setups
  • Mobile app for iOS and Android plus full web interface
  • Live Dash gauges and advanced datalogging - over 200 channels, up to 40 at once
  • Cloud map storage, easy map switching, revert to stock any time and re-lock DME
  • Built-in diagnostics - read and clear fault codes across vehicle modules, reset adaptations and ECU power reset
  • Optional OTS maps for 91, 93, Race Gas and E85 blends, plus custom tuning support

Proven power gains on BMW N55

N55 pneumatic wastegate - PWG
Stage 1 91: 19% HP / 28% TQ
Stage 1 93: 21% HP / 30% TQ
Stage 2 91: 25% HP / 34% TQ
Stage 2 93: 27% HP / 36% TQ

N55 electronic wastegate - EWG
Stage 1 91: 25% HP / 28% TQ
Stage 1 93: 27% HP / 30% TQ
Stage 2 91: 31% HP / 34% TQ
Stage 2 93: 33% HP / 36% TQ

BMW M2 N55
Stage 1 91: 22% HP / 25% TQ
Stage 1 93: 25% HP / 27% TQ
Stage 2 91: 27% HP / 30% TQ
Stage 2 93: 30% HP / 33% TQ

Results depend on fuel quality, hardware and vehicle condition. We have seen excellent real world gains and outstanding drivability improvements on customer cars using BM3.

Map features and options

  • Top speed limiter removal
  • Raised rev limiter where applicable
  • Exhaust burble control
  • Cold start cat heat cycle and cat efficiency check removal for off road use
  • Support for upgraded turbos
  • E85 blends, race fuel and meth injection tuning
  • Custom throttle mapping
  • Backend flash maps for piggybacks such as JB4

Compatibility - BMW N55 F-Chassis

  • M135i 2012 - 2016
  • M235i 2013 - 2016
  • M2 2016 - 2018
  • 335i 2011 - 2015
  • 335i ActiveHybrid 2012 - 2015
  • 435i 2013 - 2016
  • 535i 2011 - 2017
  • 535i ActiveHybrid 2011 - 2017
  • 640i 2012 - 2017
  • 740i 2011 - 2016
  • X3 35i 2010 - 2017
  • X4 M40i 2015 - 2017
  • X5 40i 2013 - 2017
  • X6 40i 2014 - 2017

If your vehicle is not listed, please contact us for advice.

Wastegate type identification

Know your setup for correct map choice - PWG or EWG:

BMW N55 PWG EWG wastegate identification

Requirements and notes

  • ENET OBD cable required for flashing - included free with this product
  • A laptop or the bootmod3 OBD WiFi Agent device plus mobile app for wireless convenience
  • March 2019 onward cars or vehicles updated with later 2019+ BMW software may require a bench unlock prior to OBD flashing

DME removal is generally not required for most cars. For bench unlocks, contact us and we will guide you to a trusted partner.

Professional fitting and support

Prefer us to handle the setup and flashing. Nforcd offers installation and support in Warwickshire. Request a quote at Sales@nforcd.com and let our team configure your BM3 tune, log the car and optimise the setup.

Recommended add ons

  • bootmod3 BMW N55 F-Chassis OTS Maps Bundle for more map options
  • bootmod3 OBD WiFi Agent device for wireless flashing and live monitoring
  • Nforcd BMW F and G Series OBDII to ENET Cable - high quality spare cable

Warranty and emissions notice

Some items used or installed may affect your vehicle manufacturer warranty. Certain features are for off road use only. It is your responsibility to ensure compliance with local laws and regulations.

What this BM3 licence gives you

  • Official bootmod3 N55 tuning licence linked to your VIN
  • One off the shelf map included
  • Access to cloud-based tuning, datalogging and diagnostics
  • Free ENET cable included for immediate flashing

Search friendly terms

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