BOOTMOD3 N55 - BMW F-SERIES M2 M135I M235I M40I 335I 435I 535I 640I 740I ACTIVEHYBRID 3 X3 X4 X5 X6 TUNE

    The Most Advanced & Widely Adopted Customizable Flash Tuning Platform for the BMW F series



    Bootmod3 is a Cloud-based solution with a web-based interface and mobile apps for iOS and Android. Developed and tested in-house from the ground up over the course of almost 2 years prior to its November 2016 debut with new features and updates being added regularly makes the bootmod3 platform a custom BMW factory DME tuning solution like no other on the market today.

    Build the ultimate tune for your N55 powered vehicle and go from stock to full race calibration, and everywhere in between, with a map switch in the provided mobile app. bootmod3 calibrates the factory vehicle modules over the OBD port in a matter of minutes in the convenience of your driveway or anywhere internet access is available.

    Power Gains

    N55 pneumatic wastegate (PWG)
    Stage 1 95 octane: 24% BHP / 38% Torque
    Stage 1 98 octane: 26% BHP / 38% Torque
    Stage 2 95 octane: 28% BHP / 42% Torque
    Stage 2 98 octane: 30% BHP / 42% Torque

    N55 electronic wastegate (EWG)
    Stage 1 95 octane: 25%HP / 28% Torque
    Stage 1 98 octane: 27%HP / 30% Torque
    Stage 2 95 octane: 31%HP / 34% Torque
    Stage 2 98 octane: 33%HP / 36% Torque
    Stage 2 AGG (Aggressive burble) versions of maps also available.

    Custom Map Options

    • Exhaust Burble adjustments on any map (OTS & Custom)
    • GTS Start-up Roar
    • Max Cooling Mode
    • Cold start removal for quieter cold start
    • O2 Sensor removal for de-cat downpipes (for off-road use)
    • Custom Ignition Coil Adjustments
    • Custom TMAP Sensor Adjustments
    • Rev. Match (Eco, Sport, Sport+)
    • Rev. Match (DSC OFF)
    • Exhaust Flap Adjustments (Sport Mode)
    • Top Speed Limiter Removal
    • Custom High-Pressure Fuel Pump Settings
    • Boost by Gear % Reduction
    • DTC Deactivation
    • Re-calibrated Sport Gauges on iDrive
    • Maps for upgraded turbos
    • E85/blend, Race Gas, and Meth Injection Tuning
    • Custom Throttle Mapping
    • Backend Flash Maps for Piggyback Use


    bootmod3 app and cloud services offer many unique features not found in any other flash tune including:

    • Mobile app (iOS and Android) and Web (
    • One OTS map/tune included with the purchase and any other maps labelled as "FREE"
    • Datalogging hundreds of diagnostic channels, up to 70+ channels concurrently with the highest throughput and sample rates available
    • Data log sharing and charting without a need to upload to 3rd party websites or apps using the mobile app or web browser
    • Cloud-based storage for map data and data logs
    • ZF8HP45 Transmission Flash INCLUDED for all 8-speed Automatic Transmission Vehicles
    • Reverting back to stock performance map and re-locking the DME to stock programming
    • Live Dash - Realtime vehicle parameter monitoring via in-app gauges
    • Diagnostics
    • Read and clear trouble codes in all vehicle modules
    • Reset learned adaptations (octane, knock, Valvetronic, etc)
    • ECU power reset
    • (Optional) Off the shelf (OTS) tunes for 95/98/Race gas/E85 octane
    • (Optional) Custom tuning available through tuners in the bootmod3 Tuner Directory. bootmod3 contains a full map editor so you can tune your car yourself or with your local tuner of choice.

    Compatibility for N55 vehicles

    • 2012-2016 F20/F21 M135i
    • 2013-2016 F22/F23 M235i
    • 2011-2015 F30/F31 335i
    • 2013-2015 F30 ActiveHybrid 3
    • 2013-2016 F32/F33/F36 435i
    • 2009-2017 F07/F10/F11 535i
    • 2011-2018 F06/F12/F13 640i
    • 2012-2015 F01 740i
    • 2010-2017 F25 X3 xDrive35i
    • 2014-2016 F26 X4 xDrive35i
    • 2015-2018 F26 X4 M40i
    • 2014-2018 F15 X5 xDrive35i
    • 2014-2019 F16 X6 xDrive35i
    • 2016-2018 F87 M2

    If your N55 vehicle is not listed, please inquire with us

    Hardware Requirement

    OBD ENET cable required, available separately

    BM3 OBD Wi-Fi Adapter Device is not required to use the bootmod3 platform. It is a convenient option that removes the need for using a laptop in the car when using bootmod3's features.

    Direct ENET Cable connection to an iOS or Android device without having to use the BM3 Wi-Fi Adapter.


    ECU removal from the engine bay for unlocking OBD programming is NO LONGER REQUIRED.

    Note: If your car is a March 2019+ model, you may need to visit one of our partner garages to have the car bench unlocked before you can flash your ECU. Please contact us to know more.


    Some items used and/or installed by PRO TUNING FREAKS may void portions of your vehicle’s factory warranty. Some items may not be legal for “on public highway use”. PRO TUNING FREAKS makes no guarantees to the legality of any parts used for “on public highway vehicles” and accepts no responsibility for compliance with the vehicle’s factory warranty.


    Purchase Enquiry

    Please give us as much information as possible to help us with your enquiry.

    Find Out More

    Your Vehicle Details

    Power (BHP)


    Torque (NM)


    Info: Performance gains commensurate with age, mileage and condition of the vehicle, along with environmental conditions and grade of fuel.