B58-Gen2 CustomROM-V2 and REV2 CUSTOM TUNING 2020+ G20 M340, X3 M40i, X4 M40i A90 A91 TOYOTA SUPRAREV2 CONTROLLER HARDWARE AVAILABLE FOR PURCHASE HERE ***FEMTO ECU UNLOCKS BEGINNING March 17th, 2025 ARE UNLOCKED FOR BM3 CustomROM V2 Custom tuning for B58 Gen2 CustomROM V2 and the REV2 Controller is available for pump gas, race gas, full E85 and E85 blends. Results will vary depending on the fuel used and the weigh traction of your particular B58 model. CustomROM V2 adds new features such as: Expanded TMAP MAP sensor and pressure ratio support for

Various Nitrous Safeties such as Bottle under/over pressure

Developed and tested in-house from the ground up since its debut in November 2016 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 since

740i 2011 - 2016

bootmod3 CustomROM V2 software update implements DirectPWM to re-purpose an existing DME pin output and uses it to send a PWM signal directly through the OEM factory vehicle harness to a REV2 input

Once you get your DME back from Femto

splicing of OEM wiring/connectors

min Accel Pedal required

and fuel supply depending on how much ethanol content is added to the fuel tank

**B58s require upgraded fuel system components that are sufficient to support the ethanol % that you intend to use with your Flex Fuel tune

Port Injection

and we can't be more excited have you use it

and ethanol blends with methanol injection