Description
Upgrade your BMW with CarBahn Performance Stage 2 ECU Software, engineered for BMW models equipped with the N55 engine. This calibration delivers up to 418 HP and 417 lb-ft of torque on 93-octane fuel while supporting a wide range of BMW applications, including the M235i, 335i, 435i, 535i, 640i, and 740i.
The Stage 2 software increases both flywheel and wheel output over the factory calibration. Measured wheel output reaches 368 WHP and 367 lb-ft of wheel torque, providing a substantial performance increase while retaining the vehicle's original stock program.
The software also provides diagnostic functionality and supports remote software upgrades through a compatible flash tuner and personal computer.
Authorized CarBahn dealer installation is required.
Performance Specifications
Calculated Flywheel Power
- OEM Stock: 337 HP / 377 lb-ft TQ
- Tuned on 93 Octane: 418 HP / 417 lb-ft TQ
- Flywheel Horsepower Gain: +81 HP
- Flywheel Torque Gain: +40 lb-ft TQ
Measured Wheel Power
- OEM Stock: 296 WHP / 332 lb-ft WTQ
- Tuned on 93 Octane: 368 WHP / 367 lb-ft WTQ
- Wheel Horsepower Gain: +72 WHP
- Wheel Torque Gain: +35 lb-ft WTQ
Key Features
- Stage 2 ECU performance software
- Up to 418 HP on 93-octane fuel
- Up to 417 lb-ft of flywheel torque
- Up to 368 WHP measured at the wheels
- Up to 367 lb-ft of measured wheel torque
- Saves the original stock program
- Reads and clears diagnostic faults
- Software upgrades can be emailed to you
- Upgrades can be installed using a compatible flash tuner and personal computer
- Designed for a wide range of BMW N55 applications
- Authorized CarBahn dealer installation required
Detailed Fitment
- Make: BMW
- Models: 335i, 335i xDrive, 435i, 435i xDrive, 535i, 535i xDrive, 640i, 640i xDrive, 740Li, 740i, M235i, M235i xDrive
- Vehicle Years: 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
- Transmissions: Automatic and Manual
- Chassis: E82, E90, F30, F33, F36, F13, F01, F02, F23
- Body Styles: Coupe, Sedan, Convertible
- Drivetrains: xDrive and RWD
Product Information
- Product Type: Tuning & Software
- Vendor: CarBahn
- Part Number: CBN55-0002
- Software Level: Stage 2
- Fuel Calibration: 93 Octane
- Maximum Output: 418 HP / 417 lb-ft TQ
- Installation: Dealer Install Only