Description
Upgrade your BMW F8X M2, M3, or M4 with CarBahn Performance Stage 2 Software, engineered to deliver up to 605 HP and 578 lb-ft of torque from the S55 engine. This performance ECU calibration is designed for Base, Competition, and CS models and supports both manual and automatic transmissions.
The CarBahn Stage 2 software significantly increases power over the factory calibration while maintaining the vehicle's RWD configuration. Depending on the model, tuned output reaches 533 WHP and 509 lb-ft of wheel torque.
The calibration includes support for Competition and CS models and is installed exclusively by an authorized CarBahn dealer.
Performance Specifications
Base Model
Calculated Flywheel Power
- OEM Stock: 414 HP / 460 lb-ft TQ
- Tuned: 605 HP / 578 lb-ft TQ
- Flywheel Horsepower Gain: +191 HP
- Flywheel Torque Gain: +118 lb-ft TQ
Measured Wheel Power
- OEM Stock: 364 WHP / 405 lb-ft WTQ
- Tuned: 533 WHP / 509 lb-ft WTQ
- Wheel Horsepower Gain: +169 WHP
- Wheel Torque Gain: +104 lb-ft WTQ
Competition Model
Calculated Flywheel Power
- OEM Stock: 476 HP / 477 lb-ft TQ
- Tuned: 605 HP / 578 lb-ft TQ
- Flywheel Horsepower Gain: +129 HP
- Flywheel Torque Gain: +101 lb-ft TQ
Measured Wheel Power
- OEM Stock: 419 WHP / 420 lb-ft WTQ
- Tuned: 533 WHP / 509 lb-ft WTQ
- Wheel Horsepower Gain: +114 WHP
- Wheel Torque Gain: +89 lb-ft WTQ
CS Model
Calculated Flywheel Power
- OEM Stock: 493 HP / 529 lb-ft TQ
- Tuned: 605 HP / 578 lb-ft TQ
- Flywheel Horsepower Gain: +112 HP
- Flywheel Torque Gain: +49 lb-ft TQ
Measured Wheel Power
- OEM Stock: 434 WHP / 465 lb-ft WTQ
- Tuned: 533 WHP / 509 lb-ft WTQ
- Wheel Horsepower Gain: +99 WHP
- Wheel Torque Gain: +44 lb-ft WTQ
Key Features
- Stage 2 ECU performance software
- Up to 605 HP of calculated flywheel power
- Up to 578 lb-ft of calculated flywheel torque
- Up to 533 WHP of measured wheel power
- Up to 509 lb-ft of measured wheel torque
- Designed for BMW F8X M2, M3, and M4 models
- Fits S55 engine applications
- Includes Competition models
- Includes CS models
- Supports manual and automatic transmissions
- Rear-wheel drive application
- Authorized CarBahn dealer installation required
Detailed Fitment
- Make: BMW
- Models: M2 Competition, M2 CS, M3, M3 Competition, M3 CS, M4, M4 Competition, M4 CS
- Vehicle Years: 2015, 2016, 2017, 2018, 2019, 2020, 2021
- Transmissions: Automatic and Manual
- Chassis: F87, F80, F82, F83
- Body Styles: Coupe, Sedan, Convertible
- Drivetrain: RWD
- Engine: S55
Product Information
- Product Type: Tuning & Software
- Vendor: CarBahn
- Part Number: CBS55-0002
- Software Level: Stage 2
- Maximum Advertised Output: 605 HP / 578 lb-ft TQ
- Installation: Dealer Install Only
- Competition Models: Included
- CS Models: Included
