Description
CarBahn Performance Stage 2 ECU Software Power Package is engineered specifically for the BMW G87 M2 with the S58 engine and automatic transmission, delivering substantial increases in horsepower and torque while maintaining the vehicle's existing safety systems.
On 93-octane fuel, the package produces up to 591 wheel horsepower and 530 lb-ft of wheel torque, with flywheel output reaching 704 HP and 631 lb-ft. With 100-octane fuel, output increases to 616 wheel horsepower and 538 lb-ft of wheel torque, equivalent to 733 flywheel horsepower and 640 lb-ft of flywheel torque.
The package includes Stage 2 software, a CarBahn heat exchanger, and CarBahn high-performance air filters. The software was developed with the CarBahn heat exchanger installed to achieve the claimed power output. The heat exchanger is required for the matching factory warranty.
CarBahn EVO Intelligent software seamlessly adapts to various fuel octane levels, optimizing performance without compromising safety. It retains existing safety features while adding additional protection as needed.
The factory top-speed governor is removed.
Important: This package can only be installed at an Authorized CarBahn dealer. The CarBahn heat exchanger is required for the claimed power output and for the matching factory warranty.
Performance Specifications
Stock – 93 Octane
- Wheel Horsepower: 465 WHP
- Wheel Torque: 421 lb-ft
- Flywheel Horsepower: 554 HP
- Flywheel Torque: 501 lb-ft
Tuned – 93 Octane
- Wheel Horsepower: 591 WHP
- Wheel Torque: 530 lb-ft
- Flywheel Horsepower: 704 HP
- Flywheel Torque: 631 lb-ft
Delta – 93 Octane
- Wheel Horsepower Gain: 126 WHP
- Wheel Torque Gain: 109 lb-ft
- Flywheel Horsepower Gain: 150 HP
- Flywheel Torque Gain: 130 lb-ft
Tuned – 100 Octane
- Wheel Horsepower: 616 WHP
- Wheel Torque: 538 lb-ft
- Flywheel Horsepower: 733 HP
- Flywheel Torque: 640 lb-ft
Delta – 100 Octane
- Wheel Horsepower Gain: 151 WHP
- Wheel Torque Gain: 117 lb-ft
- Flywheel Horsepower Gain: 180 HP
- Flywheel Torque Gain: 139 lb-ft
Package Includes
- CarBahn Stage 2 ECU Software
- CarBahn Heat Exchanger
- CarBahn HP Air Filters
- Top-speed governor removal
- CarBahn EVO Intelligent software with adaptive fuel-octane optimization
Fitment
Make: BMW
Model(s): M2
Vehicle Year(s): 2023, 2024, 2025, and 2026
Transmission(s): Automatic
Chassis: G87
Body Style(s): Coupe
Drivetrain(s): RWD
Fits Engines: S58
Part Number: CBG8X-9004
Installation: Dealer Install Only
This power package is specifically designed for 2023–2026 BMW G87 M2 Coupe models equipped with the S58 engine, automatic transmission, and rear-wheel drive (RWD).
Installation Requirement: This package can ONLY be installed at an Authorized CarBahn dealer.
Warranty Requirement: The software was developed with the CarBahn heat exchanger installed to achieve the claimed power output, and the heat exchanger is required for the matching factory warranty.
