Description
Unlock the performance potential of your BMW F9X M8 with CarBahn Performance 815 HP Stage 1 ECU Software. Designed for 2021–2025 BMW M8 and M8 Competition models, this Stage 1 ECU calibration is engineered for F91, F92, and F93 chassis applications with automatic transmissions and xDrive all-wheel drive.
Optimized for both 93-octane and 100-octane fuel, the CarBahn calibration delivers substantial increases in horsepower and torque. On 100-octane fuel, output reaches an impressive 815 flywheel HP and 754 lb-ft of torque, with measured wheel output reaching 669 WHP and 618 lb-ft WTQ.
The software also removes the factory top-speed governor and incorporates CarBahn EVO Intelligent technology, which adapts to various fuel octane levels while retaining existing safety features and adding additional protection as needed.
Performance Specifications
Stock
- Stock Wheel Power: 587 WHP
- Stock Wheel Torque: 578 lb-ft WTQ
- Stock Flywheel Power: 716 HP
- Stock Flywheel Torque: 689 lb-ft TQ
Tuned – 93 Octane
- Tuned Wheel Power: 642 WHP
- Tuned Wheel Torque: 618 lb-ft WTQ
- Tuned Flywheel Power: 783 HP
- Tuned Flywheel Torque: 754 lb-ft TQ
- Wheel Power Gain: 55 WHP
- Wheel Torque Gain: 53 lb-ft WTQ
- Flywheel Power Gain: 67 HP
- Flywheel Torque Gain: 65 lb-ft TQ
Tuned – 100 Octane
- Tuned Wheel Power: 669 WHP
- Tuned Wheel Torque: 618 lb-ft WTQ
- Tuned Flywheel Power: 815 HP
- Tuned Flywheel Torque: 754 lb-ft TQ
- Wheel Power Gain: 81 WHP
- Wheel Torque Gain: 54 lb-ft WTQ
- Flywheel Power Gain: 99 HP
- Flywheel Torque Gain: 65 lb-ft TQ
Product Features
- CarBahn Performance Stage 1 ECU Software
- Designed for BMW F9X M8 applications
- Compatible with M8 and M8 Competition models
- Supports F91, F92, and F93 chassis
- Optimized for 93- and 100-octane fuel
- Up to 815 HP and 754 lb-ft of torque on 100 octane
- Up to 669 WHP and 618 lb-ft WTQ on 100 octane
- Top-speed governor removed
- CarBahn EVO Intelligent software
- EVO Intelligent software adapts to various fuel octane levels seamlessly
- Optimizes performance without compromising safety
- Retains existing safety features
- Adds extra protection as needed
- Automatic transmission applications
- xDrive all-wheel-drive applications
Detailed Fitment
BMW M8
- Years: 2021, 2022, 2023, 2024, 2025
- Chassis: F91, F92, F93
- Transmission: Automatic
- Body Styles: Coupe, Gran Coupe, Convertible
- Drivetrain: xDrive
BMW M8 Competition
- Years: 2021, 2022, 2023, 2024, 2025
- Chassis: F91, F92, F93
- Transmission: Automatic
- Body Styles: Coupe, Gran Coupe, Convertible
- Drivetrain: xDrive
Complete Fitment Summary
- Make: BMW
- Models: M8, M8 Competition
- Vehicle Years: 2021, 2022, 2023, 2024, 2025
- Transmission: Automatic
- Chassis: F91, F92, F93
- Body Styles: Coupe, Gran Coupe, Convertible
- Drivetrain: xDrive
CarBahn EVO Intelligent Software
CarBahn EVO Intelligent software is designed to adapt seamlessly to various fuel octane levels. It optimizes performance while maintaining safety-focused operation, retaining existing safety features and adding additional protection as needed.
Installation
AUTHORIZED CARBAHN DEALER INSTALLATION ONLY
This software can ONLY be installed at an Authorized CarBahn dealer. Professional authorized installation is required.
Product Information
- Brand: CarBahn
- Product Type: Tuning & Software
- Part Number: CBF9X-0501
- Make: BMW
- Models: M8, M8 Competition
- Chassis: F91, F92, F93
- Installation: Dealer Install Only
CarBahn 815 HP Stage 1 ECU Software for 2021–2025 BMW F9X M8 and M8 Competition. Delivers up to 815 HP and 754 lb-ft on 100 octane.
