SpeedBox 1.4 B.Tuning for Bosch SX

SIMPLIFIED INSTALLATION No need to find a suitable position for the Magnet Simulator DESIGNED FOR: Performance Line SX motors of 4. Gen (Motor Models BDU3142) (Motor Models BDU3143) Mounted with 2 top screws PROPERTIES: Maximum speed: Unlimited (max 35 km/h recommended) Display shows: Real speed: NO (only in SpeedBox App) Correct travelled distance: After the countdown process is finished Activation/deactivation (do not perform while riding): SpeedBox App WALK function Buttons - + - + Indication of tuning activation/deactivation: YES (3.5/2.5 km/h) Compatible with: Power Line SX motors of 4. Gen (Models BDU3142, BDU3143) E-bikes that have a magnet attached to a valve (Bosch Rim Magnet) The current Bosch software version Not compatible with: Standard magnet ABS system Please check your e-bike type and motor space before purchasing the product SpeedBox 1.4 B.Tuning for Bosch SX (Smart System + Rim Magnet) SpeedBox 1.4 B.Tuning is a premium tuning chip designed for Bosch Gen4 motors with Smart System and Rim Magnet configuration. It removes the speed limiter on your e-bike and connects via Bluetooth to the SpeedBox App, giving you full control over your ride and access to advanced performance data. Key Features Bluetooth-enabled tuning with mobile app integration Removes speed limiter for speeds up to 35 km/h (or higher, adjustable up to 99 km/h) Compatible with Bosch Performance Line SX motors (BDU3142, BDU3143) Designed for e-bikes using Bosch Rim Magnet (not compatible with standard magnet or ABS systems) Activation/deactivation via WALK assist or button sequence (- + - +) Real-time speed and trip data available through SpeedBox App Invisible mode and motor diagnostics included Easy installation with original connectors and detailed guides SpeedBox App Overview The SpeedBox App connects your e-bike to your mobile phone, displaying actual speed, trip statistics, and motor diagnostics. You can log rides, compare performance, and adjust tuning settings directly from your phone. The app requires Bluetooth 4.0 or higher and is available on Google Play and the App Store. App features include: Tuning control Speed limit adjustment Trip logging and performance comparison Invisible mode Motor diagnostics PIN and service password protection We recommend downloading the app before purchasing to test compatibility and explore its demo features. Operation & Setup Activate tuning via WALK assist (hold “–” button) or by pressing - + - + Display shows 3.5 km/h when tuning is active, 2.5 km/h when deactivated Speed limit can be adjusted using a mode-switching sequence After riding, wait for the display to show 0.0 km/h before turning off the bike Do not activate or deactivate tuning while riding Package Details Contents: SpeedBox 1.4 B.Tuning chip Important Notes Use only on private property; not legal for public roads in many regions May void your e-bike’s warranty Disable automatic updates in the eBike Flow App to reduce detection risk Always wear protective gear and follow safety guidelines Ride at your own risk; recommended maximum speed is 35 km/h Before installation, ensure your e-bike has been ridden at least 10 km. Connectors must be aligned correctly—do not rotate during connection.