Stage 1 Software | BMW M2/M3/M4

This can only be installed at an authorized CarBahn dealer! Special Instructions: The DME(s) need to be pulled out of the engine bay and shipped to Europe for unlock before flashing can be done at the dealer. The cost to unlock the DME and retain the remote start feature (if equipped) is an extra $1,375.00. Vehicle Fitment & Product Details Type Software Make BMW Model(s)M2, M3, M3 Competition, M4, and M4 Competition Vehicle Year(s)2021, 2022, 2023, 2024, and 2025 Transmission(s)Manual Chassis G87, G80, G82, and G83 Body Style(s)Coupe, Sedan, and Convertible Drivetrain(s)RWD Part Number CBS58-0301 Factory Matching Warranty 93 Octane Calculated Flywheel Power: OEM Stock: 528 HP/476 lb-ft TQ Tuned: 633 HP/589 lb-ft TQ Measured Wheel Power: OEM Stock: 465 WHP/476 lb-ft WTQ Tuned: 557 WHP/519 lb-ft WTQ Tuned - 100 Octane Calculated Flywheel Power: Tuned: 644 HP/599 lb-ft TQ Measured Wheel Power: Tuned: 567 WHP/527 lb-ft WTQ   *This can ONLY be installed at an Authorized CarBahn dealer! Fits Manual Transmission equipped models only! Stage 1 software $1,100 Matching warranty option $1,000 Optional Exhaust Overrun (Burbles) $100 Top Speed Governor removed CarBahn EVO Intelligent software adapts to various fuel octane levels seamlessly, optimizing performance without compromising safety. It retains existing safety features and adds extra protection as needed. For best performance use heat exchanger P/N CBF9X-2062.