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BMW G8X M3/M4 671 HP Stage 1 Performance Controller

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Regular price $995.00
Regular price Sale price $995.00

Horsepower

Stock: 591 HP
Tuned: 671 HP*

Torque

Stock: 575 TQ
Tuned: 666 TQ*

*Measured using 100 Octane fuel at the CarBahn San Jose Dynamometer
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  • No ECU Unlock Needed
  • At-Home Install
  • Designed & Engineered in the USA
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In stock

SKU: CBPRC-0045

Vehicle Fitment & Product Details

  • Type: Tuning & Software
  • Vendor: CarBahn
  • Make: BMW
  • Model(s): M3, M3 Competition, M3 Competition xDrive, M3 CS, M4, M4 Competition, and M4 Competition xDrive
  • Vehicle Year(s): 2021, 2022, 2023, 2024, 2025, and 2026
  • Transmission(s): Manual and Automatic
  • Chassis: G80, G82, and G83
  • Drivetrain(s): RWD and xDrive
  • Measured Flywheel Horsepower: 671
  • Part Number: CBPRC-0044
  • Installation: Ready to Install
  • Installation Time (hrs): 2
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