BMW M3 ECU Tuning & Software

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  • CarBahn Stage 1 Performance Controller Box Stage 1 Performance Controller | BMW M3/M4

    671 HP Stage 1 Performance Controller | BMW G8X M3/M4

    • Fits Models: M3, M3 Competition, M3 Competition xDrive, M3 CS, M4, M4 Competition, and M4 Competition xDrive
    • Fits Chassis: G80, G82, and G83
    • Fits Years: 2021 - 2025
    • Part Number: CBPRC-0044
    In stock
  • CarBahn Stage 2 Performance Controller Box Stage 2 Performance Controller | BMW M2/M3/M4

    704 HP Stage 2 Performance Controller | BMW G8X M3/M4

    • Fits Models: M3, M3 Competition, M3 Competition xDrive, M3 CS, M4, M4 Competition, M4 Competition xDrive, and M4 CSL
    • Fits Chassis: G80, G82, and G83
    • Fits Years: 2021 - 2025
    • Fits Engines: S58
    • Part Number: CBPRC-0047, CBPRC-0073
    In stock
  • Stage 1 Power Package | BMW M3/M4 Stage 1 Power Package | BMW M3/M4

    Stage 1 Power Package | BMW M3/M4

    • Fits Models: M3 Competition, M3 Competition xDrive, M3 CS, M4 Competition, and M4 Competition xDrive
    • Fits Chassis: G80, G82, and G83
    • Fits Years: 2021-2025
    • Fits Engines: S58
    • Part Number: CBG8X-9001
    In stock
  • Image of a CarBahn Power Package with air filters, controller, and heat exchanger Stage 1 Power Package | BMW M3/M4 G8X

    Stage 1 Power Package | BMW M3/M4 G8X

    • Fits Models: M3, M3 Competition, M3 Competition xDrive, M3 CS, M4, M4 Competition, and M4 Competition xDrive
    • Fits Chassis: G80, G82, and G83
    • Fits Years: 2021-2024
    • Part Number: CBG8X-9003
    In stock
  • Stage 1 Software | BMW M2/M3/M4 Stage 1 Software | BMW M2/M3/M4

    Stage 1 Software | BMW M2/M3/M4

    • Fits Models: M2, M3, M3 Competition, M4, and M4 Competition
    • Fits Chassis: G87, G80, G82, and G83
    • Fits Years: 2021-2025
    • Part Number: CBS58-0301
    In stock
  • Stage 1 Software | BMW M2/M3/M4 Stage 1 Software | BMW M2/M3/M4

    Stage 1 Software | BMW M2/M3/M4

    • Fits Models: M2 Competition, M2 CS, M3, M3 Competition, M3 CS, M4, M4 Competition, and M4 CS
    • Fits Chassis: F87, F80, F82, and F83
    • Fits Years: 2015 - 2021
    • Fits Engines: S55
    • Part Number: CBS55-0001
    In stock
  • Let us help you find your perfect upgrade

    Our U.S. based sales team is ready to answer any of your performance upgrade questions. Call us at (866) 558-4314 or email today

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  • Stage 1 Software | BMW M3/M4 Stage 1 Software | BMW M3/M4

    Stage 1 Software | BMW M3/M4

    • Fits Models: M3 Competition, M3 Competition xDrive, M3 CS, M4 Competition, M4 Competition xDrive, M3, and M4
    • Fits Chassis: G80, G82, and G83
    • Fits Years: 2021-2025
    • Fits Engines: S58
    • Part Number: CBS58-0601
    In stock
  • Stage 2 Software | BMW M2 Stage 2 Software | BMW M2

    Stage 2 Software | BMW M2/M3/M4

    • Fits Models: M2, M3, and M4
    • Fits Chassis: G87, G80, G82, and G83
    • Fits Years: 2021-2025
    • Part Number: CBS58-0302
    In stock
  • Stage 2 Software | BMW M2/M3/M4 Stage 2 Software | BMW M2/M3/M4

    Stage 2 Software | BMW M2/M3/M4

    • Fits Models: M2 Competition, M2 CS, M3, M3 Competition, M3 CS, M4, M4 Competition, and M4 CS
    • Fits Chassis: F87, F80, F82, and F83
    • Fits Years: 2015-2021
    • Fits Engines: S55
    • Part Number: CBS55-0002
    In stock
  • Stage 3 Software | BMW M2/M3/M4 Stage 3 Software | BMW M2/M3/M4

    Stage 3 Software | BMW M2/M3/M4

    • Fits Models: M2 Competition, M2 CS, M3, M3 Competition, M3 CS, M4, M4 Competition, and M4 CS
    • Fits Chassis: F87, F80, F82, and F83
    • Fits Years: 2015 - 2021
    • Fits Engines: S55
    • Part Number: CBS55-0003
    In stock

BMW M3 ECU Tuning & Software

Unlock your BMW M3's full potential with CarBahn's ECU and software tuning options. Our state-of-the-art tuning packages are designed to enhance your M3's performance, optimize power delivery, and improve your driving dynamics. Shop today and upgrade your M3, M3 Competition, M3 Competition xDrive, and M3 CS with cutting-edge software and ECU tuning for max performance gains.