Home » 754HP Stage 2 ECU Software Power Package | BMW G8X M3/M4
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754HP Stage 2 ECU Software Power Package | BMW G8X M3/M4

754HP Stage 2 ECU Software Power Package | BMW G8X M3/M4

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$2,645.00
$2,939.00 $2,645.00

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NOTE: *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 additional $1,375.00
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What's the Factory Matching Warranty?

CarBahn's Factory-Matching Warranty provides coverage that mirrors your original manufacturer’s warranty, ensuring your vehicle remains protected even after performance upgrades, with up to 4 years or 50,000 miles, whichever comes first. If you have a problem with the powertrain, simply take your car to the dealership as usual, and we'll handle the details. Some restrictions apply. Click here for full terms.

Vehicle Fitment & Product Details

  • Type: Tuning & Software
  • Vendor: CarBahn
  • Make: BMW
  • Model(s): M3 Competition, M3 Competition xDrive, M3 CS, M4 Competition, and M4 Competition xDrive
  • Vehicle Year(s): 2021, 2022, 2023, 2024, 2025, and 2026
  • Transmission(s): Automatic
  • Chassis: G80, G82, and G83
  • Body Style(s): Coupe, Sedan, and Convertible
  • Drivetrain(s): xDrive and RWD
  • Part Number: CBG8X-9001
  • Fits Engines: S58
  • Installation: Dealer Install Only
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Product Description

Specs & Performance

Comp RWD

Calculated Flywheel Power Measured Wheel Power
93 Octane OEM Stock: 591 HP / 575 lb-ft TQ
Tuned: 735 HP / 668 lb-ft TQ		 OEM Stock: 508 WHP / 494 lb-ft WTQ
Tuned: 632 WHP / 574 lb-ft WTQ
Tuned – 100 Octane Tuned: 754 HP / 679 lb-ft TQ Tuned: 648 WHP / 584 lb-ft WTQ

Comp xDrive

Calculated Flywheel Power Measured Wheel Power
Stock – 93 Octane OEM Stock: 591 HP / 575 lb-ft TQ
Tuned: 735 HP / 668 lb-ft TQ		 OEM Stock: 484 WHP / 471 lb-ft WTQ
Tuned: 602 WHP / 548 lb-ft WTQ
Tuned – 100 Octane Tuned: 754 HP / 679 lb-ft TQ Tuned: 618 WHP / 557 lb-ft WTQ
  • *This can ONLY be installed at an Authorized CarBahn dealer!
  • Fits Automatic Transmission equipped models only!
  • Includes ST2 software, Heat Exchanger, CarBahn High Performance air filters.
  • Does not include Manual Transmission equipped models.
  • 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.
  • This software was developed with our heat exchanger installed to achieve the claimed power output and it is required for our matching factory warranty!