Home » BMW G90 & G99 M5 913HP Stage 1 Performance Controller
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BMW G90 & G99 M5 913HP Stage 1 Performance Controller

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Part Number: CBB11-PC-0061C
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$1,195.00
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HORSEPOWER
913 HP +135 HP
Stock: 778 HP
TORQUE
969 TQ +135 TQ
Stock: 834 TQ
*Measured using 100 octane fuel at the CarBahn San Jose dynamometer.

Choose your installation method

Set up your controller the way that works for you.

Starting at $1,195.00
Dealer installation labor is not included in this total.

Vehicle Fitment

Compatible vehicles and model years.

Vehicle Model Years
ESTIMATED INSTALLATION TIME
1.5 hours

Typical labor time for this product.

INSTALLATION RESOURCES
Installation Guide
Need professional installation?

Find an authorized CarBahn dealer to arrange installation and request a labor quote.

Find an Authorized Dealer
Questions before you order? Our performance specialists can help.
(866) 558-4314

Performance Controller FAQs

Answers to common questions about installation, upgrades, tuning and warranty coverage.

Do I need an ECU unlock for a Performance Controller?

No. CarBahn Performance Controllers are plug-and-play devices that work with your vehicle's factory ECU without requiring an ECU unlock or software flash. You can install the controller at home or through a professional installer.

Why is a heat exchanger required for Stage 2?

Stage 2 produces additional power and heat, placing greater demands on the charge-air cooling system. The CarBahn Heat Exchanger provides increased cooling capacity to help control intake temperatures and maintain consistent performance.

The required CarBahn Heat Exchanger must be installed to achieve advertised Stage 2 performance and qualify for CarBahn's optional Factory Matching Warranty.

Can I upgrade to ECU reflash software later?

Yes. If you decide to move from a Performance Controller to CarBahn ECU Software, contact our tuning team to arrange the upgrade.

CarBahn offers a $250 controller trade-in credit toward eligible ECU Software purchases. Unlike the controller, ECU Software requires an ECU unlock and a compatible installation process. Your CarBahn dealer can help coordinate the conversion.

Does the warranty cover my powertrain if I install the controller myself?

CarBahn offers an optional Factory Matching Warranty for eligible vehicles and Performance Controller configurations. This provides separate coverage for qualifying powertrain repairs under CarBahn's warranty terms.

Self-installation does not automatically establish or exclude coverage. Your vehicle, installation, required supporting hardware and warranty purchase must satisfy the applicable terms and eligibility requirements.

We recommend confirming your eligibility with our team before installation, particularly if you plan to install the controller yourself.

How do I pair my Performance Controller with the app?

Download the Tuning Pro app and locate the 13-digit serial number on your controller or product cover sheet. Turn on your vehicle's ignition without starting the engine, enable Bluetooth, and disconnect other Bluetooth devices during initial pairing.

Open the app, enter the 13-digit serial number, and use the final six digits as the Bluetooth PIN when prompted. Once connected, select the map appropriate for the fuel in your tank.

View the complete pairing guide

What fuel octane levels are supported?

CarBahn Performance Controllers support selectable calibrations for 91, 93 and 100 octane fuel. Choose the appropriate map through the Tuning Pro app based on the fuel currently in your tank.

Higher-octane maps must only be used with the corresponding fuel. Available power output varies by vehicle and selected calibration.

Can I upgrade from Stage 1 to Stage 2 remotely, or do I need a new controller?

You don't need to purchase an entirely new controller. CarBahn supports remote upgrades from Stage 1 to Stage 2 on eligible Performance Controllers, so the existing unit can be updated without removal.

Stage 2 supporting hardware, including the required CarBahn Heat Exchanger, must be installed before operating the upgraded calibration. Contact our tuning team to confirm your configuration and arrange the upgrade.

Vehicle Fitment & Product Details

  • Type: Tuning & Software
  • Vendor: CarBahn
  • Make: BMW
  • Model(s): M5
  • Vehicle Year(s): 2025, 2026, and 2027
  • Transmission(s): Automatic
  • Chassis: G90 and G99
  • Body Style(s): Sedan and Touring
  • Drivetrain(s): xDrive
  • Measured Flywheel Horsepower: 913
  • Part Number: CBB11-PC-0061
  • Fits Engines: S68
  • Installation: Self-Install
  • Installation Time (hrs): 1
  • Installation Instructions: Download
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Product Description
CarBahn Stage 1 Performance Controller

BMW G90 M5 & G99 M5 Touring Performance Upgrade

More power from your twin-turbo V8, without flashing the factory ECU. The CarBahn Stage 1 Performance Controller is a plug-and-play, tuning module with Bluetooth-selectable 91, 93 and 100 octane maps.

Up to 913 HP / 969 lb-ftCalculated flywheel output on 100 octane
Plug-and-play installationNo DME unlock needed
Bluetooth map selectionChoose the map that matches your fuel using the CarBahn app

BMW M5 Stage 1 Horsepower and Torque Gains

See how the Stage 1 controller performs on 93 and 100 octane. The figures below distinguish measured wheel output from calculated flywheel output so you can compare results consistently.

Fuel Measured wheel power Measured wheel torque Calculated flywheel output
93 octane 707 HP (+69) 752 lb-ft (+68) 862 HP / 917 lb-ft
100 octane 749 HP (+111) 795 lb-ft (+111) 913 HP / 969 lb-ft

Figures from CarBahn's supplied San Jose dynamometer materials. Flywheel values are calculated estimates, not direct crankshaft measurements. The 100-octane interactive chart below uses the more precise reported peak readings. Results can vary by vehicle, fuel and test conditions.

100 Octane · Wheel Measurements

Explore the Dyno Curves

Stock vs. Stage 1 · BMW G90 M5
Move the RPM slider or hover over either graph
PEAK WHEEL HORSEPOWER749.40 HP
+110.91 HP vs stock (638.49 HP)
PEAK WHEEL TORQUE795.32 lb-ft
+111.04 lb-ft vs stock (684.28 lb-ft)
5,200

Torque (lb-ft)

Horsepower (HP)

Change Octane Maps from Your Phone

The CarBahn smartphone app pairs with your performance controller over Bluetooth so you can select a calibration for the fuel you're using.

  • 91, 93 and 100 octane map selection
  • Bluetooth pairing with the controller
  • iOS and Android app support
  • Controller-specific pairing and saved settings

Always select the map appropriate for the fuel in the vehicle. Confirm app compatibility and setup instructions for your controller before installation.

CarBahn smartphone app showing selectable performance driving modes

Installation, Compatibility and Ownership

BMW M5 fitmentDesigned for the G90 M5 sedan and G99 M5 Touring. Verify the specific model-year fitment on this product listing.
No ECU flashPlug-and-play controller installation without rewriting the factory ECU software.
Factory Matching Warranty AvailableCarBahn offers a Factory Matching Warranty for this vehicle. Covers the powertrain for up to 4 Years / 50k miles from original in-service date.

Frequently Asked Questions

How much horsepower does the CarBahn Stage 1 G90 M5 controller add?

On 100 octane, the supplied dyno recorded a gain of 110.91 wheel horsepower and 111.04 lb-ft of wheel torque. On 93 octane, reported gains were approximately 69 wheel horsepower and 68 lb-ft of wheel torque.

Is 913 horsepower measured at the wheels?

No. The 913 HP figure is calculated flywheel horsepower on 100 octane. The measured wheel horsepower is 749.40 HP on the supplied dyno run.

Do I need to flash the BMW ECU?

No. This Stage 1 Performance Controller is a plug-and-play tuning module and does not require a factory ECU flash.

Which fuel grades are supported?

The controller offers selectable maps for 91, 93 and 100 octane. Select the map that matches the fuel you're using.

Is there a powertrain warranty?

CarBahn offers an optional powertrain warranty program called the Factory Matching Warranty. Coverage is subject to its terms, conditions and eligibility requirements.