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CarBahn 487 HP Stage 1 Performance Controller | BMW M240i/M340i/M440i 2020-2024 G2X, G4X xDrive, RWD

Regular price $795.00

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Performance Gains Octane Rating Category OEM Stock Tuned 93 Octane Calculated Flywheel Power 436HP / 449TQ 471HP / 495TQ Measured Wheel Power 367WHP / 377WTQ 396WHP / 416WTQ 100 Octane Calculated Flywheel Power 436HP / 449TQ 487HP / 504TQ Measured Wheel Power 367WHP / 377WTQ 409WHP / 423WTQ CarBahn Performance Controller (CPC): The CarBahn Performance Controller (CPC) is a plug-and-play ECU that increases boost pressure in turbocharged vehicles, delivering significant horsepower and torque gains. The unit features selectable maps via a Bluetooth app, allowing you to optimize performance based on fuel octane levels. The app is available for download on both iOS and Android:
  • Apple App Store
  • Google Play Store
These maps support 91, 93, and 100 octane fuels, enabling additional performance enhancements. As with all CarBahn products, an optional powertrain warranty is available for purchase. If you choose to upgrade to CarBahn Software in the future, you can trade in your CPC for a $250 upgrade credit. If you purchased the warranty, it will transfer to the software at no additional charge. Emissions Legality A note on downpipes (removing the catalyst): Our testing has shown that removing the catalytic converter results in only an 11HP gain, significantly less than many claim. Additionally, removing the catalyst makes it difficult to pass emissions tests and is illegal. We encourage keeping emissions systems intact to support cleaner air. About Steve Dinan Steve Dinan has over 40 years of experience in streetcar tuning. As an engine supplier, his expertise has contributed to three prototype racing championships and two overall wins at the 24 Hours of Daytona with Chip Ganassi Racing. No one knows more about tuning high-performance engines than Steve Dinan. Warranty Information CarBahn’s Factory-Matching Warranty mirrors the original manufacturer’s warranty, ensuring protection for up to 4 years or 50,000 miles. For claims, simply take your car to the dealership as normal, and we handle the claims process. Learn more.
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