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BMW G8X M3/M4 CarBahn Stage 1 Software (CBS58-0601)

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.

 

Specs & Performance

Comp RWD

93 Octane

Calculated Flywheel Power:
OEM Stock: 591 HP/575 lb-ft TQ
Tuned: 702 HP/650 lb-ft TQ

Measured Wheel Power:
OEM Stock: 508 WHP/494 lb-ft WTQ
Tuned: 604 WHP/559 lb-ft WTQ

Tuned - 100 Octane

Calculated Flywheel Power:
Tuned: 724 HP/655 lb-ft TQ
Measured Wheel Power:
Tuned: 623 WHP/563 lb-ft WTQ

Comp x-Drive

93 Octane

Calculated Flywheel Power:
OEM Stock: 577 HP/561 lb-ft TQ
Tuned: 702 HP/650 lb-ft TQ

Measured Wheel Power:
OEM Stock: 484 WHP/471 lb-ft WTQ
Tuned: 576 WHP/533 lb-ft WTQ

Tuned - 100 Octane

Calculated Flywheel Power:
Tuned: 724 HP/655 lb-ft TQ
Measured Wheel Power:
Tuned: 594 WHP/537 lb-ft WTQ

  • *This can ONLY be installed at an Authorized CarBahn dealer!
  • Fits Automatic Transmission equipped models only!
  • 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.
  • For best performance use heat exchanger P/N CBG8X-2001 or purchase power package 1.

The History of How We Got Started

CARBAHN Autoworks is led by Steve Dinan, a luxury car enthusiast just like you. His vast experience with high-powered BMW performance is more than just a hobby. He even took his BMW expertise to the race track, where he gained firsthand knowledge about maximizing your BMW’s potential. From behind the wheel of a BMW, he’s gained a more in-depth knowledge and understanding of how to maximize their performance and potential. CARBAHN Autoworks reputation for unmatched technical knowledge and attention to detail builds from a lifetime in the auto service industry. In fact, it’s our exceptional service, state-of-the-art diagnostic technology, and competitive pricing that make CARBAHN Autoworks the premier alternative to dealer service for complete BMW and Mercedes repair. As an automotive and race engineer Steve’s passion for these superior vehicles translates into a deep understanding of, and intense commitment to how they perform. In 1979, he started the largest company in North America dedicated to BMW high performance (Dinan Engineering). He was acting CEO and Technical Director for 36 years. Dinan secured a contract with BMWNA in 1997 and is the only company that has approval to sell their product out of BMW dealers. Sixteen years as a racing driver retiring from driving in 1996. A racing chassis engineer for 10 years. A racing engine supplier for 10 years. Steve Dinan has won 11 championships including two 24 hours of Daytona!

Vehicle Galleries (1 photos available)