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Engineered to Outperform
Designed to Endure
Build your dream performance package today designed by the one and only Steve Dinan.
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Our Factory Matching Warranty
CarBahn offers a factory matching warranty on our ECU tunes to give you peace of mind.
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Tuning Cars Since 1977
Our founder, Steve Dinan, has been tuning BMWs, Audis, and Mercedes for almost a half a century with industry leading engineering.
#WeSpeakSpeed
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U.S. Based Sales & Support
Our team offices in Littleton, Colorado & San Jose, California. Let's talk shop!
Get Extra Boost with a Power Package
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657 HP Stage 1 Power Package with Performance Controller | BMW G87 M2
- Fits Make: BMW
- Fits Models: M2
- Fits Chassis: G87
- Fits Years: 2023 - 2025
- Fits Engines: S58
- Part Number: CBG8X-9004
Regular price $2,645.00Regular priceUnit price / per$2,994.00Sale price $2,645.00Sale -
733 HP Stage 1 Power Package | BMW G87 M2
- Fits Make: BMW
- Fits Models: M2
- Fits Chassis: G87
- Fits Years: 2023 - 2025
- Fits Engines: S58
- Part Number: CBG8X-9004
Regular price $2,645.00Regular priceUnit price / per$2,939.00Sale price $2,645.00Sale -
704 HP Stage 1 Power Package with Performance Controller | BMW G8X M3/M4
- Fits Make: BMW
- 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
Regular price $2,645.00Regular priceUnit price / per -
675 HP Stage 1 Power Package | BMW M3/M4 Manual Transmissions
- Fits Make: BMW
- Fits Models: M3 and M4
- Fits Chassis: G80, G82, and G83
- Fits Years: 2021-2025
- Fits Engines: S58
- Part Number: CBG8X-9005
Regular price $2,645.00Regular priceUnit price / per$2,939.00Sale price $2,645.00Sale -
798 HP Stage 1 Power Package with Performance Controller | BMW F9X M5/M8
- Fits Make: BMW
- Fits Models: M5, M5 Competition, M8, and M8 Competition
- Fits Chassis: F90, F91, F92, and F93
- Fits Years: 2021 - 2025
- Fits Engines: S63
- Part Number: CBF9X-9005
Regular price $2,905.00Regular priceUnit price / per$3,229.00Sale price $2,905.00Sale -
854 HP Stage 1 Power Package | BMW F9X M5 (2021+)
- Fits Make: BMW
- Fits Models: M5 and M5 Competition
- Fits Chassis: F90
- Fits Years: 2021 - 2023
- Fits Engines: S63
- Part Number: CBF9X-9107
Regular price $3,176.00Regular priceUnit price / per$3,529.00Sale price $3,176.00Sale -
882 HP Stage 2 Power Package | BMW F9X M5
- Fits Make: BMW
- Fits Models: M5 and M5 Competition
- Fits Chassis: F90
- Fits Years: 2021 - 2023
- Fits Engines: S63
- Part Number: CBF9X-9106
Regular price $6,641.00Regular priceUnit price / per$7,379.00Sale price $6,641.00Sale -
882 HP Stage 2 Power Package | BMW F9X M5 (2018-2020)
- Fits Make: BMW
- Fits Models: M5 and M5 Competition
- Fits Chassis: F90
- Fits Years: 2018 - 2020
- Fits Engines: S63
- Part Number: CBF9X-9002
Regular price $6,641.00Regular priceUnit price / per$7,379.00Sale price $6,641.00Sale -
854 HP Stage 1 Power Package | BMW F9X M8
- Fits Make: BMW
- Fits Models: M8 and M8 Competition
- Fits Chassis: F91, F92, and F93
- Fits Years: 2020
- Fits Engines: S63
- Part Number: CBF9X-9101
Regular price From $4,055.00Regular priceUnit price / per -
885 HP Stage 2 Power Package | BMW F9X M8
- Fits Make: BMW
- Fits Models: M8 and M8 Competition
- Fits Chassis: F91, F92, and F93
- Fits Years: 2021 - 2024
- Fits Engines: S63
- Part Number: CBF9X-9108
Regular price From $7,855.00Regular priceUnit price / per -
Stage 1 Power Package | BMW X3M/X4M
FITS YOUR VEHICLE:BMW-X3-M-2021 BMW-X3-M-2022 BMW-X3-M-2023 BMW-X3-M-2024 BMW-X3-M-Competition-2021 BMW-X3-M-Competition-2022 BMW-X3-M-Competition-2023 BMW-X3-M-Competition-2024 BMW-X4-M-2021 BMW-X4-M-2022 BMW-X4-M-2023 BMW-X4-M-2024 BMW-X4-M-Competition-2021 BMW-X4-M-Competition-2022 BMW-X4-M-Competition-2023 BMW-X4-M-Competition-2024 - Fits Make: BMW
- Fits Models: X3 M, X3 M Competition, X4 M, and X4 M Competition
- Fits Chassis: F97 and F98
- Fits Years: 2021-2024
- Fits Engines: S58
- Part Number: CBF9X-9004
Regular price From $3,625.00Regular priceUnit price / per -
Stage 1 Power Package | BMW X3M/X4M
- Fits Make: BMW
- Fits Models: X3 M, X3 M Competition, X4 M, and X4 M Competition
- Fits Chassis: F97 and F98
- Fits Years: 2019 - 2020
- Part Number: cbf9x-9003
Regular price $3,525.00Regular priceUnit price / per -
Stage 1 Power Package | BMW X5M/X6M
FITS YOUR VEHICLE:BMW-X5-M-2021 BMW-X5-M-2022 BMW-X5-M-2023 BMW-X5-M-Competition-2021 BMW-X5-M-Competition-2022 BMW-X5-M-Competition-2023 BMW-X6-M-2021 BMW-X6-M-2022 BMW-X6-M-2023 BMW-X6-M-Competition-2021 BMW-X6-M-Competition-2022 BMW-X6-M-Competition-2023 - Fits Make: BMW
- Fits Models: X5 M, X5 M Competition, X6 M, and X6 M Competition
- Fits Chassis: F95 and F96
- Fits Years: 2021 - 2023
- Fits Engines: S63
- Part Number: CBF9X-9103
Regular price From $4,075.00Regular priceUnit price / per -
Stage 1 Power Package | BMW M235i/335i/435i
FITS YOUR VEHICLE:BMW-335i-2012 BMW-335i-2013 BMW-335i-2014 BMW-335i-2015 BMW-335i-xDrive-2013 BMW-335i-xDrive-2014 BMW-335i-xDrive-2015 BMW-335i-xDrive-2016 BMW-435i-2014 BMW-435i-2015 BMW-435i-2016 BMW-435i-xDrive-2014 BMW-435i-xDrive-2015 BMW-435i-xDrive-2016 BMW-M235i-2014 BMW-M235i-2015 BMW-M235i-2016 BMW-M235i-xDrive-2015 BMW-M235i-xDrive-2016 - Fits Make: BMW
- Fits Models: M235i, M235i xDrive, 335i, 335i xDrive, 435i, and 435i xDrive
- Fits Chassis: F23, F30, F31, F33, and F36
- Fits Years: 2012-2016
- Part Number: CBN55-9001
Regular price $1,350.00Regular priceUnit price / per -
Stage 1 Power Package | BMW G8X M3/M4
- Fits Make: BMW
- 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
Regular price From $3,385.00Regular priceUnit price / per -
Stage 2 Power Package | BMW X5M/X6M
FITS YOUR VEHICLE:BMW-X5-M-2021 BMW-X5-M-2022 BMW-X5-M-2023 BMW-X5-M-Competition-2021 BMW-X5-M-Competition-2022 BMW-X5-M-Competition-2023 BMW-X6-M-2021 BMW-X6-M-2022 BMW-X6-M-2023 BMW-X6-M-Competition-2021 BMW-X6-M-Competition-2022 BMW-X6-M-Competition-2023 - Fits Make: BMW
- Fits Models: X5 M, X5 M Competition, X6 M, and X6 M Competition
- Fits Chassis: F95 and F96
- Fits Years: 2021 - 2023
- Part Number: CBF9X-9105
Regular price From $6,920.00Regular priceUnit price / per -
Stage 2 Power Package | BMW M2/M3/M4
- Fits Make: BMW
- 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: CBS55-9004
Regular price From $3,950.00Regular priceUnit price / per -
Stage 1 Power Package | BMW F87 M2
- Fits Make: BMW
- Fits Models: M2
- Fits Chassis: F87
- Fits Years: 2016-2018
- Fits Engines: N55
- Part Number: CBN55-0202
Regular price From $1,350.00Regular priceUnit price / per -
Stage 2 Power Package | BMW X5M/X6M
- Fits Make: BMW
- Fits Models: X5 M, X5 M Competition, X6 M, and X6 M Competition
- Fits Chassis: F95 and F96
- Fits Years: 2020
- Fits Engines: S63
- Part Number: CBF9X-9008
Regular price $6,725.00Regular priceUnit price / per -
854 HP Stage 1 Power Package | BMW X5M/X6M
- Fits Make: BMW
- Fits Models: X5 M, X5 M Competition, X6 M, and X6 M Competition
- Fits Chassis: F95 and F96
- Fits Years: 2020
- Fits Engines: S63
- Part Number: CBF9X-9007
Regular price $3,559.50Regular priceUnit price / per
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Garage Talk with Steve Dinan

About Steve Dinan's New Company CarBahn
CarBahn, founded by Steve Dinan, is the premier destination for BMW, Audi, and Mercedes tuning, engines, and aftermarket parts.
With a passion for performance and precision engineering, CarBahn specializes in enhancing the driving experience of BMW enthusiasts worldwide. Steve Dinan’s expert team meticulously crafts high-quality upgrades, from engine modifications to suspension enhancements, ensuring optimal performance and reliability.
Whether you’re seeking increased horsepower, improved handling, or simply a personalized touch to your BMW, CarBahn delivers unparalleled expertise and cutting-edge solutions. Explore CarBahn’s comprehensive range of products and services to elevate your driving experience to new heights. Shop CarBahn.com today or visit an authorized dealer to get the perfect upgrade.
When it comes to BMW tuning & suspension, CarBahn stands out as the best in the industry. With a team of highly skilled technicians and engineers, CarBahn offers unparalleled expertise in BMW performance tuning. Whether you’re looking to enhance your BMW’s horsepower, torque, or overall driving experience, CarBahn’s state-of-the-art tuning solutions deliver exceptional results. Our commitment to quality and precision ensures that every BMW we tune performs at its peak potential. Trust CarBahn for the best BMW tuning services, and experience the ultimate in performance and reliability. Learn more about our comprehensive BMW tuning & suspension options and take your driving experience to the next level.