Home » Performance Controllers & Piggyback Boxes

CarBahn Performance Controllers

Plug In. Turn Up.
Drive Out.

More power. Simple installation. No ECU unlock required. Choose your vehicle, explore your stage, and dial in your performance with app-selected maps for 91, 93, or 100 octane.

Start with Stage 1 and build toward Stage 2. Remote controller upgrades make the next step simple, with supporting hardware as required.

  • No ECU Unlock Required
  • App-Selected Octane Maps
  • Plug-and-Play Installation
  • Designed & Tested in America

G87 M2

BMW G87 M2 619 HP Stage 1 Performance Controller

Performance Controller

Stage 1

619 HP

BMW G87 M2 619 HP Stage 1 Performance Controller

Factory Matching Warranty Eligible
$795.00 $995.00
Shop Stage 1
657 HP Stage 2 Performance Controller Power Package | BMW G87 M2 (2023 - 2026)

Controller Power Package

Stage 2

657 HP

657 HP Stage 2 Performance Controller Power Package | BMW G87 M2 (2023 - 2026)

Factory Matching Warranty Eligible

Includes

  • CarBahn Heat Exchanger
  • CarBahn Air Filters
  • Stage 2 Performance Controller
$2,590.00 $2,790.00
Shop Stage 2 Package

G80 / G82 / G83 M3 & M4

BMW G8X M3/M4 671 HP Stage 1 Performance Controller

Performance Controller

Stage 1

671 HP

BMW G8X M3/M4 671 HP Stage 1 Performance Controller

Factory Matching Warranty Eligible
$795.00 $995.00
Shop Stage 1
704 HP Stage 2 Performance Controller Power Package | BMW G8X M3/M4

Controller Power Package

Stage 2

704 HP

704 HP Stage 2 Performance Controller Power Package | BMW G8X M3/M4

Factory Matching Warranty Eligible

Includes

  • CarBahn Heat Exchanger
  • CarBahn Air Filters
  • Stage 2 Performance Controller
$2,590.00 $2,790.00
Shop Stage 2 Package
Shop the standalone Stage 2 controller Explore 704HP Stage 2 Performance Controller Power Package | BMW G8X M3/M4

G90 / G99 M5

BMW G90 & G99 M5 913HP Stage 1 Performance Controller

Performance Controller

Stage 1

913 HP

BMW G90 & G99 M5 913HP Stage 1 Performance Controller

Factory Matching Warranty Eligible
$795.00 $995.00
Shop Stage 1
959 HP Stage 2 Performance Controller Power Package | BMW G90/G99 M5

Controller Power Package

Stage 2

959 HP

959 HP Stage 2 Performance Controller Power Package | BMW G90/G99 M5

Factory Matching Warranty Eligible

Includes

  • CarBahn Heat Exchanger
  • CarBahn Air Filters
  • Stage 2 Performance Controller
$2,890.00 $3,090.00
Shop Stage 2 Package
Shop the standalone Stage 2 controller

F90 / F91 / F92 / F93 M5 & M8

BMW F9X M5/M8 777 HP Stage 1 Performance Controller

Performance Controller

Stage 1

777 HP

BMW F9X M5/M8 777 HP Stage 1 Performance Controller

Factory Matching Warranty Eligible
$795.00 $995.00
Shop Stage 1
798 HP Stage 2 Performance Controller Power Package | BMW F9X M5/M8

Controller Power Package

Stage 2

798 HP

798 HP Stage 2 Performance Controller Power Package | BMW F9X M5/M8

Factory Matching Warranty Eligible

Includes

  • CarBahn Heat Exchanger
  • CarBahn Air Filters
  • Stage 2 Performance Controller
$2,890.00 $3,090.00
Shop Stage 2 Package
Shop the standalone Stage 2 controller

F97 / F98 X3 M & X4 M

671 HP Stage 1 Performance Controller | BMW F9X X3M/X4M

Performance Controller

Stage 1

671 HP

671 HP Stage 1 Performance Controller | BMW F9X X3M/X4M

Factory Matching Warranty Eligible
$795.00 $995.00
Shop Stage 1
BMW F9X X3M/X4M 703 HP Stage 2 Performance Controller Power Package

Controller Power Package

Stage 2

703 HP

BMW F9X X3M/X4M 703 HP Stage 2 Performance Controller Power Package

Factory Matching Warranty Eligible

Includes

  • CarBahn Heat Exchanger
  • CarBahn Air Filters
  • Stage 2 Performance Controller
$2,945.00 $3,239.00
Shop Stage 2 Package
Shop the standalone Stage 2 controller

F95 / F96 X5 M & X6 M · 2024–2026

790 HP Stage 1 Performance Controller | BMW S68 F9X X5M/X6M (2024 - 2026)

Performance Controller

Stage 1

790 HP

790 HP Stage 1 Performance Controller | BMW S68 F9X X5M/X6M (2024 - 2026)

Factory Matching Warranty Eligible
$795.00 $995.00
Shop Stage 1
BMW S68 X5M/X6M (2024 - 2026) 822 HP Stage 2 Performance Controller Power Package

Controller Power Package

Stage 2

822 HP

BMW S68 X5M/X6M (2024 - 2026) 822 HP Stage 2 Performance Controller Power Package

Factory Matching Warranty Eligible

Includes

  • CarBahn Heat Exchanger
  • CarBahn Air Filters
  • Stage 2 Performance Controller
$3,090.00
Shop Stage 2 Package
Shop the standalone Stage 2 controller

F95 / F96 X5 M & X6 M · 2020–2023

777 HP Stage 1 Performance Controller | BMW F9X X5M/X6M (2020 - 2023)

Performance Controller

Stage 1

777 HP

777 HP Stage 1 Performance Controller | BMW F9X X5M/X6M (2020 - 2023)

Factory Matching Warranty Eligible
$795.00 $995.00
Shop Stage 1
798 HP Stage 2 Performance Controller Power Package | BMW F9X X5M/X6M (2020 - 2023)

Controller Power Package

Stage 2

798 HP

798 HP Stage 2 Performance Controller Power Package | BMW F9X X5M/X6M (2020 - 2023)

Factory Matching Warranty Eligible

Includes

  • CarBahn Heat Exchanger
  • CarBahn Air Filters
  • Stage 2 Performance Controller
$2,965.00 $3,239.00
Shop Stage 2 Package
Shop the standalone Stage 2 controller

G09 XM

BMW XM 787 HP Stage 1 Performance Controller

Performance Controller

Stage 1

787 HP

BMW XM 787 HP Stage 1 Performance Controller

Factory Matching Warranty Eligible
$795.00 $995.00
Shop Stage 1
824 HP Stage 2 Performance Controller Power Package | BMW XM

Controller Power Package

Stage 2

824 HP

824 HP Stage 2 Performance Controller Power Package | BMW XM

Factory Matching Warranty Eligible

Includes

  • CarBahn Heat Exchanger
  • CarBahn Air Filters
  • Stage 2 Performance Controller
$2,915.00 $3,239.00
Shop Stage 2 Package
Shop the standalone Stage 2 controller

M240i / M340i / M440i / Z4 M40i

487 HP Stage 1 Performance Controller | BMW M240i/M340i/M440i

Performance Controller

Stage 1

487 HP

487 HP Stage 1 Performance Controller | BMW M240i/M340i/M440i

Factory Matching Warranty Eligible
From $595.00
Shop Stage 1

F87 M2 Competition

513 HP Stage 1 Performance Controller | BMW F87 M2 Competition

Performance Controller

Stage 1

513 HP

513 HP Stage 1 Performance Controller | BMW F87 M2 Competition

$595.00 $795.00
Shop Stage 1
539 HP Stage 2 Performance Controller | BMW F87 M2 Competition

Performance Controller

Stage 2

539 HP

539 HP Stage 2 Performance Controller | BMW F87 M2 Competition

$795.00 $995.00
Shop Stage 2

M235i / X2 M35i

BMW M235i/X2M35i 313 HP Stage 1 Performance Controller

Performance Controller

Stage 1

313 HP

BMW M235i/X2M35i 313 HP Stage 1 Performance Controller

Factory Matching Warranty Eligible
$595.00 $795.00
Shop Stage 1

230i / 330i / 430i / Z4 sDrive30i

Stage 1 Performance Controller | BMW 230i/330i/430i/Z4sDrive30i

Performance Controller

Stage 1

Stage 1 Performance Controller | BMW 230i/330i/430i/Z4sDrive30i

Factory Matching Warranty Eligible
$595.00 $795.00
Shop Stage 1

G01 / G02 X3 M40i & X4 M40i

BMW X3 M40i/X4 M40i 487 HP Stage 1 Performance Controller

Performance Controller

Stage 1

487 HP

BMW X3 M40i/X4 M40i 487 HP Stage 1 Performance Controller

Factory Matching Warranty Eligible
$795.00 $995.00
Shop Stage 1

M550i / M850i / M50i / 750i

656 HP Stage 1 Performance Controller | BMW M550i/M850i/X5 M50i/X6 M50i/X7 M50i/750i

Performance Controller

Stage 1

656 HP

656 HP Stage 1 Performance Controller | BMW M550i/M850i/X5 M50i/X6 M50i/X7 M50i/750i

Factory Matching Warranty Eligible
$795.00 $995.00
Shop Stage 1

X5 / X6 / X7 M60i & 760i

684 HP Stage 1 Performance Controller | BMW X5/X6/X7 M60i/760i

Performance Controller

Stage 1

684 HP

684 HP Stage 1 Performance Controller | BMW X5/X6/X7 M60i/760i

Factory Matching Warranty Eligible
$795.00 $995.00
Shop Stage 1

540i / 740Li / 840i / X5 / X6 / X7

BMW 540i/740Li/840i/X5/X6/X7 424 HP Stage 1 Performance Controller

Performance Controller

Stage 1

424 HP

BMW 540i/740Li/840i/X5/X6/X7 424 HP Stage 1 Performance Controller

Factory Matching Warranty Eligible
$795.00 $995.00
Shop Stage 1

Audi 8Y RS3

Audi 8Y RS3 406 HP Stage 1 Performance Controller

Performance Controller

Stage 1

406 HP

Audi 8Y RS3 406 HP Stage 1 Performance Controller

Factory Matching Warranty Eligible
$595.00 $795.00
Shop Stage 1

Audi B9 RS5

Audi B9 RS5 463 HP Stage 1 Performance Controller

Performance Controller

Stage 1

463 HP

Audi B9 RS5 463 HP Stage 1 Performance Controller

Factory Matching Warranty Eligible
$595.00 $795.00
Shop Stage 1

Audi B9 S4 / S5 / SQ5

Audi B9 S4/S5/SQ5 401 HP Stage 1 Performance Controller

Performance Controller

Stage 1

401 HP

Audi B9 S4/S5/SQ5 401 HP Stage 1 Performance Controller

Factory Matching Warranty Eligible
$595.00 $795.00
Shop Stage 1

Audi C8 RS6 / RS7

Audi C8 RS6/RS7 683 HP Stage 1 Performance Controller

Performance Controller

Stage 1

683 HP

Audi C8 RS6/RS7 683 HP Stage 1 Performance Controller

Factory Matching Warranty Eligible
$595.00 $795.00
Shop Stage 1
Audi C8 RS6/RS7 Stage 1 Power Package with Performance Controller

Controller Power Package

Stage 1

Audi C8 RS6/RS7 Stage 1 Power Package with Performance Controller

Factory Matching Warranty Eligible
From $5,090.00
Shop Stage 1 Package
Shop the standalone Stage 2 controller

Horsepower figures reflect advertised product outputs. View each product for vehicle fitment, fuel requirements, and dyno details.

Performance Controllers & Piggyback Boxes

Upgrading your BMW with a CarBahn Performance Controller, aka piggyback box, is one of the best ways to unlock its true potential. This controller optimizes your car's engine parameters for maximum power and efficiency. Unlike standard factory settings, the CarBahn Performance Controller customizes your vehicle's performance to your driving style, ensuring that every horsepower and pound-foot of torque is utilized to its optimized capacity.

One of the key benefits of a CarBahn Performance Controller is its versatility. Whether you're looking to enhance fuel efficiency during your daily commute or boost acceleration for spirited driving, this controller has you covered. The intuitive design allows for easy adjustments, offering multiple performance maps tailored to different driving conditions. Plus, since it's designed specifically for your BMW model, installation is seamless, and you can trust that the tuning is precise and reliable.

Another advantage is the peace of mind that comes with CarBahn's proven engineering. Each controller is designed with reliability and longevity in mind, ensuring that your vehicle performs at its best without compromising durability. With CarBahn’s extensive background in motorsport and performance tuning, you’re not just getting more power—you’re getting a safe, reliable upgrade that maintains the integrity of your engine over time.