1-4 DAYS DELIVERY
BMW G80 M3 G82 M4 Carbahn Performance Controller Software Stage 1 Tune
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100% ORIGINAL & HIGH-QUALITY
1-YEAR WARRANTY
Description
Description
Increase the performance of your BMW G80 M3 or G82 M4 with the CarBahn Stage 1 Performance Controller Tune, designed to unlock stronger horsepower, improved boost response, and a more exciting driving experience.
This Stage 1 package includes the CarBahn Performance Controller Box, controller harness, and software needed to elevate the output of compatible G8X M3 and M4 Competition models. It is engineered for drivers who want a noticeable performance upgrade while keeping the vehicle refined and responsive.
Power gains vary depending on fuel quality, with 93 octane and 100 octane performance figures available. A matching warranty option is also available for customers who want additional coverage with their performance upgrade.
Product Specifications
| Vehicle | BMW M3 / M4 |
| Chassis | G80 / G82 / G83 |
| Model Years | 2021-2023 |
| Product Type | Performance Controller Tune |
| Tune Level | Stage 1 |
| Fuel Compatibility | 93 Octane / 100 Octane |
| 91 Octane Note | 91 Octane is approximately 7-8 HP less than 93 Octane |
| Warranty Option | Matching warranty option available |
Key Features
- Designed for select 2021-2023 BMW G8X M3 and M4 Competition models
- Stage 1 performance controller and software package
- Helps increase horsepower, torque, and boost performance
- Includes controller box, harness, and software
- Supports 93 octane and 100 octane performance configurations
- Delivers stronger acceleration and a more responsive driving feel
- Compatible with select rear-wheel drive and xDrive Competition models
- Matching warranty option available for added coverage
Configuration Options
- Stage 1 Performance Controller package
- 93 Octane performance setup
- 100 Octane performance setup
- Optional matching warranty
Package Includes
- One Stage 1 CarBahn Performance Controller Box
- One CarBahn Performance Controller Box Harness
- Performance controller software
Note: Performance figures may vary based on vehicle condition, fuel quality, supporting modifications, and testing conditions. 91 octane output is approximately 7-8 HP less than the listed 93 octane figures.
Installation
- Performance controller and software installation
- Controller box and harness installation required
- Confirm vehicle compatibility before installation
- Use the correct fuel grade for the selected performance setup
- Professional installation is recommended for proper setup and performance verification
Performance Data
- 93 Octane Calculated Flywheel Power: OEM Stock 589HP / 587TQ, Tuned 637HP / 629TQ
- 93 Octane Measured Wheel Power: OEM Stock 495WHP / 493WTQ, Tuned 535WHP / 528WTQ
- 100 Octane Calculated Flywheel Power: OEM Stock 589HP / 587TQ, Tuned 677HP / 688TQ
- 100 Octane Measured Wheel Power: OEM Stock 495WHP / 493WTQ, Tuned 569WHP / 578WTQ
Fitment
- 2021-2023 BMW M3 Competition Sedan G80
- 2021-2023 BMW M4 Competition Coupe G82
- 2022-2023 BMW M3 xDrive Competition Sedan G80
- 2022-2023 BMW M4 xDrive Competition Coupe G82
- 2022-2023 BMW M4 xDrive Competition Convertible G83
Shipping Policy
Shipping Policy
United States: Free shipping available to the lower 48 states across all items. Other states will incur a shipping charge.
Worldwide: Free shipping is available for Complete Headlights, Taillights, DRLs. For custom headlight retrofits, carbon fiber products, and performance products, there will be a shipping charge.
Please note:
• For Retrofits, you are purchasing a headlight modification service.
• If you select "Shipping own headlights to BayOptiks for modification", you are required to send us your headlights.
• If you choose "Purchase new OEM headlights", we will order and modify a new OEM headlight for you.
• Once your customizations are complete, we will ship it to you!
Turnaround Time
Turnaround Time
- Complete Headlights: 3-5 business days for order processing plus shipping time.
- Custom & Pre-Built Headlights: 6-8 weeks depending on the complexity and component availability.
- New OEM and cores: 6-8 weeks plus an additional 4-8 weeks as these are special orders base on the vehicle VIN due to different versions (North American, European, etc.)
- DRLs, Taillights, Brake Pads, and Carbon Fiber Aero: 3-5 business days for order processing, plus shipping time.
- Lens Replacements: 1-3 weeks plus shipping time.
Please note, we do not have control over the time frames of our vendors, manufacturers, and delivery services as they may delay processes in regards to components and shipment.



