Description
Disclaimer : Cancellations within 24 hours are subject to a cancellation fee. After 24 hours, a higher fee will apply.
Unleash the full performance potential of your BMW M5 with the German Car Accessories GCA Performance ECU Tune. Designed specifically for the twin-turbocharged S63 engine, this ECU calibration delivers significantly improved horsepower, torque, throttle response, and overall drivability while maintaining reliability and smooth power delivery.
Engineered with a performance-first approach, the German Car Accessories GCA Performance ECU Tune transforms the way your vehicle accelerates and responds. Throttle input becomes noticeably sharper, torque delivery is stronger and more consistent, and the entire powerband is optimized from the mid-range through the top end for maximum performance.
Every tune is customized to your vehicle and securely stores your factory ECU data, allowing you to return the vehicle to its original factory settings whenever desired.
Vehicle Fitment
Fits the following BMW models:
- 2011-2016 BMW M5 (F10)
- Engine: 4.4L Twin Turbo V8 (S63)
Features
- Developed by German Car Accessories under the GCA Performance lineup
- Increased horsepower and torque throughout the RPM range
- Sharper throttle response for faster acceleration
- Stronger and more consistent torque delivery
- Optimized powerband from mid-range to redline
- Downpipe-ready calibration with check engine light suppression (for off-road use only)
- Enhanced exhaust acoustics with extended or adjustable burble settings
- Factory speed limiter removal for unrestricted performance
- Octane-specific ECU calibration based on your fuel quality
- Configurable cold start settings (On/Off)
- 100% reversible tuning with the ability to return to factory software at any time
- Stage 1 tuning for factory downpipes
- Stage 2 tuning available for German Car Accessories Performance Downpipes
- No additional charge for Stage 2 tuning
- Stage selection will be confirmed after purchase during the tuning process
Performance Gains
- Up to 100 HP increase
- Up to 100 lb-ft (TQ) increase
Actual power gains may vary depending on vehicle condition, fuel quality, supporting modifications, and environmental conditions.
Tuning Process
- Tuning instructions are emailed after purchase
- Vehicle is tuned remotely using an ENET cable
- ENET cable is included with your purchase
Warranty
- Backed by a 1-Year Warranty
- Factory ECU file is securely saved for future restoration to stock settings
