Description
Disclaimer : Cancellations within 24 hours are subject to a cancellation fee. After 24 hours, a higher fee will apply.
Unlock the full performance potential of your BMW X5 or X6 with the German Car Accessories GCA Performance ECU Tune. Specifically engineered for the F15 and F16 platforms equipped with the powerful N63 twin-turbo V8 engine, this ECU calibration enhances horsepower, torque, throttle response, and overall driving performance while maintaining the luxury, capability, and refinement expected from BMW’s premium SUVs.
Developed with a performance-first mindset, the German Car Accessories GCA Performance ECU Tune transforms the way your BMW X5 or X6 responds, accelerates, and delivers power. Throttle input becomes sharper, torque delivery becomes stronger and more consistent, and the entire powerband is optimized for improved acceleration from the mid-range surge through the top-end pull.
Your factory ECU data is securely saved before tuning, allowing you to restore your vehicle back to its original factory software whenever desired. Whether you are looking for stronger daily performance, improved drivability, or maximum potential from the N63 V8 engine, GCA Performance ECU tuning unlocks additional power while keeping your factory settings recoverable.
Vehicle Fitment
Fits the following BMW models:
- 2014-2019 BMW X5 xDrive50i (F15)
- 2014-2019 BMW X5 M50i (F15)
- 2014-2019 BMW X6 xDrive50i (F16)
- 2014-2019 BMW X6 M50i (F16)
Engine Compatibility:
- 4.4L Twin Turbo V8 (N63 Engine)
Features
- Developed by German Car Accessories under the GCA Performance lineup
- Custom ECU calibration engineered for the BMW N63 twin-turbo V8 engine
- Increased horsepower and torque throughout the RPM range
- Improved throttle response for quicker acceleration
- Stronger and more consistent torque delivery
- Optimized power delivery from mid-range to top-end performance
- 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 calibration tailored to your fuel quality
- Configurable cold start behavior (On/Off)
- 100% reversible ECU tuning with the ability to return to factory settings at any time
- Stage 1 tuning available for vehicles with 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 performance gains may vary depending on fuel quality, vehicle condition, supporting modifications, and environmental conditions.
Tuning Process
- Tuning instructions are emailed after purchase
- Vehicle is tuned remotely using the included tuning cable
- Tuning cable is included with your purchase
- Vehicle tuning process instructions will be provided after purchase
Warranty
- Backed by a 1-Year Warranty
- Factory ECU data is securely saved, allowing the vehicle to be restored to stock settings at any time
