Description
Disclaimer : Cancellations within 24 hours are subject to a cancellation fee. After 24 hours, a higher fee will apply.
Unlock the full potential of your BMW X5 or X6 with our GCA Performance ECU Tune, engineered specifically for the F15/F16 models equipped with the 3.0L N55 turbo engine.
Designed with a performance-first approach, this ECU calibration transforms the way your BMW responds, accelerates, and delivers power. Experience sharper throttle response, stronger torque delivery, and a more aggressive powerband from low RPM all the way to redline.
Every tune is optimized to improve drivability while maximizing the capabilities of your setup. Whether you're running a completely stock vehicle or upgraded performance parts, GCA Performance tuning provides a custom calibration designed around your configuration.
Your factory ECU data is securely saved, allowing you to restore your vehicle back to the original factory settings at any time.
We Stand Behind Our Products
All items from us include a 1-Year Warranty!
Features & Benefits
- Increased horsepower and torque output
- Sharper throttle response
- Improved acceleration and drivability
- Optimized torque delivery across the RPM range
- Custom octane-specific calibration
- Adjustable exhaust burble settings
- Configurable cold start behavior
- Factory speed limiter removal
- Fully reversible back to stock
Tuning Specifications
Fits:
- 2014 BMW F15 X5 xDrive35i / sDrive35i
- 2015 BMW F15 X5 xDrive35i / sDrive35i
- 2016 BMW F15 X5 xDrive35i / sDrive35i
- 2017 BMW F15 X5 xDrive35i / sDrive35i
- 2018 BMW F15 X5 xDrive35i / sDrive35i
- 2014-2018 BMW F16 X6 xDrive35i / sDrive35i
Engine:
- 3.0L Turbo N55 Engine
- Electronic Wastegate (EWG)
Available Tuning:
- Stage 1: Factory Downpipes
- Stage 2: GCA Performance Downpipes
Stage selection will be confirmed in the tuning instructions after purchase. No additional charge for Stage 2 tuning.
Performance Gains
Horsepower Gain:
- Up to +100 HP
Torque Gain:
- Up to +100 TQ
Additional Features
- Downpipe readiness with check engine light suppression (For off-road use only)
- Enhanced exhaust acoustics with extended/adjustable burble
- Factory speed governor removal
- Fuel-quality specific calibration
- Cold start activation/deactivation options
- 100% reversible factory restoration
Tuning Process
After purchase, tuning instructions will be emailed to you.
The vehicle can be tuned remotely using an ENET cable, which will be provided.
Upgrade your BMW F15/F16 X5 or X6 with GCA Performance ECU Tuning and experience improved power, sharper response, and a more engaging driving experience from your N55 engine.