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 5-Series with the German Car Accessories GCA Performance ECU Tune. Specifically engineered for the turbocharged B46 and B48 engines, this performance calibration delivers substantial improvements in horsepower, torque, throttle response, and overall drivability while maintaining smooth, reliable power delivery.
Developed with a performance-first mindset, the German Car Accessories GCA Performance ECU Tune transforms how your vehicle accelerates and responds. Experience quicker throttle response, stronger and more consistent torque, and a refined powerband that delivers increased performance from the mid-range all the way to redline.
Every ECU tune securely saves your factory software, allowing you to restore your vehicle to its original factory settings whenever needed.
Vehicle Fitment
Fits the following BMW models:
- 2018-2023 BMW 520i (G30)
- 2018-2023 BMW 520e (G30)
- 2018-2023 BMW 530i (G30)
- 2018-2023 BMW 530e (G30)
- 2018-2023 BMW 530i xDrive (G30)
- 2018-2023 BMW 530e xDrive (G30)
Engine Compatibility:
- 2.0L Turbocharged B46 Engine
- 2.0L Turbocharged B48 Engine
Features
- Developed by German Car Accessories under the GCA Performance lineup
- Optimized ECU calibration for increased horsepower and torque
- Sharper throttle response for faster acceleration
- Stronger and more consistent torque delivery throughout the RPM range
- Improved powerband 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 tuning calibrated to your fuel quality
- Configurable cold start function (On/Off)
- 100% reversible ECU tuning with the ability to restore 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 70 HP increase
- Up to 70 lb-ft (TQ) increase
Actual performance gains may vary depending on fuel quality, vehicle condition, supporting modifications, and environmental conditions.
Tuning Process
- Detailed tuning instructions are emailed after purchase
- Vehicle is tuned remotely using the included ENET cable
- ENET cable is included with your purchase
- If you purchase the optional ECU Unlock service, unlock instructions will also be provided
- Vehicles with a production date after June 2020 (06/2020+) are equipped with a factory-locked ECU.
- If the ECU Unlock service is not purchased, the ECU must be unlocked separately before tuning can be completed
Warranty
- Backed by a 1-Year Warranty
- Factory ECU data is securely saved, allowing the vehicle to be returned to stock at any time