RaceChip RS Bluetooth Tuning Box + App Control for BMW X3 (F25) 2010-2017 - Plug & Play Piggyback ECU Performance Chip | Power & Torque Upgrade | Remap Alternative Stage 1 Style | Improves Throttle Response

Instant performance for BMW X3 F25 2010 to 2017 with app-controlled power

Give your BMW X3 a serious uplift in power and drivability with this app-enabled plug-in performance module. Built in Germany and calibrated specifically for the F25 platform, it delivers stronger torque, sharper throttle response and smoother, more linear acceleration without a permanent remap. Control everything from your smartphone via Bluetooth for a truly modern upgrade.

Why enthusiasts choose this upgrade

• App control via Bluetooth for on-the-fly adjustments from your iOS or Android device
• Six adjustable maps to fine tune power delivery to your preference
• Vehicle-specific calibration for the BMW X3 F25 generation
• Premium OEM-grade safety connectors and a robust, weather-resistant housing
• Quick, plug-in install in around 10 minutes with illustrated instructions
• German engineering and high-quality electronics for long-term reliability
• Potential fuel savings of up to 15 percent with a gentle driving style

Real-world gains you can feel

Expect a stronger mid-range surge, reduced lag and a more responsive pedal feel, making overtakes and motorway merging effortless. It works alongside the factory ECU, optimising key parameters for more usable power in everyday driving.

Tailored control in your pocket

Use the companion app to switch between the six map settings to suit your journey. Go for a punchy setup for spirited drives or choose a more efficient profile for commuting. You stay in control at all times.

What’s included

• App-enabled performance module
• Vehicle-specific wiring harness with safety plug
• Fitting guide for the BMW X3 F25

Trusted by our team and our customers

We have installed and used this upgrade ourselves and customer feedback has been excellent. Drivers consistently praise the improved pull, smoother delivery and the convenience of app-based adjustments.

Professional fitting available

Prefer us to install it for you? Book expert fitting with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote.

Compatibility

Designed for BMW X3 F25 models from 2010 to 2017. If you are unsure about fitment, contact us and we will be happy to help.

Search-friendly terms

BMW X3 F25 tuning module, plug-in power upgrade, piggyback ECU, performance chip for BMW X3, app controlled tuning, Bluetooth power box, engine tuning kit, torque upgrade, throttle response improvement, remap alternative, fuel saving map, stage 1 style upgrade, German engineered tuning.