RaceChip RS Tuning Box - X3 (F25) / 2010-2017

RaceChip RS Power Module for BMW X3 F25 2010 to 2017 — Non Bluetooth

Unlock responsive performance and refined drivability on your BMW X3 F25 with the RaceChip RS plug-in power module. This is the proven piggyback ECU upgrade that delivers sharper acceleration, stronger mid‑range pull and the flexibility to tailor the setup to your preference, all without flashing your factory ECU.

Designed specifically for the second‑generation X3 range, the RS unit arrives pre-calibrated for your engine and uses OE-grade connections for a clean, reversible install. It is the Non Bluetooth version for simple, set‑and‑forget daily use.

Why enthusiasts choose this BMW X3 upgrade

• Vehicle-specific calibration for X3 F25 models built 2010 to 2017
• 6 user-selectable stages via the front dial to fine-tune power delivery
• Quick DIY fitment in around 10 minutes with step-by-step instructions
• OE-quality, automotive connectors for a secure, professional finish
• Premium German engineering and components
• No permanent software changes to the ECU — simple to remove if required
• Potential fuel savings of up to 15 percent with a measured driving style

Real-world results you can feel

Our team has installed this unit on numerous customer X3s and the feedback has been consistently positive. Expect crisper throttle response, more effortless overtakes and a smoother surge through the rev range. Many drivers also report improved economy on longer journeys when driving sensibly.

Fitment and compatibility

Suitable for BMW X3 F25 models across the 2010–2017 production years. To confirm compatibility with your exact engine code and wiring, contact us before ordering and we will be happy to check your vehicle details.

Installation and setup

The RaceChip RS arrives pre-set for your engine. Use the 6-position dial on the front of the unit to tailor the delivery to your preference. Clear installation guidance is included. If you prefer professional fitting and setup, we can help.

Professional fitting available

Prefer us to install it for you? MJ Modifications offers expert fitting and configuration at our workshop in Warwickshire. Request a quote at info@mjmodifications.co.uk.

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Note: Results will vary based on vehicle condition, fuel quality and driving style.