RaceChip RS Bluetooth App Tuning Box for BMW X3 (E83) 2003–2011 – Performance Chip Tuning Module/Piggyback ECU, Plug & Play Power Upgrade, 6 Maps, App-Controlled, German-Made, Remap Alternative

Unlock Responsive Performance For Your BMW X3 E83 (2003–2011) With App-Controlled Power

Give your BMW X3 a serious uplift with this smartphone-enabled RS power module. Designed with engine-specific calibration, this Bluetooth-connected tuning upgrade delivers a noticeable step up in performance along with the potential for meaningful fuel savings. Our workshop has supplied and installed these units for X3 owners and the feedback has been consistently positive.

Why X3 Drivers Choose This App-Controlled Power Module

• Bluetooth app control for quick adjustments from your phone
• Six user-selectable fine-tuning maps using the front rotary dial for a tailored drive
• Vehicle-specific optimisation software for your BMW X3 E83
• Approx. 10-minute plug-in install with clear instructions
• OE-grade safety connector for reliable, secure fitment
• Premium hardware and electronics made in Germany
• Potential fuel consumption reduction of up to 15% with the right driving style

Built To Enhance Your Daily Drive

This adjustable piggyback ECU upgrade lets you fine tune the driving character of your BMW X3 E83 with ease. Choose from six maps to match your preference, from everyday efficiency to more spirited settings, all supported by high-quality components and robust connectors for long-term dependability.

Fast, Straightforward Installation

Supplied with installation instructions, this plug-in tuning kit is designed for quick, hassle-free fitting. Prefer professional installation and setup? We can handle everything for you at MJ Modifications in Warwickshire. Request a fitting quote: info@mjmodifications.co.uk.

Compatibility

BMW X3 E83 models from 2003 to 2011.

Key Search Terms

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Order today for a confident, app-controlled performance upgrade on your BMW X3 E83.