RaceChip RS Bluetooth App Tuning Box for BMW 1 Series E81/E82/E87/E88 (2003-2013) – Plug & Play Performance Chip, Piggyback ECU Remap Alternative, Adjustable Maps, Throttle Response & Torque Upgrade

BMW 1 Series E81 E82 E87 E88 2003 to 2013 performance module with smartphone control

Unlock responsive power, stronger mid‑range torque and smoother delivery on your BMW 1 Series without a permanent remap. The RaceChip RS with app connectivity is a plug‑in piggyback ECU upgrade designed for the E81, E82, E87 and E88 models from 2003 to 2013. It gives you adjustable performance at your fingertips, precision engineered in Germany for reliability and consistency.

• Plug and play upgrade, no coding, no cutting, fully reversible
• Wireless control via iOS and Android companion app for quick on‑road adjustments
• Six-stage calibration using the on-unit dial and in-app profiles
• Tailored map set supplied for your specific engine variant
• OE‑style sealed connectors and a robust enclosure built for the engine bay
• Sharper throttle response and stronger in‑gear acceleration
• Potential fuel savings up to 15 percent with measured driving
• German-engineered electronics and vehicle‑specific harness

Why choose this over a traditional remap

This piggyback solution leaves your factory ECU intact, so you can remove the module in minutes if needed. It is an ideal remap alternative for BMW 1 Series owners who want a reversible performance boost with app control, map switching and fine adjustment to suit daily driving or spirited use.

Compatibility

For BMW 1 Series E81, E82, E87 and E88 models from 2003 to 2013. Not sure about fitment for your engine code or year. Get in touch and we will confirm compatibility before you buy.

What you get

RaceChip RS control unit with Bluetooth app functionality, vehicle‑specific plug‑in loom with OE‑style connectors, and clear step‑by‑step fitting guidance.

Installation and fitting support

Simple DIY install in around ten minutes with the supplied guide. Prefer professional fitting. Book with MJ Modifications in Warwickshire for expert installation. Request a quote at info@mjmodifications.co.uk.

Proven by us and our customers

We run this setup on customer cars and feedback has been excellent, citing smoother delivery, stronger pull from low revs and the convenience of app‑based adjustment.

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