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RaceChip RS+App Tuning Box - 3 Series (G20) / 2018-

RaceChip RS+App Tuning Box - 3 Series (G20) / 2018-

Regular price £309.00
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RaceChip RS with Smartphone Control for BMW 3 Series G20 2018 on

Unlock effortless performance from your BMW 3 Series G20 with this premium plug-in power module. This app-controlled unit delivers a sharper throttle feel, stronger mid-range pull and smoother acceleration without permanent changes to your ECU. It is the ideal remap alternative for drivers who want a quick, clean and reversible performance upgrade.

Why choose this upgrade for your G20

  • German engineered hardware built for reliability and consistency
  • Vehicle-specific calibration for your engine for confident, repeatable results
  • Quick fitment in around 10 minutes with clear instructions and OE-grade connectors
  • Six selectable tuning maps so you can tailor response and power to your driving
  • Control and fine-tune via your phone with Bluetooth connectivity
  • Potential fuel savings of up to 15 percent with a sensible driving style

Features you will use every day

  • Plug-and-play installation using professional automotive connectors
  • Switch between maps easily to suit daily commuting or spirited weekend drives
  • Premium components and robust casing designed for real-world conditions
  • Completely removable if you ever want to return the car to standard

Real results, happy drivers

We run this unit on our own builds and our customers love the improved responsiveness and confident overtaking performance. It is a simple, effective way to add usable power to the G20 platform while keeping things tidy under the bonnet.

Professional fitting available

Want it installed by specialists who know BMW performance inside out? Book fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Compatible models

BMW 3 Series G20 2018 on. Engine-specific mapping supplied for your vehicle at purchase.

Notes: Tuning settings and outcomes depend on engine variant and condition. Always follow the supplied instructions during installation.

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