RaceChip RS Bluetooth App Tuning Box for BMW M5 F90 (2017+) | Plug & Play Piggyback ECU, Chip Tuning Power Box, Remap Alternative for S63 4.4L Twin-Turbo V8

Unlock effortless power and control for your BMW M5 F90 with the RaceChip RS with Bluetooth app control. This premium plug-in power module is engineered specifically for the 2017 onwards M5 with the S63 twin turbo V8, delivering a sharper, more responsive drive without opening the factory ECU. It is the ideal upgrade if you want meaningful performance gains and easy adjustability from your phone.

We run these units on customer cars and feedback has been superb. Drivers love the improved mid-range punch, smoother delivery and the ability to tailor the setup for daily driving or spirited runs in seconds.

• Engine-specific calibration for the BMW M5 F90 2017 onwards
• Bluetooth connectivity for quick adjustments via the companion smartphone app
• Six user-selectable calibrations to fine tune torque delivery and response
• High grade, automotive connectors and a robust enclosure designed for under-bonnet conditions
• Fast, reversible install with a vehicle-specific loom and clear instructions
• No permanent software flash to the ECU, ideal if you prefer a non-invasive solution
• Potential fuel economy benefits of up to 15 percent with sympathetic driving
• German engineered hardware and software for reliability and consistency

Why choose this upgrade for your BMW M5

Looking for a BMW M5 F90 performance upgrade, piggyback ECU, chip tuning solution or a power increase kit that you can control from your phone? The RaceChip RS with App is a proven choice for enthusiasts who want noticeable gains, crisp throttle response and adjustable maps in a plug-and-play format. It is a brilliant alternative to a traditional remap for lease or PCP cars, and it is simple to remove for dealer visits.

What you get

• RaceChip RS power module with integrated Bluetooth
• Model-specific wiring harness for the S63 twin turbo V8
• Printed fitting guide for a typical 10 minute installation

Fitment and installation

This is a straightforward plug-in upgrade using OEM-style connectors. For professional installation and setup, we recommend booking with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a fitting quote and availability.

Search-friendly fitment terms

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Order with confidence

We have installed these units for many happy customers who wanted a strong, reliable performance boost with the flexibility to adjust on the go. Add to basket today and transform the way your M5 drives.