RaceChip RS Power Module for BMW 3 Series G20 (2018-On) – Plug & Play Tuning Box, Performance Chip Piggyback ECU – Remap Alternative – Petrol & Diesel – 320i 330i 320d 330d xDrive

BMW 3 Series G20 Performance Upgrade - RaceChip RS Power Module

Unlock sharper throttle response, stronger mid-range pull and effortless overtaking in your BMW G20 3 Series from 2018 onwards with the RaceChip RS power module. This plug-in ECU piggyback delivers engine-specific optimisation for genuine seat-of-the-pants gains while keeping factory systems intact. It is the hardwired RS unit with no Bluetooth or app required.

Why enthusiasts choose this RS module

• Plug-in performance upgrade for BMW G20 3 Series - a smart alternative to a remap
• Tailored calibrations developed for your engine for smooth, reliable power delivery
• Six-stage adjustment via an external dial so you can fine tune the character to your liking
• Premium electronics built in Germany with OEM-grade connectors for a secure, factory-style fit
• Quick install in around 10 minutes with step-by-step fitting guide included
• Potential fuel saving of up to 15 percent with a sensible driving style

How it enhances your BMW

This plug-and-play performance chip works as an external control unit that complements the factory ECU. The RS maps are created for the specific engine variant in your 3 Series, improving the way torque is delivered across the rev range. The result is stronger acceleration and more flexible in-gear performance for everyday driving and spirited weekend runs.

Adjustable to your driving style

Use the six-position rotary dial to choose the level of aggressiveness you want. From efficiency-focused commuting to a more dynamic setup for fast road use, you can switch the character in moments.

Built to OE standards

• Automotive-grade safety connectors for a robust, weather-resistant hook-up
• High-spec components engineered and assembled in Germany
• Designed to work with the car’s original protection systems

Installation and fitting support

Home installation is straightforward thanks to the included instructions. Prefer professional fitting. Book with MJ Modifications in Warwickshire - request a quote at info@mjmodifications.co.uk.

Our experience

We run this RS module on customer cars and feedback has been consistently positive. Drivers report crisper response, stronger pull and an all-round more engaging drive, with the option to dial it back for long motorway runs.

Compatibility

For BMW 3 Series G20 models from 2018 onwards. If you are unsure about fitment for your specific engine, contact us and we will confirm before you buy.

Search-friendly terms

BMW G20 performance chip, plug and play ECU upgrade, BMW 3 Series power module, piggyback ECU for BMW, remap alternative, torque increase, acceleration improvement, engine optimisation, German made tuning module.