RaceChip S Plug & Play Tuning Box for BMW M3 F80 (2014-2018) - S55 Piggyback Add-On ECU Performance Chip/Power Module, Remap Alternative

RaceChip S Performance Module for BMW M3 F80 2014-on

Unlock effortless bhp and torque gains on your BMW M3 F80 with this plug-in add-on ECU. This compact performance module delivers a serious uplift in mid-range shove and drivability while remaining a quick, clean install. A brilliant remap alternative for the S55-powered M3 if you want more punch without permanent software changes.

Why enthusiasts choose this plug-in power upgrade

• Up to 20% more power and torque for stronger acceleration and overtaking confidence
• Potential fuel economy improvement of up to 10% with earlier upshifts and lower rev cruising
• 5 selectable calibration stages via an easy rotary dial to tailor response to your preference
• Vehicle-specific setup for BMW M3 F80 2014-on to keep performance smooth and consistent
• Engine Protect System for peace of mind
• Premium German engineering and components throughout
• Typical install time around 10 minutes with step-by-step instructions

We run this module ourselves and our customers love the crisp pick-up, improved in-gear pull and overall responsiveness. It feels like the car you always knew your M3 could be.

How it works

This clever add-on ECU precisely interfaces with your engine management using an application-specific harness. The module’s optimisation software interprets key signals, refines performance parameters and feeds them back to the car’s ECU. The result is a noticeable power bump and efficiency gains without invasive changes. Installation is fully reversible and does not require opening the OEM ECU.

Software

• Engine-specific optimisation: v2.0_S
• 5 user-selectable maps via rotary controller
• Engine Protect System

Hardware

• ARM Cortex-M3 processor
• Up to 3 analogue and digital channels
• Electronics with nano-protect coating
• Automotive-grade safety connector (FCI)
• Ultra-resistant plastic housing
• Basic mounting solution included
• Dimensions mm: L 87 x D 95 x H 36

What’s in the box

• RaceChip S performance module
• Model-specific wiring harness
• 4 cable ties
• Fitting guide

Fitment

BMW M3 F80 2014-on.

Installation and support

DIY-friendly plug-in upgrade with a typical 10 minute install time. Prefer professional fitting or want advice on the best calibration stage for your driving style

Book installation with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a fitting quote and availability.

Why buy from MJ Modifications

• UK supplier with hands-on experience of this exact upgrade on the BMW M3 F80
• Trusted advice and aftersales support
• Professional fitting available at our Warwickshire workshop

Search-friendly terms

BMW M3 F80 performance module. Plug-in ECU upgrade. Piggyback ECU for BMW. S55 tuning device. Remap alternative. Performance chip for BMW M3. Power upgrade kit. Stage 1 style power increase. UK fitting and supply.

Add to basket for fast dispatch or contact us for installation.