RaceChip S Plug & Play Chip Tuning Box for BMW X3 (F25) 2010-2017 - ECU Piggyback Power Module, Remap Alternative, 5-Map Adjustable, Up to +20% Power/+10% MPG

Plug-in Power Module for BMW X3 F25 2010 to 2017

Transform the way your BMW X3 drives with a plug-and-play ECU piggyback that delivers a serious performance uplift without hassle. This German-engineered power upgrade offers a remap alternative that boosts acceleration, strengthens mid-range pull and sharpens throttle response, all while helping to improve mpg on the road.

We’ve fitted these units on our own cars and for customers, and the feedback is consistently excellent. Expect smoother overtakes, earlier upshifts and a more effortless drive.

Key gains

• Up to 20% more power and torque
• Up to 10% fuel savings with efficient driving
• 5 user-selectable maps via an easy rotary dial
• Vehicle-specific calibration for the BMW X3 F25
• Simple install in around 10 minutes with step-by-step instructions
• High-quality German build with automotive-grade connectors
• Engine Protect System for added peace of mind

Why choose this ECU piggyback over a remap

• Plug-in, reversible power upgrade for the X3 F25
• Fine-tune the driving feel with 5 adjustable mappings
• Optimised torque for earlier gear changes and improved efficiency
• Designed to work with your car’s existing control systems

Engineered hardware

• ARM Cortex-M3 processor for rapid signal processing
• Up to 3 analogue and digital channels
• Chip electronics with nano-protect coating
• Professional automotive safety connector (FCI)
• Ultra‑resistant plastic housing
• Basic fastening system
• Dimensions: 87 mm L x 95 mm D x 36 mm H

Vehicle-specific software

• Engine-specific software: v2.0_S
• 5 fine-tuning mappings
• Engine Protect System

What you receive

• Performance module
• Wiring harness
• 4 cable ties
• Installation guide

Fitting and support

Want professional installation and setup for your BMW X3 performance upgrade? Book with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a fitting quote and tailored advice.

Compatible with BMW X3 F25 models from 2010 to 2017. Premium German quality, real-world gains and quick installation — the ideal plug-in tuning solution for your X3.

Brand: RaceChip