BMW 3 Series F30 F31 F34 2011-2019 Tuning Box with App - RaceChip GTS Piggyback ECU Performance Chip, Plug & Play Remap Alternative, Bluetooth Power Module for Petrol & Diesel (Saloon, Touring, GT) UK

BMW 3 Series F30 F31 F34 Power Upgrade with App Control

Give your 2011 to 2019 BMW 3 Series a serious performance boost with a high-quality plug-in power module that connects to your phone for easy adjustments. This smart piggyback ECU is a brilliant remap alternative for drivers who want more bhp and torque without permanently flashing the factory computer. Ideal for F30 saloon, F31 touring and F34 Gran Turismo models.

Why enthusiasts choose this plug-and-play tuning module

• Up to 30 percent extra power and pulling force for quicker overtakes and effortless acceleration
• Seven adjustable levels via the companion smartphone app so you can tailor the drive to your needs
• Includes 2-year engine cover for added peace of mind
• Engine-specific calibrations for refined delivery and smooth drivability
• No ECU flash required, fully reversible, perfect for lease or warranty-conscious owners
• Automotive-grade electronics and robust connectors for reliable operation

Results you can feel

• Stronger mid-range punch for effortless motorway merging and overtaking
• Improved throttle response and sharper acceleration
• More usable torque for daily driving and towing

App connectivity

Control settings from your iOS or Android device via Bluetooth. Switch between maps, fine-tune sensitivity and adapt the car to different fuels or driving conditions. Set and save your preferred profiles for town, motorway or spirited B-road use.

Built for reliability

• High-speed microcontroller for rapid signal processing
• Protective electronics and sealed housing for durability
• Vehicle-specific loom and secure fittings for a clean install
• Safeguards that respect factory parameters for safe, dependable gains

Simple installation and support

This plug-in tuning device fits neatly in the engine bay with model-specific connectors. Many owners install at home with basic tools, and it can be removed at any time to return the car to stock.

Prefer professional fitting or a health check before tuning your BMW? Book with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a fitting quote and friendly advice.

Fitment

Designed for BMW 3 Series 2011 to 2019 with F30, F31 and F34 chassis codes. If you are unsure about compatibility for your specific engine and model year, contact us and we will help you confirm.

Why buy from us

• Used and recommended by our team, with excellent feedback from BMW 3 Series owners
• Trusted upgrade for drivers seeking a remap-free solution
• Optimised calibrations that enhance performance while keeping everyday refinement

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