RaceChip GTS+App Tuning Box - 4 Series (F32-33, F36) / 2014-

Unlock serious performance in your BMW 4 Series

Give your BMW 4 Series F32, F33 and F36 from 2014 onward the punch it deserves with this app-enabled performance module. Expect a noticeable step up in acceleration, torque delivery and responsiveness. It is a premium, plug-in power upgrade that pairs smartphone control with vehicle-specific calibration for a confident, enjoyable drive.

We have supplied and fitted this unit for countless customers and the feedback is consistently brilliant. Sharper throttle feel, stronger midrange and effortless overtakes. It is the go-to remap alternative for drivers who want big gains without hassle.

Why this app-controlled power module

• Up to 30 percent more power and torque for your BMW 4 Series
• Included 2-year engine warranty for added peace of mind
• Smartphone connectivity for on-the-fly adjustments via Bluetooth
• Seven fine-tuning levels with a clear digital user interface
• Engine Protect System Plus for safety-focused performance
• Motor-specific software mapping tailored to BMW 4 Series platforms

Perfect for BMW 4 Series enthusiasts

Whether your 4 Series is a daily driver or a weekend toy, this app-controlled tuning module delivers a smooth, stronger pull across the rev range. It is a superb choice if you want a plug-in upgrade rather than a full ECU rewrite. Think of it as a refined piggyback ECU that boosts horsepower and torque while keeping drivability silky and controlled.

Ideal search terms our customers use include BMW 4 Series tuning, F32 performance upgrade, F33 power module, F36 chip tuning, app controlled tuning box, plug and play tuning, remap alternative and Bluetooth tuning for BMW.

Hardware and software highlights

• Engine-specific software with seven adjustable mappings
• Digital user interface for precise setup
• Engine Protect System Plus
• ARM Cortex-M3 processor
• Up to seven analogue and digital channels
• Nano-Protect electronics for durability
• Pro-grade FCI connector
• Ultra-resistant composite housing with pro fixing system
• Dimensions in mm: 112 L x 111 W x 36 H

Vehicle compatibility

BMW 4 Series Coupe F32, Convertible F33 and Gran Coupe F36 from 2014 onward. A superb fit for drivers seeking a BMW tuning box that is app controlled, plug in and designed for the F-series platform.

Fitting and support

Want it installed professionally. We recommend fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk and our team will be happy to help.

We have used and fitted this product extensively and our customers love the results. It is a quality performance upgrade that transforms the way your BMW drives.