RaceChip GTS Black Bluetooth Tuning Box for BMW M3 G80 & M4 G82 Competition xDrive AWD – Plug & Play Piggyback ECU/Performance Chip, App Control, S58 Remap Alternative, up to +140hp Power & Torque Upgrade

Plug-in power upgrade with app control for BMW M3 G80 and M4 G82 Competition xDrive

Unlock serious performance from your S58-powered BMW with this premium plug-and-play piggyback ECU module. The RaceChip GTS Black with smartphone control is tailored for the M3 G80 and M4 G82 Competition xDrive, delivering a huge uplift in horsepower and torque, stronger midrange punch and crisper throttle response, while keeping all factory safeguards intact. It is the ideal remap alternative for drivers who want big gains without a permanent ECU flash.

We have installed these units on customer cars and the feedback has been outstanding. If you want a rapid, responsive and refined M-car with effortless overtaking performance, this is the tuning box to choose.

Why enthusiasts choose this tuning module

• Substantial power and torque increase within the engine’s safe reserves - up to 30 percent more performance depending on the vehicle and setup (figures estimated)
• Noticeably quicker in-gear acceleration and stronger pull across the rev range for everyday driving and track days
• Potential MPG improvement - up to 1 litre less per 60 miles thanks to torque optimisation and earlier upshifts (figures estimated)
• Non-invasive, reversible upgrade that works with OEM systems and retains manufacturer protection strategies
• Wireless adjustability via Bluetooth for on-the-fly fine tuning from your phone

App-enabled control

• Bluetooth connectivity for smartphone control
• 7 fine-tuning mappings to suit fuel quality, driving style and conditions
• Warm-up timer to ensure adjustments only apply once the engine is up to temperature
• Engine Protect System Plus keeps OEM safety parameters in place for peace of mind
• Motor-specific calibration: v2.0_GTSBlack

Engineered for reliability

• ARM Cortex-M3 processor for fast, precise signal processing
• Up to 7 analogue and digital channels for detailed control
• Nano-Protect coated electronics for durability in harsh environments
• Professional FCI connector and pro fixing system for secure installation
• Ultra-resistant composite housing - compact footprint for discreet fitment
• Dimensions: 112 x 111 x 36 mm

Warranty and cover

• 5-year product warranty as standard
• 2-year engine warranty up to £8,000 - covers major engine components
• Max reading 60,000 miles and max vehicle age 5 years
• Applies even if the manufacturer warranty has expired

Fast, simple installation

Fitting is plug-and-play using the supplied connectors and typically takes around 10 to 15 minutes. No permanent modifications are required, and the module can be removed if desired. Ideal for BMW M3 G80 and BMW M4 G82 Competition xDrive models looking for a safe, reversible ECU tuning box upgrade.

Professional fitting and support

Prefer expert installation and setup for your BMW tuning box upgrade? Book in with MJ Modifications in Warwickshire for a seamless, tidy fit and advice on the best mapping for your use. Request a fitting quote at info@mjmodifications.co.uk.

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Notes: Power and fuel economy figures are estimates and will vary with vehicle condition, fuel quality and environmental factors.