RaceChip GTS+App Tuning Box - 7 Series (E65-66) / 2001-2009

App-controlled power upgrade for BMW 7 Series E65 E66 2001 to 2009

Unlock serious real-world performance with this advanced GTS module for the BMW 7 Series E65 and E66. This smart piggyback ECU delivers rapid gains in acceleration and mid-range shove with up to 30 percent more power and torque, all managed via a handy smartphone app. It is a superb remap alternative for drivers who want a reversible, precision-tuned solution that enhances everyday drivability and overtaking confidence.

Why enthusiasts choose this performance module

• Up to 30 percent increase in power and torque for stronger in-gear pull and responsive throttle feel
• Bluetooth-enabled control through a companion app for quick adjustments on the go
• Seven adjustable calibration levels to tailor delivery to your specific engine and preferences
• Engine Protect System Plus for added peace of mind during spirited driving
• 2-year engine warranty included for extra confidence

Engine-specific calibration for your BMW

No two powerplants are identical. Manufacturing tolerances, mileage and fuel quality can influence output. This unit uses engine-specific software along with seven selectable maps so you can fine tune the setup to suit your particular 7 Series. The result is a smooth, strong and repeatable powerband that feels factory-refined yet notably quicker.

High-grade hardware built to last

• ARM Cortex-M3 processor for fast signal processing and consistent performance
• Up to seven analogue and digital channels for precise sensor interfacing
• Chip electronics with Nano-Protect for durability and reliability
• Automotive-grade FCI connectors for a secure, professional connection
• Ultra-resistant composite housing with a robust fixing system
• Dimensions: 112 mm length x 111 mm width x 36 mm height

Real results, real feedback

We have fitted and run this solution on customer vehicles and our own demonstrators. The feedback is consistent: stronger torque, sharper response and effortless motorway overtakes while retaining OEM smoothness. It is a top choice for BMW E65 and E66 drivers seeking a high-quality, app-controlled tuning upgrade.

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Professional fitting

Want it installed by experts We offer professional fitting at MJ Modifications in Warwickshire. Request a quote: info@mjmodifications.co.uk.