BMW M3 F80 RaceChip RS+ App Tuning Box

The RaceChip RS+ is a plug-and-play tuning box for the BMW M3 F80 (2014+), designed for fast-road drivers who want more throttle response and usable power without compromising daily drivability.

• 6-stage rotary tuning + Bluetooth app control for real-time adjustment
• Pre-loaded, engine-specific mapping - no coding or dealer visits needed
• Installs in under 10 minutes using factory connectors
• Claimed fuel savings up to 15% with sensible driving
• German-built with safety-focused design and 2-year warranty