BMW M3 G80 M4 G82 Competition RaceChip GTS Black+App Tuning Box

Plug-and-play tuning box for BMW M3 G80 and M4 G82 Competition models. Delivers up to +140hp with sharper throttle response and improved low-end torque.

• Bluetooth app control: switch between 7 maps including Sport, Race and Eco on the move
• No ECU flashing or coding - uses OEM-style connectors for 10-15 minute DIY fit
• Engine Protect System+ and warm-up timer preserve factory safety protocols
• 5-year product warranty plus 2-year engine warranty (up to £8,000 cover)
• Fuel efficiency gains possible via optimised shift points - up to 1L/60 miles saved (est.)