BMW M5 F90 (2017+) RaceChip RS Tuning Box

The RaceChip RS tuning box for the BMW M5 F90 (2017+) works with the S63B44T4 engine. It’s a fast-road and track-day friendly upgrade - not a remap, but a plug-and-play signal optimiser.

• 6 rotary-adjustable mappings: dial in throttle response and power delivery for daily driving or spirited use
• No coding, no dealership visits - fits in under 10 minutes using OEM connectors
• German-built with safety-certified components and engine-specific calibration
• Fuel economy gains up to 15% possible with sensible driving