BMW X4 M F98 (2019+) RaceChip RS Tuning Box

The RaceChip RS tuning box is a fast-road and track-day proven upgrade for the BMW X4 M F98 (2019+). It delivers increased power and torque with sharper throttle response, plus real-world fuel economy gains of up to 15% when driven sensibly.

• Six adjustable mappings via rotary dial - fine-tune for daily driving or track use
• Engine-specific software and German-built hardware for reliability and repeatability
• Fits in under 10 minutes - fully plug-and-play, no coding or specialist tools needed
• Includes full fitting instructions and UK-spec harnesses