BMW X3 G01 (2017+) RaceChip RS+ App Tuning Box

Plug-and-play tuning for the BMW X3 G01 - works with 20d, 30d and M40i models. No coding, no ECU flashing, no permanent changes.

• 6-stage adjustment via Bluetooth app or rotary dial - tune for fast road, track day or daily driver
• Up to +35HP and +70NM torque; real-world throttle sharpening and potential fuel savings on sensible driving
• German-made hardware with engine-specific mapping and safety connector included
• Fits cleanly under the bonnet; install in under 10 minutes