BMW E90 E91 E92 E93 RaceChip RS+ App Tuning Box

Plug-and-play tuning box for BMW 3 Series E90, E91, E92 and E93 (2004-2011). No coding or dealer tools needed - just connect, calibrate and drive.

• 6 adjustable maps via rotary dial or Bluetooth app: fine-tune power, torque and economy for fast road or track day use
• Engine-specific calibration - not generic; built for your exact N52, N54 or N55 (as fitted)
• Real-world gains with improved throttle response and mid-range pull; reduces fuel consumption up to 15% with sensible driving
• German-made with automotive-grade connectors and full safety monitoring