BMW X3 E83 (2003-2011) RaceChip S Tuning Box

The RaceChip S tuning box is engineered specifically for the BMW X3 E83 - compatible with 2.0d, 2.5i, 3.0i and 3.0d engines. Delivers up to 20% more power and torque, sharper throttle response, and up to 10% fuel savings via intelligent torque curve optimisation.

• 5 switchable mappings via rotary dial - no laptop or coding needed
• Plug-and-play fit in under 10 minutes; UK-spec harness included
• ARM Cortex-M3 processor, nano-protect electronics, engine-protect system + FCI safety connector