BMW X3 F25 (2010-2017) RaceChip S Tuning Box

The RaceChip S tuning box is a proven fast-road upgrade for the BMW X3 F25 - compatible with 20d, 28i and 35i models. Delivers +15-20% torque and power, sharper throttle response, and up to 10% better fuel efficiency.

• Plug-and-play fit in under 10 minutes - no coding or dealer visit required
• 5 adjustable performance maps via rotary dial: choose your balance of power, economy and drivability
• Engine-specific v2.0_S software with Engine Protect System for safe, reliable operation
• German-built with ARM Cortex-M3 processor, nano-protect electronics and FCI safety connector