BMW 6 Series E63 E64 (2004-2010) RaceChip XLR+ App Throttle Response Tuner

The RaceChip XLR+ replaces factory throttle mapping with seven adjustable response profiles - from relaxed daily driver to urgent track-day sharpness. Plug-and-play fit for all E63 and E64 petrol and diesel engines; no coding, no cutting, no ECU remap.

• Control via Bluetooth app - tweak on the fly, save presets, reset instantly
• Fully reversible: unplug and return to stock throttle behaviour in seconds
• Verified compatibility - works with standard OEM throttle bodies and wiring
• No impact on emissions systems or service warnings