BMW Z4 E89 (2009+) RaceChip XLR+ App Throttle Tuner

The RaceChip XLR+ App Throttle Tuner sharpens throttle response on the BMW Z4 E89 (2009+) without engine mods, coding or dealer visits.

• 7 adjustable stages via Bluetooth app - fine-tune for fast road, track day or daily driver use
• Plug-and-play fitment: no ECU remap, no wiring changes, no reliability compromise
• Works with stock engine management - zero impact on emissions, service intervals or warranty conditions
• Delivers immediate, linear pedal feel - no lag, no hesitation, no guesswork