RaceChip XLR Throttle Controller & Pedal Box for BMW Z4 (G29) Roadster 2018-on | Accelerator Booster Pedal Tuner | Throttle Response Booster, Lag Eliminator, Plug & Play Drive-by-Wire Upgrade

Instantly sharpen your accelerator response for the BMW G29 roadster

Give your BMW two-seater the crisp pedal feel it deserves with a premium plug-in throttle controller designed for the G29 platform. This smart accelerator upgrade removes that lazy, drive-by-wire hesitation and lets you dial in the response you want with seven distinct levels. It does not raise horsepower or torque, but it lets you access your car’s performance more directly for a noticeably livelier drive.

What you’ll feel

• Immediate throttle pick-up for confident pull-aways and swift overtakes
• Seven adjustable stages to suit city traffic, B-road blasts or motorway cruising
• Smoother, more predictable pedal modulation in every driving scenario
• No ECU remap required and no change to engine output
• Simple DIY installation with no specialist knowledge needed

Why enthusiasts choose this pedal tuner

As performance specialists, we’ve installed and run this unit ourselves on customer cars and our own vehicles. Feedback has been consistently positive: sharper response, reduced lag and a more engaging feel without touching the engine map. It is the easiest way to make your BMW feel more alert and connected.

Compatibility

Made for the BMW G29 platform, 2018 onwards.

Fitting and support

Installation is straightforward. Prefer professional fitting? Book with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote.

Buy with confidence

If you want a responsive pedal without altering the engine’s factory tune, this throttle response controller is the ideal upgrade. Adjust on the fly, fine-tune to your preference and enjoy a more dynamic drive every day.

Common search terms: throttle response controller for BMW roadster, pedal tuner, pedal box upgrade, accelerator booster, gas pedal controller, throttle booster, throttle sensitivity adjuster, drive-by-wire enhancer, lag eliminator, throttle controller for BMW G29, BMW roadster throttle upgrade, BMW accelerator pedal tuning, BMW throttle lag fix, BMW sports car throttle module.

Fits model years: 2018, 2019, 2020, 2021, 2022, 2023, 2024 onwards.