The aFe Sprint Booster power converter eliminates the factory throttle delay built into electronic-throttle (drive-by-wire) systems. It plugs inline at the accelerator pedal connector and offers selectable maps — a Sport setting for up to ~30% quicker response and a Race setting for up to ~60% — with no cutting, splicing or tuning required.
Specifications
| Brand | aFe Power |
| Line | Sprint Booster |
| Type | Throttle Power Converter |
| Settings | Sport & Race |
| Install | Plug-in at pedal connector |
This part fits:
| Year | Make | Model |
|---|---|---|
| 2008-2019 | BMW | 1 Series (128i/135i/M135i/M140i) |
| 2014-2021 | BMW | 2 Series (228i/230i/M2/M240i) |
| 2002-2026 | BMW | 3 Series (320i-340i/M3) |
| 2015-2026 | BMW | 4 Series (430i/440i/M4) |
| 2002-2026 | BMW | Z3 / Z4 |
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