aFe Sprint Booster Power Converter - BMW 1/2/3/4 Series 2002-2026 & M (AT/MT)

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

This part fits:

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy