G42 M240i / M340i / M440i

Infinity Design carbon intake system for G-series B58 vehicles, combining a large-volume airbox with a venturi intake tube and high-flow filtration.

Product Highlights

• +12–16 HP (as advertised by manufacturer)
• 100% pre-preg carbon construction
• No ECU tuning required
• Improved throttle response

Design

Large-volume airbox paired with a venturi intake tube to improve throttle response and power delivery across the RPM range.

Uses a high-flow 170 mm (6 3/4") filter designed to support low restriction and strong velocity stack effect.

Design approach follows the same principles as the brand’s A90 Supra intake.

Fitment

• BMW M240i G42 (B58)
• BMW M340i G20 (B58)
• BMW M440i G22/G23 (B58)

Notes

• Carbon finish options depend on variant (e.g., gloss / matte).