Eventuri Carbon Intake for BMW X3 / X4 M40i B58D

Use a sealed carbon airbox and enlarged inlet tube on the B58D-powered X3 or X4 M40i. A reflective-backed heat shield manages exposure near the exhaust manifold, while supplied turbo flanges cover the described pre-LCI and LCI B58D connections.

Technical Details

• Fabspeed catalog reference: EVE-GXXB58-CF-INT.
• Carbon airbox with dry cone filter.
• Carbon tube measuring 109 mm internally before its taper.
• Machined temperature-sensor mount, breather adapter and turbo flanges.
• Reflective-backed heat shield and stainless brackets.
• Silicone coupler with specified clamps.
• B58D only; standard B58 and B58C are excluded.

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Fitment & Compatibility

Use the application details below together with the original component and any existing modifications.