Aero Republic M4 Style Rear Lip Spoiler for BMW 4 Series 440i 435i 430i 428i F33 & M4 F83 Convertible Carbon Fiber

Pre-preg Carbon:

– Real Pre-preg (Dry) Carbon Fiber with UV Protection Clearcoat.

Woven 3k (default option):

Woven Carbon Fiber (Standard 2×2 or 3k) – the most common carbon fiber weave. 2×2 weave woven carbon fiber is the default if listing does not specify the pattern. Woven 3K carbon fiber is a lightweight and high-strength material made from bundles of 3,000 carbon filaments (referred to as “3K”) that are woven into a fabric pattern, typically in a twill or plain weave. It offers excellent tensile strength, stiffness, and durability while maintaining a sleek, smooth appearance with a distinctive checkerboard pattern.

Forged (20% extra charge, made to order):

Forged carbon fiber – a composite material made from randomly arranged, short carbon fiber strands combined with resin and compressed in a mold. Forged carbon fiber offers greater design flexibility compared to 3K woven carbon fiber, as it can be molded into more complex shapes without compromising structural integrity. Its random fiber orientation reduces weak points caused by the directional patterns in 3K weaves, enhancing impact resistance. Additionally, it has a unique aesthetic appeal, with a marbled texture that stands out from the uniform weave of 3K carbon fiber.

*To place order for other bespoke or creative options, please email or call in.