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Build Kits
Complete transformations, configured your way. Choose your styles, build every piece into one package, and save over buying separately
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The Signature Carbon Kit Builder lets you create a custom exterior carbon package for your G8X M3/M4. Choose exactly which components you want and build a setup that matches your style, whether you’re adding a few key pieces or completing the entire exterior.
Every component is crafted from genuine dry carbon fiber for a lightweight, high-performance finish designed to complement the vehicle’s factory lines.
Build Your Kit With
Carbon Front Lip — MP, V, R44, or CSL Style
Carbon Grille — V, ST, or CSL Style
Carbon Front Inlets — MP or R44
Carbon Mirror Caps
Carbon Fender Trim
Carbon Trunk Spoiler — OEM, MP, CS, PSM or PRO Style
Carbon Diffuser — OEM or AK-Style
Carbon Side Skirts — OEM or MP-Style
Carbon Hood
Carbon Fenders
Additional Carbon Accessories
Mix and match the parts you want to create a completely personalized carbon package for your G8X M3/M4.
Fully customizable • Build it your way • Genuine dry carbon fiber
Signature Composites
G8X M3/M4 Signature Carbon Kit Builder
Starting at
$3,208.43
$3,564.93
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