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Build Your Own G82/G83 M4 Carbon Fiber Aero Kit
Create a fully custom exterior transformation for your G82 M4 Coupe or G83 M4 Convertible. This kit lets you mix and match carbon fiber components from our complete G82/G83 lineup to build the exact look you want — from subtle OEM+ refinement to full track-inspired aggression.
Every component is constructed from high-quality carbon fiber and finished with a UV-protectant gloss clear coat for long-lasting durability and rich visual depth. All aero pieces are backed by our fitment guarantee for confidence in both quality and installation.
Choose Your Front Lip
- V Style V1 Lip (3-Piece)
- CSL Style Lip (3-Piece)
- J Style Lip
- MP Style Lip (3-Piece)
- V Style V2 Lip (1-Piece)
- MHC Lip
- Suvneer Lip
From aggressive multi-piece motorsport styling to sleek OEM-inspired aero, choose the front-end setup that best matches your build.
Add Air Inlets (Optional)
- None
- V1 Inlets
- V2 Inlets
Optional air inlets add additional aerodynamic styling and complete the front-end appearance.
Choose Your Grill
- V Style Grill
- GT3 Style Grill
- CSL Style Grill
Upgrade your front fascia with a grille design that complements your chosen aero package and overall styling direction.
Choose Your Side Skirts
- MHC Side Skirts (Extension)
- OEM Style Side Skirts (Full Replacement)
- MP Style Side Skirts
Enhance the side profile with carbon fiber side skirts designed to visually lower the car and create a more aggressive stance.
Choose Your Rear Diffuser
- OEM Style Diffuser
- MP Style Diffuser
- 3D Style Diffuser
- PSM 9PC Diffuser w/ Undertray
Complete the rear-end transformation with diffuser options ranging from refined OEM+ styling to aggressive multi-piece motorsport-inspired setups.
Add Rear Splitters (Optional)
- None
- OEM Style Splitters
- MP Rear Splitters
Rear splitters add additional depth and detail to the rear bumper while complementing your diffuser setup.
Choose Your Trunk Spoiler
- OEM Style Spoiler
- PSM Style Spoiler
- MP Style Wing
Choose from subtle lip spoilers to more aggressive wing designs to complete your G82/G83 rear profile.
Why Build Your Kit?
Select any combination from our complete G82/G83 carbon fiber lineup to create a package that’s entirely your own. No forced bundles or pre-selected combinations — just complete customization.
Bundling your aero components together also helps save money compared to purchasing each piece individually.
Shipping & Handling
- Please allow 3–5 business days for order processing and inventory confirmation.
- Each piece is individually inspected and packaged to ensure safe delivery.
- Boxes may ship separately depending on the selected components.
- If any item is backordered, you will be contacted with updated lead times or alternative options.
Fits
- 2021+ BMW G82 M4 Coupe
- 2021+ BMW G83 M4 Convertible
Every CenCal order is eligible for Package Protection, powered by Redo. It is selected by default at checkout and covers your shipment against loss, theft, and damage in transit.
What it covers:
- Lost packages confirmed by the carrier
- Stolen packages marked as delivered but not received
- Items that arrive broken or damaged in transit
Resolution: Approved claims receive a full replacement at no cost. For damage claims, you keep the damaged item and receive a brand new replacement.
Claims must be filed within 7 days of the delivery date. See the full policy or email support@cencalmotorsport.com if you need help.
If protection is removed at checkout, CenCal cannot file a claim or accept responsibility for shipping issues.

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