Upgrade your G20’s rear styling with this gloss-black Akasaka add-on rear bumper diffuser. Built to augment the stock design, it enhances visual depth and integrates cleanly with the factory bumper for a refined yet aggressive look.

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Key Features
• Gloss black add-on diffuser designed to overlay the factory M Sport bumper — no removal required. 
• Durable ABS/PP construction with UV-stable finish, engineered for both aesthetic and functional integrity.
• Plug-in style installation: mounts directly over the original diffuser with minimal modification. 
• Designed to enhance rear width and depth without interfering with OEM exhaust or sensor geometry.

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Compatible Models
• BMW G20 330i Sedan (M Sport rear bumper) — model years 2023–Present (LCI) 
• BMW G20 M340i Sedan (M Sport rear bumper) — model years 2023–Present (LCI) 
Specifically designed for the LCI body with M Sport bumper and quad outlet geometry where applicable. Does not fit non-M Sport or pre-LCI bumpers without modification.

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What’s Included
• (1) Gloss Black Rear Bumper Diffuser (single piece)
• Installation hardware not included on most products

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Why Buy From Eterna Motorworks
Eterna Motorworks leads in premium aftermarket automotive upgrades. With over a decade of hands-on experience, we deliver parts with exacting fitment, high-quality materials, and lasting performance. If refined styling with serious presence drives your build—welcome to the team.

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Professional installation is highly recommended.
Installation hardware not included on most products.
Ensure your vehicle’s rear bumper is the G20 330i or M340i with M Sport package and LCI styling before ordering.
For full fitment checks, installation guidance, and store policy details, please refer to our policies before purchasing.
Worldwide shipping available upon request.

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Your next mod starts here. Upgrade the build the right way with Eterna Motorworks.