Gloss Black Rear Extension – BMW G20 330i / M340i M Sport
Enhance the rear profile of your G20 with this Gloss Black Rear Extension tailored for M Sport bumpers. Designed to add visual depth and subtle aggression, it offers a clean finish with OEM-level alignment for an elevated street-appearance upgrade.
⸻
Key Features
• Gloss black painted finish for seamless integration with M Sport trim lines
• Lightweight ABS/PP construction with durable UV-stable clear coat protection
• Direct-fit installation leveraging factory mounting points and adhesive—no major modification required
• Compatible with both pre-LCI and LCI M Sport rear bumper configurations for G20 330i/M340i.
⸻
Compatible Models
• BMW G20 330i Sedan (with M Sport Package) — 2019–Present
• BMW G20 M340i Sedan (with M Sport Package) — 2019–Present
Designed to fit the M Sport rear bumper design only—not compatible with Luxury or non-M Sport variants.
⸻
What’s Included
• (1) Gloss Black Rear Extension (Left + Right pieces)
• Installation hardware not included on most products
⸻
Why Buy From Eterna Motorworks
Eterna Motorworks sets the standard in premium aftermarket automotive parts and services. With over a decade of hands-on workmanship, we’ve built a solid reputation among enthusiasts and builders for delivering consistent quality, precision fitment, and longevity. Each component we offer is curated to elevate your build through both visual impact and execution. If subtle aggression and clean integration define your vision—welcome to the team.
⸻
Professional installation is highly recommended.
Installation hardware not included on most products.
Ensure your vehicle uses the M Sport rear bumper before purchasing.
For fitment guidelines, installation instructions, and policy details, please refer to our store policies before purchasing.
Worldwide shipping available upon request.
⸻
Your next mod starts here. Upgrade the build the right way with Eterna Motorworks.
Pairs well with
Gloss Black Rear Extension – BMW G20 330i / M340i M Sport
FREE USA SHIPPING | On set items
EASY FINANCING | Apply at checkout
REPUTABLE SOURCE | Leading brands
Product Questions
Will this fit my vehicle?
This part is made for the models listed above. If you’re unsure, send us your year, make, and model and we’ll confirm fitment for you.
What’s included?
You’ll receive exactly what’s shown. Hardware is not included unless the product description says otherwise.
How difficult is installation?
We recommend professional installation. If you’re local, you can book an install with us directly. Some parts may need trimming, drilling, or adjustment depending on your setup.
Do you ship internationally?
Yes, we ship worldwide. Contact us if you need help placing an international order.
How do I confirm fitment before ordering?
Fitment details are listed on each product page. If you’re unsure or your build has unique specs, submit the form and our team will verify compatibility before you order.
Follow us on Instagram #BUILTBYETERNA
With over a decade of hands on experience, a growing portfolio of award winning show builds, and direct relationships with top-tier brands, we make sure you get premium products, trusted service, and real automotive expertise. Our team has built multiple award winning vehicles featured at top tier shows like SEMA and Bimmer Invasion. Everything we offer is tested, trusted, and backed by real world experience.
Eterna Motorworks can source or special-order nearly any component for your build — OEM-fitment parts, performance upgrades, carbon fiber aero, suspension, wheels, and even bespoke options depending on the platform. Click here to contact our team.
