BMW G8X G80 G82 M3 M4 Carbon Fiber M Performance Style Rear Center Diffuser
BMW G8X G80 G82 M3 M4 Carbon Fiber M Performance Style Rear Center Diffuser
BMW G8X G80 G82 M3 M4 Carbon Fiber M Performance Style Rear Center Diffuser
BMW G8X G80 G82 M3 M4 Carbon Fiber M Performance Style Rear Center Diffuser
BMW G8X G80 G82 M3 M4 Carbon Fiber M Performance Style Rear Center Diffuser

BMW G8X G80 G82 M3 M4 Carbon Fiber M Performance Style Rear Center Diffuser

$600.00 Regular price $700.00 Sale price
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Fitment:

Make: BMW

Model: 2021-Present BMW G80 M3 2021-Present BMW G82 M4

Year: 2021-Present

  • Free Shipping within the Continental US | Worldwide Shipping AVAILABLE

Modify your car with BayOptiks

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Upgrade your G80 M3 G82 M4 rear end significantly with this M Performance style carbon fiber rear diffuser. It is a complete replacement of the original plastic piece. Simply pop out the OEM diffuser and install this one the reverse of removal. 

Material: 

  • 100% Pre-peg Dry Carbon Fiber 2x2 Weave
  • High Gloss clear coat

Fitments:

  • 2021+ BMW G80 M3  
  • 2021+ BMW G82 M4 


We offer free shipping within the Continental U.S, for Headlights, Taillights, DRLs and Carbahn controllers. For Exterior and Performance products, standard shipping rates apply, We also ship worldwide, with rates automatically calculated at checkout.

Please note:
• For Retrofits, you are purchasing a headlight modification service.
• If you select
"Shipping own headlights to BayOptiks for modification", you are required to send us your headlights.
• If you choose
"Purchase new OEM headlights", we will order and modify a new OEM headlight for you.
• Once your customizations are complete, we will ship it to you!

  • Complete Headlights: 3-5 business days for order processing plus shipping time.
  • Custom & Pre-Built Headlights: 6-8 weeks depending on the complexity and component availability.
  • New OEM and cores: Additional 4-8 weeks as these are special orders base on the vehicle VIN due to different versions (North America, European, etc.)
  • DRLs, Taillights and Carbon Fiber Aero: 3-5 business days for order processing, plus shipping time.

Please note:
We do not have control over vendor, manufacturer or delivery service time frames, which may cause delays in components and shipment.

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Covered by a 1-Year Warranty

Shop with confidence and peace of mind! We provide a 1-year warranty on all Headlight DRLs and Taillights, covering any manufacturing defects or malfunctions. For Headlight Retrofits, we offer a 1-year warranty on any defects related to the services performed by BayOptiks.

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Why choose BayOptiks?

Made by real people

BayOptiks' journey started when our founder started modifying headlights as a hobby in his home garage. Today, we've grown into a full-time shop with a dedicated team, all sharing the same passion for modifying headlights and cars.

Here, we are focused on delivering an unsurpassed level of quality in our retrofit products and services, committed to ensure customer satisfaction.

We are located in Dublin, California, and for local customers, we offer in-house full-service for your needs, including headlight removal and reinstallation, restoration, repairs, and complete retrofit packages. Our location is 6743 Dublin Blvd, #17, Dublin, CA.

We offer local install

If you're in Dublin, CA, BayOptiks offers professional installation services at our headquarters. Installationis available exclusively for products purchased through our site. Click here to request a quote today!

Perfect fit assured

We ensure our products are a perfect match for your ride by uniquely combining two factors:

Title imagePremium quality products

We offer only the highest quality products, giving you the confidence that they will be the perfect fit for your car.

Title imageExpertise & know-how

With over 8 years of expertise, we are the trusted experts to customize and assemble the perfect part for your vehicle.

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Transforming your ride

Your car should be more than just a vehicle—it should reflect your style and meet your needs.

Feature Icon 1Our customization services turn your ride into a true extension of your personality, with tailored upgrades that make it more enjoyable.

Feature Icon 2We focus on perfecting every detail, ensuring your car looks and feels exactly how you envision it.