Scopione Carbon Fiber Rear Diffuser for BMW M3 E92 E93
Angled View of Scopione Carbon Fiber Rear Diffuser for BMW M3 E92 E93
Top View of Scopione BMW M3 E92 Carbon Fiber Add-On Rear Diffuser
Close-Up of BMW M3 E93 Carbon Fiber Rear Bumper Diffuser by Scopione
Underside of Scopione Carbon Fiber Rear Diffuser for BMW M3 E92 E93
Installed Scopione Carbon Fiber Rear Diffuser on BMW M3 E92

Carbon Fiber Rear Bumper Diffuser for BMW 08-13 3 Series M3 – E92 E93

Rated 5.00 out of 5 based on 17 customer ratings
(17 Reviews)

Original price was: $600.00.Current price is: $360.00.

Part(s) Fitment:
  • Make: for BMW
  • Model: for M3 3 Series E92 E93
  • Year(s): 2008-2013
  • **FITS ONLY: 2dr M3 E92 E93 Rear Bumpers as Pictured
  • **Will NOT Fit: 4dr BMW M3 E90 E91 Sedans
  • **Will NOT Fit: Regular or M-Tech BMW 3 Series Models
Part(s) Features:
  • ✔ Real Carbon Fiber – 2×2 3K Twill Weave with a Glossy Finish.
  • ✔ Direct Replacement – Designed as an Add-On Part.
  • ✔ UV & Element-Resistant Coating – Protects against fading and discoloration.
  • ✔ Easy Maintenance – Simple to clean using everyday cleaning methods.
  • ✔ Quick & Hassle-Free Installation – No modifications required.
  • ✔ Distinctive Styling Upgrade – Enhances aesthetics with an aggressive, high-performance look.
  • ✔ Limited Warranty: 1 Year (365 days).

**Note: Please compare your vehicle parts to Scopione Images

In stock

In-Stock & Ready to Ship (Fast Dispatch)

Ships from US Locations (No Overseas Delays)

Insured Shipping + Careful Packaging (Safe)

SKU: SC-BMW-M3E92-DIFF-CB41 Category: Tags: , Brand:
Carbon Fiber2x2 3K Twill WeaveAdd OnNo Hardware Included12 Months Limited Warranty

Carbon Fiber Rear Bumper Add-On M3 Style Diffuser by Scopione for BMW 08-13 3 Series M3 E92 E93 Models – Coupes & Convertibles

Unleash the aggressive styling and aerodynamic performance your BMW M3 was born for with the Scopione Carbon Fiber Add-On Rear Bumper Diffuser, precisely engineered for 2008–2013 BMW 3 Series M3 E92 (Coupe) and E93 (Convertible) models. This premium carbon fiber rear diffuser blends race-inspired aesthetics with real-world performance benefits—improving rear airflow, enhancing downforce, and transforming the rear end of your M3 into a true M Performance machine.

Key Features:

  • Model-Specific Fitment – Custom-designed for perfect fitment on the BMW M3 E92 Coupe and E93 Convertible from 2008–2013. Compatible with OEM rear bumpers.
  • Real Carbon Fiber Construction – Crafted from high-quality 2×2 twill weave carbon fiber with a high-gloss, UV-resistant clear coat to maintain durability, depth, and finish over time.
  • Add-On Style Installation – This is an add-on rear diffuser—not a full bumper replacement—designed for straightforward mounting and easy alignment with factory lines.
  • Aerodynamic Performance – Enhances underbody airflow and rear-end stability at speed, ideal for both daily drivers and track builds. Improves rear aesthetics and complements other carbon fiber upgrades.
  • Lightweight & Functional – Carbon fiber’s lightweight strength delivers performance benefits without adding unnecessary mass—perfect for enthusiasts looking to reduce weight and increase visual impact.

Add-On Rear Bumper Diffuser Fits Models Below:

  • BMW M3 3 Series E92 Coupe & E93 Convertible: 2008, 2009, 2010, 2011, 2012, 2013
  • Will NOT Fit: E90 M3 Sedan Rear Bumpers
  • Make sure your OEM Rear Bumper is the same as in our Product Images

Why Choose Our BMW M3 Carbon Fiber Diffuser?

Scopione is known for premium carbon fiber parts that deliver OEM-like fitment with elevated design and durability. This rear bumper diffuser is part of our M3-exclusive line of aerodynamic upgrades tailored to enhance both form and function. Take your BMW M3’s rear styling to the next level with Scopione’s Carbon Fiber Rear Diffuser—where performance, customization, and craftsmanship meet.

Installation:
  • Parts are hand made to add-on to Factory Rear Bumper
  • No modifications are needed
  • Professional Installation is advised
  • Parts are designed specifically for your make and model
  • Secured in place with place holders/clips/bolts/screws
Scopione Package Contents:
  • ( 1 ) One Packaging Box
  • ( 1 ) Add-On Rear Diffuser
  • ( 0 ) Installation Manual, Tools or Hardware are NOT Included

Enhance your BMW M3’s rear bumper today with this high-quality carbon fiber diffuser – the ultimate blend of performance, protection, and aesthetics for your machine. Give your BMW the aggressive look it deserves – choose Scopione for performance, precision, and premium style.

**Note: if for any reason you decide over time that you want to remove Scopione part(s), the process can be reversed.

Interchange Part Numbers for RHD and LHD models: Add-On Part / See Pictures

Installation guidance for Scopione replacement and add-on parts. For best results, test-fit before any paintwork, drilling, trimming, or permanent installation. If you would like us to confirm compatibility or your installation approach before you begin, contact us with clear photos of your OEM part and any relevant options.

Quick install overview
  • Unbox & inspect: confirm the part, finish, and contents before starting. Keep all packaging until installation is complete.
  • Dry test-fit first: verify alignment, gaps, and clearance before any drilling, trimming, paintwork, or permanent mounting.
  • Replacement parts: typically use OEM mounting points and may reuse factory hardware—tighten evenly and avoid over-torquing carbon.
  • Add-on parts: may install with 3M VHB tape, brackets, or light trimming depending on your setup and existing modifications.
  • Protect the finish: use clean microfiber towels and masking tape on edges while positioning and aligning.
  • Professional installation recommended: especially for aero components and precision-fit parts.
Before you start

Work on a clean, well-lit surface. Confirm left/right orientation, compare the part to your OEM component, and verify that mounting points and edges align during a dry-fit. If your vehicle has aftermarket bumpers/diffusers, previous repairs, or custom bodywork, fitment may vary—do not force alignment before checking the install position.

Dry-fit & alignment tips

Position the part gently and never force it into place. If fasteners are used, hand-start them first, then check gaps, edge alignment, and clearance before tightening evenly. Use low-tack tape to mark reference points so you can repeat the exact placement after cleaning or adhesive preparation.

Adhesive installs (3M tape)

Prep is everything. Clean both surfaces with isopropyl alcohol, make sure they are fully dry, and install in a warm environment whenever possible. Apply firm, even pressure along the entire tape line to ensure full contact. For best adhesion, avoid washing or rain exposure immediately after installation and allow adequate cure time before heavy use.

Fastener installs (bolts/screws/clips)

Hand-start all fasteners to prevent cross-threading, then tighten gradually and evenly to keep the part aligned. Do not over-tighten—carbon fiber can crack from excessive point load. When possible, follow OEM torque guidance for that mounting location and use washers/spacers as appropriate to distribute pressure.

Installation details
  • Details: Installation specifics depend on the part. Review the Part Details and Features tabs for guidance, or contact us for confirmation before you begin.
Suggested tools & supplies

In most cases you’ll want basic hand tools, trim tools, clean microfiber towels, isopropyl alcohol, and masking tape. If using 3M tape, gentle warming (heat gun on low or a warm environment) helps improve initial adhesion. Exact tools and supplies vary by part and vehicle setup.

Important note on modifications

Only drill, trim, or perform paintwork after a successful dry test-fit and confirmed alignment. If anything looks off, stop before making permanent changes and contact us—we’ll help you verify the correct placement and approach.

After-install checklist

Verify clearance and movement (full steering lock where applicable), confirm there is no contact with heat sources, and ensure all edges are seated securely. If installed with fasteners, re-check alignment and tightness after initial use to account for settling and vibration.

Care & maintenance

Cleaning: Use a pH-neutral car shampoo and clean microfiber towels.

Avoid: harsh solvents (acetone, brake cleaner), abrasive pads, aggressive cutting compounds, and pressure-washing directly at edges/seams.

Protection: Treat the finish like painted bodywork. A quality sealant or ceramic coating may be used if compatible with your detailer’s process.

For long-term gloss and UV protection, many owners choose a quality sealant or ceramic coating applied by a professional detailer. If you want recommendations for safe products for your finish or climate, contact us and we’ll help.

If something doesn’t line up

Stop before forcing, drilling, trimming, or making any permanent changes. Misalignment is often caused by aftermarket bumpers/diffusers, prior repairs/bodywork, or positioning during the dry-fit. Send clear photos of the mounting points, the surrounding area, and a wider shot of the overall fitment, and we’ll help you troubleshoot the correct placement and next step.

Need tracking or delivery help?

You can view shipment updates on our Order Tracking page. If you need assistance, contact us with your order number and (if applicable) photos of the box/label, and we’ll help resolve it quickly.

Need help before installing? Contact us
with clear photos of your OEM part and we’ll guide you.

Quick answers on fitment, finish, shipping, and warranty. If you’re unsure about compatibility, message us with clear photos of your OEM part (and any relevant options) and we’ll help confirm fitment.

Will this fit my vehicle?

Start with the Compatibility tab on this page. Fitment can vary by factory options, model-year changes, and aftermarket bumpers/diffusers. If you’d like a quick confirmation before ordering, send clear photos of your OEM part (and any relevant options) and we’ll help verify compatibility.

What warranty do you offer?

Most products include a 6–12 month limited warranty against manufacturing defects (coverage varies by item). To protect coverage, please test-fit before any cutting, drilling, paintwork, or permanent installation. Warranty does not cover damage caused by improper installation, accidents/impact, road debris, or harsh chemicals/cleaners.

Do your carbon-fiber parts look exactly like the photos?

Carbon fiber is hand-laid, so subtle variations in weave direction, pattern alignment, and gloss can occur—this is normal and part of the material’s character. Every piece is inspected for finish quality before it ships.

Is installation hardware included?

Hardware inclusion varies by product. If hardware is not listed in the product details, the part is typically designed to reuse OEM mounting points and factory fasteners. For best results—and to protect the finish—professional installation is recommended.

Do parts come painted, and can I paint carbon fiber?

Most carbon-fiber parts arrive with a clear-coated finish unless otherwise stated. You can leave the carbon exposed, wrap it, or paint it for a matched look. For best results, test-fit before any paintwork and follow your installer/body shop’s prep process for proper adhesion.

When will my order ship and how do I track it?

In-stock items typically ship within 2–3 business days. If an item is made-to-order or temporarily out of stock, we’ll contact you with the expected lead time. Once your order ships, tracking is emailed automatically and you can also check updates on our Order Tracking page.

How are parts packaged, and what if there is shipping damage?

Every part is carefully packed to protect the finish in transit and shipped in a plain outer carton. Please inspect your delivery upon arrival. If anything looks damaged or missing, take clear photos of the outer box, shipping label, packing materials, and the item, then contact us within 48 hours so we can resolve it as quickly as possible.

Do you ship internationally?

Yes, we ship internationally. Available shipping options and rates are shown at checkout based on your destination and package size. Import duties, taxes, and any broker/clearance fees (if applicable) are determined by your country and are the buyer’s responsibility.

Can I cancel or change my order after purchase?

If you need to change or cancel an order, please contact us as soon as possible. If the order has not shipped, we’ll do our best to accommodate your request. Once an order is in processing or has shipped, changes may be limited.

How do I care for carbon fiber?

Treat carbon fiber like painted bodywork: wash with a pH-neutral car shampoo, rinse thoroughly, and dry with clean microfiber towels. Avoid harsh solvents, abrasive pads, and aggressive cutting compounds. If you’re unsure what’s safe for your finish or climate (UV/heat), message us and we’ll advise.

Please Note: Products sold by Scopione are intended for lawful use only. Scopione is not affiliated with or endorsed by any vehicle manufacturer.
All logos, names, and images shown are used for nominative and informational purposes.

Still have questions? Contact us

17 reviews for Carbon Fiber Rear Bumper Diffuser for BMW 08-13 3 Series M3 – E92 E93

  1. Rated 5 out of 5

    Shawn J. –

    The M3 diffuser I got looks really nice on my car. I love this website because they always have the accessories and parts that I am looking for and they get delivered quickly.

  2. Rated 5 out of 5

    Venom W. –

    I love buying from this company. The Scopione.com site is easy to use and the parts are always top of the line.

  3. Rated 5 out of 5

    Frankie J. –

    This Scopione site is really great to buy from, secure and fast. They definitely know all about the products, which made it easier for me to make my buying decisions and carbon by Scopione is always high quality.

  4. Rated 5 out of 5

    Jonathan M. –

    Aggressive Styling Without Sacrificing OEM Fitment

    After researching dozens of diffuser options, I chose Scopione for my 2011 M3 E92—and I’m so glad I did. The add-on style design was exactly what I needed since I didn’t want to replace the entire bumper. Installation was fast, and it lined up perfectly with the factory curves. The carbon fiber weave is absolutely stunning under direct light, and the high-gloss finish makes it look like a genuine BMW M Performance part. This rear diffuser completely transformed my M3’s rear end—it looks wider, more planted, and much more aggressive.

  5. Rated 5 out of 5

    Eric T. –

    Enhanced Aerodynamics and Race-Ready Styling – After installing this carbon fiber diffuser on my 2009 BMW M3 E92, the rear looks absolutely dialed in. Between the aerodynamic improvement and aggressive stance it provides, this piece checked every box for me. It works perfectly with a carbon lip spoiler and Scopione side skirts. I constantly get asked where I got it—this is a true enthusiast-grade upgrade.

  6. Rated 5 out of 5

    David C. –

    True Add-On Diffuser with Functional Aero Benefits – This isn’t just a decorative piece—it actually works. I’ve noticed smoother airflow and less turbulence around the rear end of my E92 M3 since installing the Scopione diffuser. Installation was quick, the carbon weave is flawless, and it adds a race-ready edge without looking too flashy. An ideal part for anyone seeking lightweight performance upgrades that still look classy.

  7. Rated 5 out of 5

    Brian L. –

    Perfect Carbon Upgrade for My Convertible M3 – Scopione’s carbon fiber rear diffuser was the missing piece for my E93 convertible. It complements the rear lines of the bumper perfectly and looks even better with the top down. Lightweight yet solid, it adds performance-inspired character to an already iconic car. Great for anyone looking to refine their rear-end styling without a full bumper swap.

  8. Rated 5 out of 5

    Michael S. –

    Track-Ready Look with Street-Friendly Functionality – I track my 2010 BMW M3 E92 a few times a year and wanted a carbon fiber rear diffuser that wasn’t just for looks. The Scopione diffuser adds functional rear-end airflow control while maintaining an OEM+ appearance. The lightweight carbon construction didn’t add any unnecessary weight, and the add-on style saved me from expensive modifications. This is hands-down the best balance of performance and customization I’ve seen in this category. Everything about the build screams premium—from the fitment to the finish.

  9. Rated 5 out of 5

    Andrew V. –

    Perfect Pairing with Other Scopione Carbon Upgrades – I already had the Scopione front lip on my 2012 M3 E93, so it made sense to go with the same brand for the rear. The rear diffuser didn’t disappoint. It ties the whole build together and adds that much-needed carbon presence to the rear bumper. The 2×2 twill weave and gloss coat match my other parts exactly. No fading, no warping, and no weird install quirks—it fits like a glove. This is one of the few rear carbon upgrades I trust on a convertible like the E93.

  10. Rated 5 out of 5

    Chris N. –

    Scopione Rear Diffuser = Premium Craftsmanship – You can tell Scopione takes pride in their products. The quality of this M3 E92 carbon fiber diffuser is unmatched—flawless clear coat, rigid build, lightweight, and zero imperfections. I’ve tried cheaper options before and ended up returning them. This diffuser was worth every penny and gives my E92 that clean yet aggressive rear aesthetic I was looking for.

  11. Rated 5 out of 5

    Jason F. –

    M3 E92 Carbon Styling Done Right – Been piecing together carbon fiber parts for my 2008 M3 E92 build, and this rear diffuser by Scopione is the most eye-catching part I’ve added yet. It fits perfectly, lines up with the OEM bumper, and the gloss finish is unreal. This is the kind of exterior mod that gives your BMW that true motorsport look—without sacrificing functionality or fitment.

  12. Rated 5 out of 5

    Kevin R. –

    Functional and Stylish Carbon Fiber Add-On – What I love about Scopione’s carbon fiber rear bumper diffuser is that it’s not just for looks. On my E93 M3, I actually noticed improved airflow from underneath the car—especially at highway speeds. It also reduces visual bulk in the rear and highlights the exhaust system. A well-made performance mod that doesn’t require heavy modification.

  13. Rated 5 out of 5

    Anthony B. –

    Easy Install, Big Visual Payoff – I was surprised how quick the install was for this add-on diffuser. It attaches cleanly with no gaps or awkward angles. On my 2008 E92 M3, it completely changes the rear profile—it looks wider, lower, and just more aggressive. Scopione’s attention to detail really stands out here. Definitely one of the best carbon fiber rear diffuser options available for the E92 M3 platform.

  14. Rated 5 out of 5

    Tyler J. –

    Unmatched Quality Compared to Cheaper Alternatives – I made the mistake of trying a cheaper carbon fiber diffuser first. It didn’t fit, the weave was uneven, and the finish started fading after a few months. Then I ordered the Scopione diffuser—and wow, what a difference. The quality of the carbon fiber is night and day. It’s solid, cleanly finished, and professionally packed. Fitment on my 2008 M3 E92 was perfect right out of the box. You get what you pay for, and in this case, it’s well worth every dollar. I won’t buy carbon from anyone else now.

  15. Rated 5 out of 5

    Daniel K. –

    Elevates the Rear Aesthetic of the M3 with Zero Compromises – The rear of the M3 can look a little tame—until you install this carbon diffuser from Scopione. My 2013 M3 E92 went from subtle to stunning in just an afternoon. The aggressive fins, the tight OEM-style fit, and the lightweight carbon fiber construction make this one of the best exterior upgrades I’ve done. It’s not just a styling piece—it genuinely adds character and aero enhancement without overdoing it. For anyone building an M3 that balances luxury and motorsport, this diffuser is essential.

  16. Rated 5 out of 5

    Matt W. –

    Aggressive Rear-End Look That Turns Heads – Scopione’s carbon fiber rear diffuser instantly transformed the rear of my 2013 BMW M3 E92. The fitment was exact, the weave matched my other carbon parts, and the finish is show-quality. This is the perfect rear bumper upgrade if you’re going for a more aggressive, M Performance-inspired look without going full replacement bumper. Highly recommend for E92 coupe M3 owners looking to add functional styling and lightweight carbon components.

  17. Rated 5 out of 5

    Jessica D. –

    Flawless Fitment and Real Carbon Fiber Quality – Installed this on my 2010 M3 E93 and the fitment was absolutely perfect. Scopione clearly knows the E93 platform because this diffuser lines up with the factory bumper like it came from BMW. The 2×2 twill weave is deep and glossy—true premium-grade carbon fiber. It’s an easy way to boost rear-end styling and complements other aftermarket carbon upgrades beautifully.

Leave Your Review

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Scopione is designed for enthusiasts who expect precise fitment, a high-quality finish, and a premium buying experience. Here is what you can count on when you choose Scopione carbon-fiber products.

Fitment confidence
  • Compatibility-first: start with the Compatibility tab for the most accurate fitment notes.
  • Pre-purchase support: if anything is unclear, send clear photos of your OEM part and we’ll help verify compatibility.
  • Installer-friendly process: we recommend a dry test-fit before any paintwork or permanent modifications.
Premium finish standards

Carbon fiber is hand-laid, so subtle variations in weave direction, pattern alignment, and gloss can occur—this is normal and part of the material. Every piece is inspected for overall finish quality before it ships.

Premium ownership experience
  • Protected shipping: parts are carefully packed to help protect the finish in transit and shipped in a plain outer carton.
  • Fast resolution: if anything arrives damaged or missing, contact us within 48 hours with clear photos and we’ll assist promptly.
  • Warranty clarity: most products include a 6–12 month limited warranty against manufacturing defects (coverage varies by item).
Care & maintenance guidance

We provide clear care guidance so your carbon fiber stays looking its best: wash with a pH-neutral car shampoo, dry with clean microfiber towels, and avoid harsh solvents or abrasive pads.

Please Note: Products sold by Scopione are intended for lawful use only. Scopione is not affiliated with or endorsed by any vehicle manufacturer.
All logos, names, and images shown are used for nominative and informational purposes.

Still have questions? Contact us
Weight 5 lbs
Dimensions 55 × 10 × 10 in
Condition

New
Surface Finish

Glossy Black
Condition New

Related Parts

Scopione Editorial Authority

Carbon Fiber Knowledge by Scopione

Learn how authentic carbon fiber parts are made, why premium materials cost more, and how to spot cheap knockoffs before you buy. Real carbon fiber engineering — not marketing hype.

Need fitment help before ordering?
Send your year/model + a few photos of your current setup for the fastest confirmation.
Confirm Fitment Why Scopione