1. Auto Performance - Body Kits Items
  2. sku: 3681696518806641
  3. BMW 1239045

BMW 1239045 Rear Carbon Fiber Diffuser

fits model: M6. make: Bmw.

1239045 Bmw M6 Competition Carbon Fiber Rear Diffuser

( Type: Diffuser ), ( Color: Black ), ( Manufacturer Part Number: 1239045 ), ( Mounting Hardware Included: No ), ( Material: Carbon Fiber ), ( Country/region Of Manufacture: China ), ( Attachment Method: Screws ), ( Placement On Vehicle: Rear ), ( Performance Part: Yes )

Review BMW Competition Carbon Fiber Rear Diffuser fits M6

The BMW M6 Carbon Fiber Rear Diffuser (Part Number: 1239045) is an authentic, OEM component designed specifically for BMW M6 models. This rear diffuser is meticulously crafted from high-quality carbon fiber, lending it an exclusive and luxurious look while providing numerous functional benefits.

The carbon fiber material is renowned for its remarkable strength-to-weight ratio, making it an ideal choice for automotive components. In the context of the BMW M6 Carbon Fiber Rear Diffuser, this property translates to enhanced durability and improved overall vehicle performance. The lightweight nature of carbon fiber helps to reduce the vehicle's unsprung weight, allowing for better handling, responsiveness, and acceleration.

The BMW M6 Carbon Fiber Rear Diffuser is not just a performance upgrade; it also boasts an aesthetically pleasing design. The carbon fiber weave is visible throughout the component, showcasing the intricate and organic texture of the material. This visual element adds a touch of sophistication and exclusivity to the vehicle, making it a desirable addition for BMW M6 enthusiasts and collectors.

The rear diffuser plays a crucial role in optimizing the flow of air around the vehicle, enhancing its aerodynamic properties. By directing airflow effectively, the BMW M6 Carbon Fiber Rear Diffuser reduces drag and downforce, improving the vehicle's stability at high speeds and during cornering.

The component is engineered to fit seamlessly with the BMW M6's existing design, ensuring a perfect and harmonious integration. The installation process is straightforward, with no modifications required. This OEM component comes with all necessary hardware, making the installation process hassle-free and convenient for the end-user.

In summary, the BMW M6 Carbon Fiber Rear Diffuser (Part Number: 1239045) is a high-performance and visually striking component that enhances the vehicle's aerodynamic properties, durability, and overall appearance. Crafted from authentic carbon fiber material, this OEM component is a must-have for BMW M6 enthusiasts seeking to elevate their vehicle's performance and aesthetics.

Buying a BMW M6 carbon fiber rear diffuser can be an intriguing decision for BMW M6 owners looking to enhance the aesthetic appeal and performance of their vehicle. Here are some pros and cons to consider before making a purchase:

Pros:

1. Enhanced Visual Appeal: A carbon fiber rear diffuser adds a sporty and aggressive look to the BMW M6, making it a desirable aesthetic upgrade for many car enthusiasts.

2. Improved Downforce: The carbon fiber material of the diffuser increases downforce, which can improve handling and stability at high speeds.

3. Lightweight: Carbon fiber is a lightweight material, which can help reduce the overall weight of the BMW M6, leading to improved acceleration and fuel efficiency.

4. Durability: Carbon fiber is a strong and durable material, making it a desirable choice for automotive components that are subjected to high temperatures and stress.

Cons:

1. Cost: Carbon fiber rear diffusers can be quite expensive, with prices ranging from several hundred to several thousand dollars, depending on the manufacturer and quality.

2. Installation Complexity: Installing a carbon fiber rear diffuser can be a complex and time-consuming process, requiring specialized tools and expertise.

3. Potential for Damage: Carbon fiber components are susceptible to damage from impacts, UV light, and other environmental factors, which can make them more expensive to repair or replace compared to other materials.

4. Maintenance Requirements: Carbon fiber components require regular maintenance to keep them in good condition, including regular cleaning and protective coatings to prevent damage from the elements.

Conclusion:

A BMW M6 carbon fiber rear diffuser can offer several benefits, including improved visual appeal, downforce, and weight reduction. However, it also comes with some drawbacks, such as cost, installation complexity, potential for damage, and ongoing maintenance requirements.

Recommendation:

If you are a serious BMW M6 enthusiast looking for a significant performance upgrade and aren't concerned about the cost or installation complexity, a carbon fiber rear diffuser could be a worthwhile investment. However, if you are looking for a more affordable and easier-to-install option, there are other materials and designs available that may better suit your needs. Ultimately, the decision should be based on your personal preferences, budget, and level of commitment to maintaining the component over time.

part # 1239045 prices

  • $239.99-$623.99

specifications performaproto:

  • for models: M6
  • for makes: Bmw
  • type: Diffuser
  • color: Black
  • manufacturer part number: 1239045
  • mounting hardware included: No
  • material: Carbon Fiber
  • country/region of manufacture: China
  • attachment method: Screws
  • placement on vehicle: Rear
  • performance part: Yes

offer performaproto:

  • started: May 27, 2025
  • sold: 0
  • options: Ship-to-home
  • quantity: 1
  • availability: In Stock

returns performaproto:

  • policy: No Returns

shipping performaproto:

  • service: USPS Priority Mail
  • cost: $47.58
  • transit: 3-9 Days
  • class: Expedited
  • type: Calculated
  • carrier: USPS

seller performaproto:

  • rating: 86.4%
  • # reviews: 102

payments performaproto:

  • credit card: Mastercard
  • other
  • wallet: Google-pay

general performaproto:

  • condition: Used
  • Permance Racing Parts > Auto Permance Parts > Body Kits
for models: m6, for makes: bmw, type: diffuser, mounting hardware included: no, country/region of manufacture: china, attachment method: screws, placement on vehicle: rear, performance part: yes,
category: auto parts > racing parts > body kits, color: black, material: carbon fiber, sku: 3681696518806641,

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