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Trying to find a list of all the rear diffuser options out there for your BMW E92 M3 E90 M3 E93 M3 in 2023 and 2024? Looking for a rear diffuser in general your BMW E92 M3 E90 M3 E93 M3? We put together a list of trusted sources where you can purchase with confidence. Browse our recommend selection of rear diffusers for the BMW E92 M3 E90 M3 E93 M3 below! You can use our discount codes or check their websites to see what promotions they currently offer. You can browse options below, or click the links to see the sellers entire website selection.

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AutoTalent discount code M3List RKP Carbon Diffuser 1x1 Weave - Bmw M3 E92, E93 2008-2013

RKP’s next entry in their E92 M3 catalog follows the same guiding philosophy RKP has pursued throughout their tenure as a manufacturer for the chassis- provide race inspired parts with excellent fit, and fantastic weight and rigidity.

The RKP rear diffuser consists of two pronounced outside channels and a more subtle center structure, giving the diffuser an appearance that is a clear homage to racing cars. The diffuser is built by hand from pre-preg carbon fiber, is available in plain (1×1) or twill (2×2) weave, and like all RKP parts boast flawless fit and finish.

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Performance Carbon Fiber Rear Diffuser ECS Tuning

M3’s come from the factory with beautiful aerodynamics and style. But just like anything, there is always room for improvement. That’s where we come in. With this new ECS Tuning performance rear diffuser, you can rest assured knowing your car us unlike any other. Constructed of high quality carbon fiber, it is incredibly lightweight with a beautiful finish. Unlike some other diffusers on the market, this one also carries functionality of enhanced vehicle aerodynamics. Beautiful. Elegant. Aero. Set your car apart from the crowd.

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Pom Performance discount code m3list BMW E92 E93 M3 V Style Carbon Fiber Diffuser

Fit BMW E92 E93 M3 Rear Bumper Only High Quality Carbon Fiber 2×2 weave Excellent Fitment Professional Installation required May need to remove bumper to install. Discount code M3List saves on the entire POM Performance website!

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Pom Performance discount code m3list BMW E92 E93 M3 Carbon Fiber Diffuser GS Style

Fit BMW E92 E93 M3 Rear Bumper Only High Quality Carbon Fiber 2×2 Weave Excellent Fitment Professional Installation required May need to remove bumper to install. Discount code M3List saves with POM Performance!

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Pom Performance discount code m3list BMW E90 M3 Carbon Fiber 3D Style Diffuser

BMW E90 M3 Carbon Fiber 3D Style Diffuser Fits BMW E90 M3 Rear Bumper Only High Quality Carbon Fiber 2×2 weave Excellent Fitment Professional Installation required May need to remove bumper to install. Discount code M3List saves on the entire POM Performance website!

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Pom Performance discount code m3list BMW E90 E92 M3 Varis Style Diffuser

BMW E90 E92 M3 Varis Style Diffuser High Quality Carbon Fiber2x2 Weave Professional Installation Only Fit E90 M3 E92 M3 E93 M3 2008-2013. Discount code M3List saves with POM Performance!

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Pom Performance discount code m3list BMW E90 E92 M3 Varis Style Diffuser

BMW E90 E92 M3 Varis Style Diffuser High Quality Carbon Fiber2x2 Weave Professional Installation Only Fit E90 M3 E92 M3 E93 M3 2008-2013. Discount code M3List saves on the entire POM Performance website!

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Pom Performance discount code m3list BMW E92 E93 M3 Carbon Fiber HM Style Diffuser

Fit BMW E92 E93 M3 Rear Bumper Only High Quality Carbon Fiber 2×2 Weave Excellent Fitment Professional Installation required May need to remove bumper to install. Discount code M3List saves with POM Performance!

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Mashimarho discount code m3_list Aggressive E92 M3 Rear Carbon Fiber Diffuser

Here before you is an aggressive E92 M3 rear bumper diffuser. This is made to offset the already aggressive rear bumper. It will fit with all M3 exhausts. Fitment is great as you can see. Photos below are of the diffuser without double sided tape applied. Fitment is fantastic! Does not fit E90/E91. Discount code M3_List saves on the entire Mashimarho website!

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Bmwmpower247 discount code m3list E92 M3 H Style CF Diffuser

A must have for any E92 M3 build! Fitment: 2008-2013 E92 M3 -2×2 Carbon Fiber Weave -High Gloss Clear Coat -100% Carbon Fiber. Discount code M3List saves with Bmwmpower247!

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V3 CARBON FIBER UNDERTRAY - E92 / E93 M3

This is the most aggressive E9X M3 undertray available on the market today. Please note that quantity is extremely limited. This piece has the same 2×2 carbon weave that is found on our other E9X M3 products. Additionally, each piece comes with a pre-applied clear coat to protect against small rock chips and harmful UV rays. This diffuser is a direct bolt-on to your E9X M3 coupe. Please note that we highly recommend professional installation on this undertray and that it is only compatible with the E92 and E93 M3. Discount code M3List saves on the entire Horizon Motorsport website

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Horizon Motorsport discount code m3list 3D STYLE CARBON FIBER DIFFUSER - E90 M3

Give your E90 M3 a subtle upgrade with the 3D Style Carbon Fiber diffuser. This diffuser features a 2×2 carbon weave and comes equipped with a high quality clear coat to protect against harmful UV rays and minor rock chips. Please note that this part is only compatible with the E90 M3. Professional installation is highly recommended.Discount code M3List saves with Horizon Motorsport!

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Extreme Power House discount code m3list DINMANN CARBON FIBER REAR DIFFUSER-BMW E92/E93 M3 E9x

Motorsport inspired our Carbon Fiber Finned Rear Diffuser adding styling to the complex contours of the rear body-lines, carefully confined around the exhaust tips and ending at each end of the rear bumper for an aggressive aesthetic design.

Fits ONLY E92/93 M3 models. When ordering, please let us know what vehicle this is for. Discount code M3List saves on the entire Extreme Power House website

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BimmerPlug discount code M3List VR Style Carbon Fiber Rear Diffuser - BMW E92 / E93 M3

The VR style carbon fiber rear diffuser showcases a gloss carbon finish that captivates a modern aesthetic on your BMW E92 / E93 M3 for a signature appearance on every occasion. Discount code M3List saves with BimmerPlug!

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Bmwmpower247 discount code m3list E92/E93 M3 GTS-V Style CF Rear Diffuser

Add a more aggressive touch to your E92/E93 M3 with this Carbon Fiber Diffuser! -High Gloss Clear Coat -Excellent Fitment Professional Installation Recommended. Discount code M3List saves on the entire Bmwmpower247 website!

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rwcarbon discount code m3list BMW E92 E93 M3 Arkym Style CF Diffuser

Complete that aggressive appearance you are after with the addition of this BMW E92/E93 Arkym Style Carbon Fiber Rear Diffuser. This diffuser is ideal for enthusiasts looking for the most aggressive look possible and goes great with other carbon fiber exterior styling items. Expect great fit, finish, and prompt shipment when you choose rwcarbon.com for your M3 aero items. Additionally this diffuser will match your carbon fiber roof or other CF accessories as it comes in a 1×1 carbon fiber weave. Expect superb fitment and quality when you choose RW Carbon as your source for BMW E92/E93 carbon fiber parts like this Arkym style diffuser. Discount code M3List saves with RWCarbon!

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RWCarbon discount code m3list BMW E90 M3 Hamann Style Carbon Fiber Diffuser

This Hamann Style Carbon Fiber Rear Diffuser is directly modeled after the real Hamann diffuser for the E90 M3. These are built using real 1×1 plain weave carbon fiber and then finished off with a high quality clear coat that not only gives it a beautiful shine, but also protects it from the sun and road debris. Each diffuser that ships out is quality checked to ensure you are receiving a defect free product. Call up on of our carbon fiber specialists today and learn more about how you can get your hands on a new diffuser for your BMW E90 M3. Discount code M3List saves on the entire RWCarbon website!

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3D Design E92 / E93 M3 Carbon Rear Diffuser

3D Design chooses not to focus on time and cost, but instead concentrates on detail and accuracy. From the tight fitment of the exterior components to the flawless carbon weave in their CFRP components, 3D Design’s detail oriented philosophy can be seen in every piece available for the E92 / E93 M3. 

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AeroFlow BMW E92/93 M3 Rear Diffuser V1 ecstuning

Made from high-quality aluminium made in the USA comes fully CNC’d and professionally powder coated gloss black. Comes pre-drilled for easy installation.

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RKP E92 / E93 M3 GT Carbon Rear Diffuser - Race IND

The back of your BMW should make an impression each time it drives away; with the right parts, that’s a guarantee. Designed, engineered, and manufactured in the USA, the RKP dry carbon rear diffuser is a stylish accent to the back of any E92 and E93 M3s.  Each diffuser is constructed by hand from 100% carbon fiber and composite materials inside and out.

Proper mounting and fitment is at the top of our list; that’s why smooth mounting surfaces and reinforced bolt holes make sure your diffuser stays on and looking good for years to come. To ensure quality, they’re made with the finest Dry Carbon materials available at our partner’s Indy car and aerospace facility. 

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3D Design E90 M3 Carbon Rear Diffuser IND

3D Design chooses not to focus on time and cost, but instead concentrates on detail and accuracy. From the tight fitment of the exterior components to the flawless carbon weave in their CFRP components, 3D Design’s detail oriented philosophy can be seen in every piece available for the E90 M3.

Click here to see pricing

Use discount code “M3List” to save at checkout!

RWCarbon discount code m3list BMW E90 M3 Hamann Style Carbon Fiber Diffuser

This Hamann Style Carbon Fiber Rear Diffuser is directly modeled after the real Hamann diffuser for the E90 M3. These are built using real 1×1 plain weave carbon fiber and then finished off with a high quality clear coat that not only gives it a beautiful shine, but also protects it from the sun and road debris. Each diffuser that ships out is quality checked to ensure you are receiving a defect free product. Call up on of our carbon fiber specialists today and learn more about how you can get your hands on a new diffuser for your BMW E90 M3. Discount code M3List saves on the entire RWCarbon website!

Click here to see pricing

Use discount code “M3List” to save at checkout!

BimmerEuro discount code m3list CARBON FIBER REAR DIFFUSER FOR E92 / E93 BMW M3

Introducing the Carbon Fiber Rear Diffuser for E92/E93 BMW M3 – a must-have upgrade for automotive enthusiasts seeking to enhance both the performance and aesthetic appeal of their prized M3. Meticulously crafted with precision and style in mind, this rear diffuser is the perfect blend of form and function.

Constructed using high-quality carbon fiber material, renowned for its exceptional strength-to-weight ratio, this rear diffuser offers durability and performance that will surpass your expectations. Engineered specifically for the E92 and E93 models of the iconic BMW M3, it seamlessly integrates into the rear bumper, creating a striking visual statement that complements the car’s aggressive design language. Discount code M3List saves with BimmerEuro!

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Use discount code “M3List” to save at checkout!

autotalent discount code m3list RKP Carbon Diffuser 2x2 Weave - Bmw M3 E92, E93 2008-2013

The RKP rear diffuser consists of two pronounced outside channels and a more subtle center structure, giving the diffuser an appearance that is a clear homage to racing cars. The diffuser is built by hand from pre-preg carbon fiber, is available in plain (1×1) or twill (2×2) weave, and like all RKP parts boast flawless fit and finish. Discount code M3List saves with AutoTalent!

Click here to see pricing

Use discount code “M3List” to save at checkout!

BimmerPlug discount code m3list Hamann Style Carbon Fiber Rear Diffuser - BMW E90 / E92 / E93 M3

The Hamann Style carbon fiber rear diffuser showcases a gloss carbon finish that captivates a modern aesthetic on your BMW E90 / E92 / E93 M3 for a signature appearance on every occasion. Discount code M3List saves on the entire BimmerPlug website!

Click here to see pricing

Use discount code “M3List” to save at checkout!

BimmerEuro discount code m3list CARBON FIBER REAR DIFFUSER FOR E92 / E93 BMW M3

Introducing the Carbon Fiber Rear Diffuser for E92/E93 BMW M3 – a must-have upgrade for automotive enthusiasts seeking to enhance both the performance and aesthetic appeal of their prized M3. Meticulously crafted with precision and style in mind, this rear diffuser is the perfect blend of form and function.

Constructed using high-quality carbon fiber material, renowned for its exceptional strength-to-weight ratio, this rear diffuser offers durability and performance that will surpass your expectations. Engineered specifically for the E92 and E93 models of the iconic BMW M3, it seamlessly integrates into the rear bumper, creating a striking visual statement that complements the car’s aggressive design language. Discount code M3List saves with BimmerEuro!

Click here to see pricing

RKP E90 M3 GT Carbon Rear Diffuser - Race IND

Designed, engineered, and manufactured in the USA, the RKP dry carbon rear diffuser is a stylish accent to the back of any M3. Each diffuser is constructed by hand from 100% carbon fiber and composite materials inside and out. Smooth mounting surfaces and reinforced bolt holes will keep it secure and looking good for years to come. To ensure quality, it’s made with Dry Carbon materials available at our partner’s Indy car and aerospace facility. Available in 1×1 plain or 2×2 twill weave.

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Use discount code “M3List” to save at checkout!

Pom Performance discount code m3list BMW E90 E92 M3 Rear bumper Splitters

Set of left and right BMW E92 M3 rear bumper splitters. Will work with E90 2×2 carbon fiber Weave Drill required (double side tape will not be safe). Discount code M3List saves on the entire POM Performance website!

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POM Performance discount code m3list BMW E92 M3 Rear Bumper Extension skirts

Set of left and right BMW E92 M3 rear bumper skirts 2×2 carbon fiber Weave 2008-2013. Discount code M3List saves with POM Performance!

The BMW E92 M3 is an iconic sports car, known for its potent performance and striking aesthetics. However, even a masterpiece like the E92 M3 can benefit from aftermarket upgrades, especially when it comes to enhancing its aerodynamics and visual appeal. One popular modification among car enthusiasts is upgrading the rear diffuser. In this article, we’ll explore the importance of the rear diffuser and discuss the steps and options available for upgrading this crucial component on your E92 M3.

The Role of the Rear Diffuser

The rear diffuser on a high-performance vehicle like the E92 M3 serves a pivotal role in improving aerodynamics, reducing drag, and enhancing stability. Essentially, it’s designed to manage the airflow beneath the car and create a low-pressure area that helps increase downforce. The greater downforce generated by an effective diffuser ensures better traction, improved handling, and higher stability at high speeds.

Upgrading Your Rear Diffuser

When it comes to upgrading the rear diffuser of your BMW E92 M3, there are several options available, each with unique benefits. Below, we’ll explore some of the popular choices:

  1. Carbon Fiber Diffuser:

Carbon fiber is a popular material for aftermarket automotive parts due to its lightweight yet sturdy nature. A carbon fiber diffuser not only enhances the car’s aesthetics but also reduces weight, which can help improve overall performance. Additionally, carbon fiber provides a premium appearance and an aggressive, sporty look to your E92 M3.

  1. Splitter Style Diffuser:

The splitter-style diffuser design is a favorite among enthusiasts for its distinctive look. It extends outward, creating a more pronounced appearance, while also improving airflow management. This design choice is excellent for those who want to make a statement with their E92 M3’s rear end.

  1. Adjustable Diffuser:

Some aftermarket diffusers are adjustable, allowing you to fine-tune your downforce and the balance of your car. These diffusers come with adjustable fins or wings that can be altered to suit your specific driving needs, whether it’s for track days or daily driving.

  1. Performance-Oriented Diffusers:

For individuals who are focused on improving track performance, there are high-performance rear diffusers available. These diffusers are typically more intricate in design, engineered for maximum aerodynamic efficiency and downforce generation.

Installation Process

Upgrading your BMW E92 M3’s rear diffuser may seem like a daunting task, but it’s manageable for DIY enthusiasts or can be completed by a professional. Here’s a general outline of the installation process:

  1. Prepare the workspace: Ensure you have a clean and organized workspace with proper tools. Follow safety guidelines, and if you’re unsure about any step, consult a professional.

  2. Remove the existing diffuser: Carefully remove the OEM (original equipment manufacturer) diffuser, being cautious not to damage the car’s bodywork.

  3. Test-fit the new diffuser: Before securing the new diffuser, ensure it aligns correctly and fits well with your E92 M3. Make any necessary adjustments or modifications as required.

  4. Secure the new diffuser: Attach the new diffuser securely in place, following the manufacturer’s instructions. Use appropriate hardware and ensure it is properly aligned.

  5. Test for stability: Make sure the diffuser is securely fastened and does not wobble or vibrate while driving.

Upgrading your BMW E92 M3’s rear diffuser is a fantastic way to enhance both its aesthetics and performance. With the right choice of diffuser and a precise installation, you can achieve improved aerodynamics, increased downforce, and an even more aggressive look for your beloved sports car. Whether you’re a dedicated track enthusiast or a daily driver, a well-chosen and properly installed rear diffuser can make a significant difference in the overall driving experience of your BMW E92 M3.

When it comes to enhancing the performance, aerodynamics, and aesthetics of your vehicle, few upgrades can match the impact of improving your rear diffuser and undertray. These components, often overlooked, play a crucial role in optimizing airflow, reducing drag, and increasing downforce. Whether you’re a car enthusiast or simply looking to enhance your daily driver, upgrading your rear diffuser and undertray can take your vehicle to the next level. In this article, we’ll explore the significance of these components and guide you through the process of upgrading them.

Understanding the Rear Diffuser

The rear diffuser is an essential part of your vehicle’s aerodynamics. Located on the underside of the rear bumper, it serves the following purposes:

  1. Managing airflow: A well-designed diffuser helps guide the airflow smoothly beneath the vehicle, reducing turbulence and drag. This, in turn, improves stability and handling, particularly at high speeds.

  2. Increasing downforce: By creating a low-pressure area underneath the car, a rear diffuser generates downforce. This added downward pressure enhances traction, especially during cornering, allowing your tires to grip the road better.

  3. Aesthetics: Rear diffusers often give your vehicle a sportier and more aggressive appearance. They are available in various styles and materials to suit your preferences.

The Role of the Undertray

The undertray, also known as the belly pan or skid plate, is located beneath the vehicle’s chassis. Its primary functions are as follows:

  1. Streamlining airflow: An undertray helps smoothen the airflow beneath the vehicle, reducing air resistance and turbulence. This improves fuel efficiency and reduces drag, ultimately enhancing overall performance.

  2. Protecting vital components: The undertray acts as a shield, safeguarding essential components, such as the engine, transmission, and suspension, from road debris and contaminants. This protection can extend the lifespan of these parts and reduce the risk of damage.

  3. Reducing noise and vibration: By creating a smoother undercarriage surface, the undertray can also help reduce road noise and vibration within the cabin, resulting in a quieter and more comfortable ride.

Upgrading Your Rear Diffuser and Undertray

Now that we understand the significance of these components, let’s explore the steps for upgrading your rear diffuser and undertray:

  1. Research and Selection:

    • Begin by researching the available options for rear diffusers and undertrays suitable for your specific vehicle make and model.
    • Consider factors such as material, design, and intended use, whether it’s for aesthetics, improved aerodynamics, or increased performance.
  2. Compatibility Check:

    • Ensure that the selected components are compatible with your vehicle’s chassis and existing bodywork.
    • Verify that the new diffuser and undertray will fit properly without any interference.
  3. Professional Installation:

    • While some enthusiasts may have the skills to install these components themselves, it is often recommended to have a professional mechanic handle the installation.
    • Professional installation ensures that the components are securely and correctly attached, minimizing the risk of issues down the road.
  4. Post-Upgrade Testing:

    • After installation, take your vehicle for a test drive to assess the impact of the upgrades.
    • Pay attention to changes in handling, stability, and overall performance.

3D Design E90 M3 Carbon Rear Diffuser IND

Upgrading your rear diffuser and undertray can transform your vehicle’s aerodynamics, performance, and appearance. These often underestimated components can offer significant benefits, from increased downforce and reduced drag to improved fuel efficiency and protection for vital parts. If you’re passionate about your vehicle or simply seeking to enhance your driving experience, consider upgrading your rear diffuser and undertray to elevate your ride to new heights. Remember to choose components that suit your goals and have them professionally installed for the best results.

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