The BMW M2 G87 is a symbol of cutting-edge performance and striking design, and for owners looking to enhance their car’s capabilities further, upgrading specific components like side skirts becomes essential. Side skirts aren’t just for aesthetics—they play a critical role in improving aerodynamics, stability, and overall driving performance. But when it comes to choosing the right material, there’s an ongoing debate: Should you opt for Carbon Fiber or Aluminum Alloy side skirts?
In this blog, we’ll explore the differences between these two materials and explain why Carbon Fiber Side Skirts are the ultimate choice for drivers seeking to maximize both aerodynamics and long-term value.
What Do Side Skirts Do for Aerodynamics?
Before diving into the Carbon Fiber vs. Aluminum Alloy side skirts comparison, it’s worth understanding the essential role that side skirts play in a vehicle’s performance.
Reduce Airflow Under the Car: Side skirts act as barriers that limit the amount of air flowing beneath the car. By reducing the amount of fast-moving air, they help create a lower-pressure zone underneath, thus enhancing downforce.
Improve Stability: By managing the side airflow and preventing air turbulence underneath, side skirts help the car maintain stability at higher speeds.
Reduce Drag: Properly designed side skirts streamline airflow and reduce drag, which is especially important for performance vehicles like the BMW M2 G87.
Now that we know how side skirts contribute to performance, let’s dive into the comparison of Carbon Fiber and Aluminum Alloy.
Key Differences Between Carbon Fiber and Aluminum Alloy for Side Skirts
Below, we’ll analyze how Carbon Fiber side skirts outperform Aluminum Alloy side skirts, with a focus on key performance metrics:
1. Aerodynamic Efficiency
When it comes to aerodynamic performance, material properties like rigidity and shape retention become crucial.
Carbon Fiber Side Skirts:
Precise Shapes for Optimal Airflow: Carbon fiber is highly moldable, making it possible to design side skirts with complex and precise shapes to optimize airflow. By minimizing resistance and steering airflow more effectively, carbon fiber side skirts enhance the stability of your BMW M2 G87 at higher speeds.
Maximized Ground-Hugging Effect: Carbon fiber’s rigidity helps maintain the side skirts’ shape even under the intense aerodynamic forces at high speeds, ensuring continued performance without distortion.
Aluminum Alloy Side Skirts:
Limited Aerodynamic Design: Aluminum alloy lacks the flexibility for intricate and sleek aerodynamic designs. To maintain some level of durability, aluminum side skirts need to be thicker, leading to designs that may increase drag rather than reduce it.
Potential Warping: Under high stress or even minor impacts, aluminum side skirts are more prone to bending or losing their aerodynamic shape, compromising their performance.
Winner: Carbon Fiber, thanks to its superior design flexibility, rigidity, and ability to maintain optimal airflow under all conditions.
2. Weight Reduction
For performance vehicles like the BMW M2 G87, reducing weight is paramount. Lightweight components improve handling, stability, and responsiveness.
Carbon Fiber Side Skirts:
Ultra-Lightweight: Carbon fiber is renowned for being incredibly lightweight yet strong. By installing carbon fiber side skirts, you significantly reduce the car’s overall weight, allowing for better agility and faster acceleration.
Improved Power-to-Weight Ratio: The weight advantage directly contributes to a more responsive driving experience, especially during cornering and high-speed maneuvers.
Aluminum Alloy Side Skirts:
Heavier Alternative: Aluminum alloy, while lighter than steel, is significantly heavier than carbon fiber. The added weight can negatively impact the M2 G87’s handling and responsiveness.
Unsprung Weight Concerns: The extra weight of aluminum side skirts can also increase unsprung weight, which hinders suspension performance and slows responsiveness on uneven surfaces.
Winner: Carbon Fiber, with its unparalleled lightweight construction.
3. Strength and Durability
The BMW M2 G87’s side skirts are constantly exposed to road debris, impacts, and heavy aerodynamic stress. Durability is a key factor to consider.
Carbon Fiber Side Skirts:
Unmatched Strength-to-Weight Ratio: Carbon fiber is not only lightweight—it also offers exceptional strength compared to its weight. It’s highly resistant to splitting, cracking, or denting.
Resistant to Corrosion: Carbon fiber does not corrode, making it ideal for long-term use in varied weather conditions and road environments.
Aluminum Alloy Side Skirts:
Strong but Heavier: While aluminum is durable and more affordable than carbon fiber, it is less resistant to dents and deformation compared to carbon fiber.
Corrosion Risk: Over time, exposure to moisture and road salt can cause aluminum to corrode, degrading its structural integrity and appearance.
Winner: Carbon Fiber, for being stronger, corrosion-resistant, and more resistant to damage over time.
4. Style and Aesthetic Appeal
The right side skirts can elevate your BMW M2 G87’s sporty and aggressive appearance, turning heads on the street or the track.
Carbon Fiber Side Skirts:
Premium Aesthetic: Nothing beats the signature woven, glossy finish of carbon fiber. It exudes a high-performance, premium vibe that matches the BMW M2 G87’s bold design language.
Customizable Finish: Carbon fiber side skirts are highly customizable, with options for different weaves and finishes, allowing you to create a truly unique and eye-catching look.
Aluminum Alloy Side Skirts:
Basic Design: While aluminum can look sleek when polished, it lacks the luxurious texture and high-end appearance of carbon fiber.
Practical but Less Attractive: Aluminum side skirts are functional but add little to the overall aesthetic appeal of your BMW M2 G87.
Winner: Carbon Fiber, for its undeniable premium look that enhances the car’s aggressive styling.
Why BMW M2 G87 Owners Should Choose Carbon Fiber Side Skirts
While Aluminum Alloy offers a functional and relatively durable option for BMW M2 G87 side skirts, the aerodynamic and performance benefits of Carbon Fiber are unmatched. Not only do Carbon Fiber Side Skirts provide exceptional airflow management and weight reduction, but they also offer superior durability and an aesthetic upgrade that simply cannot be rivaled by metal alternatives.
Key Takeaways: Why Carbon Fiber Is the Superior Option
Enhanced Aerodynamics: Carbon fiber side skirts reduce drag and enhance ground-hugging stability better than aluminum alloy.
Lightweight Advantage: Carbon fiber’s feather-light profile results in better handling, acceleration, and agility.
Durability and Strength: Carbon fiber resists damage and prevents corrosion, unlike aluminum.
Luxury Aesthetic Appeal: The premium, sporty look of carbon fiber complements the aggressive design of the BMW M2 G87.
For BMW M2 G87 enthusiasts looking to enhance both aerodynamics and overall performance, Carbon Fiber Side Skirts are the superior choice. While Aluminum Alloy may be serviceable, its heavier weight, limited durability, and less aerodynamic designs are no match for the sheer performance, strength, and stunning aesthetics of carbon fiber. Invest in a set of carbon fiber side skirts to unlock the full potential of your BMW M2 G87, both on the road and at the track.