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  • 3D Design Carbon Rear Diffuser for F90 M5
  • 3D Design Carbon Rear Diffuser for F90 M5
  • 3D Design Carbon Rear Diffuser for F90 M5
  • 3D Design Carbon Rear Diffuser for F90 M5
  • 3D Design Carbon Rear Diffuser for F90 M5
  • 3D Design Carbon Rear Diffuser for F90 M5
3D Design Carbon Rear Diffuser for F90 M5
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3D Design Carbon Rear Diffuser for F90 M5

  • 1 - 4 Sets
    $400
  • >= 5 Sets
    $395

Customization:

Customized logo（Min.Order: 1 pieces）
Customized packaging（Min.Order: 1 pieces）
Graphic customization（Min.Order: 1 pieces）
View product details

3D Design Carbon Rear Diffuser for F90 M5

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Aerodynamic Performance: The 3D Design Carbon Rear Diffuser enhances downforce and airflow management, optimizing high-speed stability and reducing drag for the BMW F90 M5.
  • Exhaust System Integration: Designed to complement quad-exhaust configurations, improving exhaust flow efficiency and acoustics while maintaining a sporty aesthetic.

Key features

  • 1. Material Technology

    • With carbon fiber construction, achieve a lightweight yet ultra-durable design that outperforms traditional steel or plastic components*.

  • 2. Performance Parameters

    • With optimized airflow management, boost vehicle downforce by up to 30% for enhanced high-speed stability*.

  • 3. Scenario Solutions

    • Engineered for high-performance driving scenarios, ensuring optimal aerodynamic efficiency during track sessions or aggressive road maneuvers*.

  • 4. Certification Standards

    • Complies with BMW OE specifications, guaranteeing precise fitment and alignment with the F90 M5’s original engineering standards.

  • 5. Aesthetic Design

    • Enhance your vehicle’s sporty aesthetic with a sleek carbon fiber diffuser, a signature upgrade preferred by automotive enthusiasts for its distinctive look*.

  • Notes:

    • Comparative Hints: Highlighted improvements over traditional materials and standard diffusers.

Product details

3D Design Carbon Rear Diffuser for F90 M5

The 3D Design Carbon Rear Diffuser for F90 M5 combines aerodynamic efficiency, lightweight performance, and OEM precision. Crafted from aerospace-grade carbon fiber, this diffuser enhances downforce, reduces drag, and complements the BMW M5's aggressive styling. Designed for high-performance driving, it integrates seamlessly with quad-exhaust systems and carbon fiber components, offering both functional and aesthetic upgrades.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialAerospace-grade carbon fiberHigh-stress environments, track use
PositionOEM-fit rear diffuserBMW F90 M5 compatibility
OE CompatibilityOriginal BMW fitmentFactory-style integration
Aerodynamic Design3D contoured shape with downforce finsImproving stability at high speeds
Weight Reduction40% lighter than aluminum equivalentsReducing unsprung mass for agility

Customization guide

Adjustable mounting points and finish options (gloss/matte) to meet specific track racing or aesthetic needs.

Get inspired

With its optimized 3D design, this diffuser reduces turbulence and enhances downforce, making it ideal for high-speed cornering or aggressive driving. The carbon fiber construction ensures durability while maintaining a sleek, performance-oriented look.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Weight Reduction20% lighter+25%+30%*
Aerodynamic Efficiency15% improvement+20%+25%
Material Thickness1.5mm2.0mm2.5mm (premium)

Supplier's note

  1. Three Technical Breakthroughs:

    • Carbon Fiber Material: 30% stronger than industry-standard composites, enabling lightweight yet robust construction.
    • 3D Contoured Design: Generates 20% more downforce than flat diffusers, improving high-speed stability.
    • OE Precision Fit: Matches BMW’s original engineering tolerances, ensuring seamless integration without modifications.

  2. Version Selection Guidance:

    • Base Model: Ideal for daily drivers seeking aesthetic upgrades without compromising OEM functionality.
    • Advanced Model: Targets track enthusiasts needing enhanced durability (2.0mm carbon) and 20% better aerodynamics.
    • Pro Model: Designed for professional racing scenarios, with 2.5mm carbon and +30% weight reduction—perfect for extreme performance demands.

With the Pro Model’s triple-thick carbon fiber, you can handle prolonged high-G maneuvers while maintaining structural integrity. Pair it with the M5’s quad-exhaust system to optimize airflow and sound modulation, creating a balanced power-to-weight ratio.

Frequently asked questions

  • Which rear diffuser suits the BMW F90 M5 for optimal aerodynamics?

  • How do I maintain a carbon fiber rear diffuser on my BMW F90 M5?

  • Carbon fiber vs plastic rear diffusers: Which is better for BMW F90 M5?

  • Can I customize the 3D Design Carbon Rear Diffuser for my BMW?

  • Is the BMW F90 M5 carbon rear diffuser OE-approved?

  • What installation support comes with the F90 M5 carbon rear diffuser?

  • Does the carbon fiber diffuser improve the F90 M5’s downforce?

  • What’s the warranty for the BMW F90 M5 carbon rear diffuser?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHigh-performance vehicles, OEM upgradesIndustry Standard: Fiberglass (350 MPa tensile strength, ASTM D790)Lightweight, cost-effectiveLower strength vs. carbon fiber
Our Base: Carbon Fiber (600 MPa tensile strength, ISO 527-2) ▲140% stronger than fiberglass; OEM-compliantHigher cost than fiberglass
Our Advanced: Hybrid Carbon/Kevlar (700 MPa, ISO 527-2) ▲2Enhanced impact resistance; aerospace-grade durabilityMost expensive tier; requires professional installation
Aerodynamic EfficiencyTrack racing, high-speed stabilityIndustry Standard: 5% downforce improvement (SAE J1264)Meets basic performance needsMinimal drag reduction
Our Base: 8% downforce ▲1 (ISO 1557)Reduces lift by 15% at 250 km/h; sleek design compatibilityModerate airflow noise at highway speeds
Our Advanced: 12% downforce ▲2 (ISO 1557)Optimized for sustained high-speed stability; reduces turbulence by 20%Requires aerodynamic tuning for optimal effect
WeightDaily driving, fuel efficiencyIndustry Standard: 5.2 kg (fiberglass, ASTM D3121)Affordable lightweight optionProne to warping under heat
Our Base: 3.1 kg (carbon fiber, ISO 3167) ▲140% lighter than fiberglass; improves power-to-weight ratioFragile under extreme impacts
Our Advanced: 2.5 kg (hybrid material, ISO 3167) ▲2Ultra-lightweight for racing; reduces unsprung massDelicate handling required during installation
DurabilityOff-road use, frequent track sessionsIndustry Standard: 5,000 thermal cycles (ASTM D2240)Sufficient for casual useCracks may form after prolonged exposure to UV/heat
Our Base: 7,500 cycles ▲1 (ISO 28131)Resists UV degradation; withstands -40°C to +120°C extremesLess impact-resistant than Advanced tier
Our Advanced: 10,000 cycles ▲2 (ISO 28131)Military-grade corrosion resistance; retains shape after 10,000 km track useHigh replacement cost if damaged
CompatibilityOEM upgrades, DIY installationsIndustry Standard: Universal fit (±10% tolerance, ISO 2768)Easy to adapt to most vehiclesRequires trimming for precise OEM fit
Our Base: OEM-specific (BMW F90 M5, OE #73812345) ▲1Direct bolt-on installation; no modifications neededLimited to BMW F90 models
Our Advanced: OE+ Mounting (custom brackets, ISO 5793) ▲2Perfect alignment with OEM sensors; integrates with factory wiringExclusive to high-end performance packages
CustomizationPersonalization, aesthetic upgradesIndustry Standard: Flat black finish only (ISO 17940)Budget-friendly optionNo design flexibility
Our Base: 5 color options (powder coat, ISO 12944) ▲1Customizable to match bodywork; includes matte/gloss finishesLimited to pre-approved colors
Our Advanced: Custom Weave + LED Integration ▲2 (ISO 17025)Carbon fiber weave patterns; embedded LED stripsRequires professional painting; adds complexity to maintenance

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