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  • 5 Series Carbon Fiber Rear Diffuser Lip Spoiler for BMW G30 530i 540i 2017 2018 Rear Diffuser
  • 5 Series Carbon Fiber Rear Diffuser Lip Spoiler for BMW G30 530i 540i 2017 2018 Rear Diffuser
  • 5 Series Carbon Fiber Rear Diffuser Lip Spoiler for BMW G30 530i 540i 2017 2018 Rear Diffuser
  • 5 Series Carbon Fiber Rear Diffuser Lip Spoiler for BMW G30 530i 540i 2017 2018 Rear Diffuser
  • 5 Series Carbon Fiber Rear Diffuser Lip Spoiler for BMW G30 530i 540i 2017 2018 Rear Diffuser
  • 5 Series Carbon Fiber Rear Diffuser Lip Spoiler for BMW G30 530i 540i 2017 2018 Rear Diffuser
5 Series Carbon Fiber Rear Diffuser Lip Spoiler for BMW G30 530i 540i 2017 2018 Rear Diffuser
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5 Series Carbon Fiber Rear Diffuser Lip Spoiler for BMW G30 530i 540i 2017 2018 Rear Diffuser

  • 1 - 1 Pieces
    $198
  • 2 - 4 Pieces
    $180
  • 5 - 9 Pieces
    $162
  • >= 10 Pieces
    $145

Customization:

Customized logo（Min.Order: 100 pieces）
Customized packaging（Min.Order: 20 pieces）
Graphic customization（Min.Order: 20 pieces）
View product details

5 Series Carbon Fiber Rear Diffuser Lip Spoiler for BMW G30 530i 540i 2017 2018 Rear Diffuser

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Aerodynamic Performance Enhancement: Designed to reduce drag and increase downforce, improving vehicle stability and handling at high speeds while cooling brakes via optimized airflow.
  • Aesthetic Upgrade: Modern, aggressive carbon fiber spoiler adds a sporty and premium appearance to BMW G30 models (530i/540i, 2017–2018), enhancing both style and functionality.

Key features

  • 1. Material Technology

    • With carbon fiber material, achieve a lightweight yet durable upgrade compared to traditional plastic or metal bumpers*. The aerospace-grade carbon fiber ensures both strength and reduced weight, enhancing vehicle performance without compromising structural integrity.

  • 2. Interactive Design

    • With a modular mounting system, ensure a seamless, precise fit tailored to BMW G30 models*. The design includes pre-drilled brackets and adjustable hardware, simplifying installation compared to universal aftermarket spoilers*.

  • 3. Performance Parameters

    • With optimized aerodynamic design, reduce drag by up to 20% and boost downforce for enhanced high-speed stability*. The angular shape improves airflow management, cooling brakes and stabilizing the vehicle at elevated speeds*.

  • 4. Scenario Solutions

    • With aggressive styling and functional aerodynamics, enhance both sporty appearance and performance in high-speed or track driving scenarios*. The spoiler’s dual-purpose design caters to aesthetics and practicality, outperforming standard bumpers in dynamic driving conditions*.

  • 5. Certification Standards

    • With RoHS and EPR Germany/France packaging certifications, meet stringent environmental and safety regulations in Europe*. The product adheres to eco-friendly manufacturing and recycling standards, surpassing basic compliance requirements*.

Product details

5 Series Carbon Fiber Rear Diffuser Lip Spoiler for BMW G30 530i 540i 2017 2018 Rear Diffuser

The 5 Series Carbon Fiber Rear Diffuser Lip Spoiler for BMW G30 530i/540i (2017-2018) combines aerodynamic performance, lightweight durability, and sleek aesthetics. Crafted from premium carbon fiber, this spoiler enhances vehicle stability, reduces drag, and adds a sporty edge to your BMW.

Technical specifications

FeatureSpecificationBenefit
MaterialCarbon fiberLightweight yet ultra-durable for high-performance use
CertificationsRoHS, EPR_Germany_Packing, EPR_France_PackingEnsures compliance with EU environmental and safety standards
CompatibilityBMW G30 530i/540i (2017-2018)Precision-engineered fit for specified models
DesignTwo-part construction (spoiler + bracket)Easy installation and seamless integration with the rear bumper
Aerodynamic ProfileAngular, low-drag shapeReduces turbulence and improves high-speed stability

Customization guide

Adjustable mounting brackets allow for precise alignment with different bumper contours. Choose from gloss black, matte black, or carbon weave finishes to match your vehicle’s aesthetic.

Get inspired

With carbon fiber’s lightweight strength, you can enhance your BMW’s performance without compromising style. The spoiler’s aggressive design and aerodynamic benefits make it ideal for enthusiasts seeking both speed and sophistication.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Material Thickness2.5mm3.0mm (+20%)3.5mm (+40%)
Downforce Enhancement15% improvement22.5% (+15% vs Base)30% (+30% vs Base)*
Finish OptionsMatte blackGloss black/carbonPremium carbon weave

Supplier's note

  1. Three Technical Breakthroughs:

    • Carbon Fiber Material: 50% lighter than fiberglass, enabling superior strength-to-weight ratios.
    • Enhanced Downforce: The Pro Model’s 30% boost in downforce stability outperforms industry benchmarks by 25%.
    • Customizable Finishes: The Pro’s premium carbon weave finish blends high-end aesthetics with functional durability.

  2. Optimal Version Selection:

    • Base Model: Ideal for drivers prioritizing budget-friendly styling and basic aerodynamic benefits.
    • Advanced Model: Perfect for enthusiasts seeking a balance of performance (22.5% downforce) and versatile finish options.
    • Pro Model: Tailored for track-focused users requiring maximum downforce (30%) and a premium appearance. With its triple-certified materials, the Pro ensures safety and compliance even under extreme conditions.

*Compared to traditional fiberglass spoilers.

Frequently asked questions

  • Which carbon fiber rear diffuser fits BMW G30 530i/540i models for 2017-2018?

  • How does a carbon fiber rear bumper spoiler improve BMW performance?

  • What materials are used in the BMW G30 rear diffuser lip spoiler?

  • Can I customize the BMW rear diffuser’s color or finish?

  • Is the BMW carbon fiber rear diffuser EPR-certified for Europe?

  • How do I clean and maintain a carbon fiber BMW rear bumper spoiler?

  • Does the BMW G30 rear diffuser come with installation hardware?

  • What makes this carbon fiber spoiler better than plastic alternatives?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Carbon Fiber Spoiler (Advanced)High-performance tuning, luxury vehicles- Material: Carbon Fiber (ASTM D790 flexural strength 500 MPa▲▲)
- Weight: 2.5 kg (ISO 3863-1, ▲▲ lighter than fiberglass)
- Aerodynamic Efficiency: 15% downforce (SAE J1263)		▲▲ Lightweight, ultra-stiff, reduces drag
▲▲ OEM-grade fitment with BMW G30
EPR-compliant recycling (France/Germany)		▲▲ Higher cost ▲ Requires professional installation ▲ Susceptible to micro-cracks
Fiberglass Spoiler (Industry Standard)Daily drivers, budget tuning- Material: Fiberglass (ASTM D790 200 MPa)
- Weight: 5 kg (ISO 3863-1)
- Aerodynamic Efficiency: 5% downforce (SAE J1263)		▲ Cost-effective ▲ Easy to repair ▲ UV-resistant coating▲ Heavier than carbon ▲ Less durable over time ▲ Limited downforce
Plastic Spoiler (Budget Tier)Economy cars, temporary upgrades- Material: HDPE (ASTM D790 30 MPa)
- Weight: 3 kg (ISO 3863-1)
- Aerodynamic Efficiency: 2% downforce (SAE J1263)		▲ Cheapest option ▲ Lightweight ▲ Resists corrosion▲ Brittle at low temps ▲ Minimal performance gain ▲ Prone to UV degradation
Alloy Spoiler (Heavy-Duty)Off-road vehicles, commercial trucks- Material: Aluminum Alloy (ASTM B209 250 MPa)
- Weight: 4 kg (ISO 3863-1)
- Corrosion Resistance: Passivated coating (ASTM B117)		▲ Corrosion-resistant ▲ Rigid structure ▲ Compatible with rough terrain▲ Heavier than carbon ▲ Higher cost than fiberglass ▲ Bulky design
OEM Spoiler (Factory Fit)Warranty-maintained vehicles- Material: OEM-specific (e.g., plastic/fiberglass)
- Weight: 4–6 kg (ISO 3863-1)
- Compatibility: Direct bolt-on (BMW G30)		▲ OEM aesthetics ▲ Warranty-compliant ▲ Zero modification needed▲ Limited customization ▲ Higher price than aftermarket ▲ Less aerodynamic innovation
Hybrid Carbon-Fiberglass SpoilerBalanced performance/cost- Material: Hybrid (Carbon Fiber + Fiberglass)
- Weight: 3.5 kg (ISO 3863-1)
- Aerodynamic Efficiency: 12% downforce (SAE J1263)		▲ Cost-effective performance ▲ Moderate weight savings ▲ Enhanced durability▲ Compromise in material properties ▲ Complex manufacturing ▲ Installation complexity

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