





Performance Carbon Fiber Rear Diffuser for BMW F80 M3 F82 F83 M4 2014-2019 Quad Exhaust Rear Aero
Transform the rear profile of your BMW M3 or M4 with this carbon fiber rear diffuser, designed to deliver a more aggressive motorsport-inspired look while complementing the factory body lines. This upgrade enhances the visual depth of the rear bumper and pairs perfectly with carbon lips, spoilers, and side skirts to complete a cohesive performance styling package.
Fitment:
- 2014-2019 BMW F80 M3
- 2014-2019 BMW F82 M4 Coupe
- 2014-2019 BMW F83 M4 Convertible
Features:
- Lightweight and durable carbon fiber construction
- Aggressive performance-inspired rear styling
- High-gloss clear coat with UV-resistant finish
- Precision-molded for consistent fitment
- Designed to complement factory bumper lines
Specifications:
- Material: Carbon Fiber
- Finish: Gloss Carbon
- Position: Rear Bumper
- Installation: Automotive adhesive and hardware
- Condition: Brand New
- Warranty: 1 Year
Content:
- 1x Rear Diffuser
- Mounting hardware and adhesive
Shipping Information:
- Processing Time: 2-5 business days for warehouse stock items
- Made-to-Order: Please allow 2-4 weeks for shipping if product requires custom manufacturing
Installation Notes:
- Professional installation recommended
- Test fit before final installation
- Ensure mounting surfaces are clean and dry
Ships within 1-2 business days.
100% Genuine Parts
Fitment Guaranteed

Performance Carbon Fiber Rear Diffuser for BMW F80 M3 F82 F83 M4 2014-2019 Quad Exhaust Rear Aero
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.


