

Elevate the rear profile of your BMW G80 M3 or G82 M4 with the Carbon Fiber Rear Bumper Diffuser featuring an integrated LED Rainlight. Designed for performance enthusiasts and style-conscious drivers alike, this diffuser not only adds an aggressive touch but also enhances aerodynamics for improved driving dynamics.
Key Features:
- Premium Carbon Fiber Construction: Crafted from high-quality carbon fiber, this diffuser offers a lightweight yet durable solution for enhancing your BMW's rear-end aesthetics.
- Integrated LED Rainlight: Equipped with a built-in LED rainlight, adding a race-inspired touch that improves visibility and safety in wet conditions.
- Aggressive Design: The bold, sculpted design complements the muscular rear bumper of the G80 M3 and G82 M4, giving your car a more dynamic, race-inspired look.
- Aerodynamic Benefits: The diffuser improves airflow under the car, reducing drag and increasing rear-end stability at higher speeds.
- Perfect Fitment: Specifically engineered for the BMW G80 M3 and G82 M4, ensuring a precise, OEM-like fit without modifications.
Specifications:
- Material: High-quality carbon fiber
- Finish: Wet carbon fiber (high gloss)
- LED: Integrated LED rainlight for added visibility
- Installation: Direct bolt-on fitment; no modifications required
Package Includes:
- 1 x Carbon Fiber Rear Bumper Diffuser
- Integrated LED rainlight with wiring
- **BMW G80/G81/G82/G83 Carbon Fiber OEM Rear Corners not included unless selected**
- Mounting hardware
- Installation instructions
Fitment:
- BMW G80 M3 (2020–2023)
- BMW G82 M4 (2020–2023)
Shipping Information for Performance Parts
We proudly ship parts worldwide! All orders are processed Monday through Friday. Please allow 1-3 business days for order processing before shipment. We do not ship on weekends or public holidays.
Estimated Shipping Times: | |
U.S. & Canada: | 7-10 business days |
International: | 10-30 business days (varies by location and customs processing) |
Larger or Oversized Items: | May take longer due to handling, packaging, and freight requirements |
Shipping times may be affected by product availability, high demand, holidays, or unforeseen circumstances. For order updates, contact us at info@eguysperformance.com or DM us on Instagram @eguysperformance with your order number.
Shipping Rates: | Calculated at checkout based on location and order weight |
Customs & Import Taxes: | International orders may incur fees, duties, and taxes determined by local customs offices. These charges are the buyer’s responsibility. We are not liable for customs delays. |
What Does the E Guys Performance Lifetime Warranty Cover?
Our Lifetime Warranty is designed to give you peace of mind. Here’s what’s included:
Available to the Original Purchaser: | This warranty applies exclusively to the original purchaser of the product. Coverage is valid for purchases made directly from E Guys Performance or through an authorized dealer. |
Manufacturer Defects: | We cover defects in materials or workmanship. If a product fails due to a manufacturing issue, we will repair or replace it at no cost. |
Shipping Costs for Warranty Claims: | We cover shipping costs for replacement parts on approved warranty claims, so you won’t incur additional fees. |
What Isn’t Covered?
Improper Use or Installation: | Damage from incorrect installation, misuse, accidents, or normal wear and tear is not covered. |
Modifications: | Any modifications made to the product will void the warranty. |
Intended Use: | Products must be used as intended for the warranty to remain valid. |