
F8X M3/M4 LED K Style Diffuser (Used, Scratched)
LED K Style Rear Diffuser for BMW F8X M3/M4
Add an aggressive, performance-inspired look to your BMW F8X with the LED K Style Rear Diffuser. Featuring an integrated LED light bar and bold, sculpted fins, this diffuser transforms your rear end with a race-ready aesthetic while maintaining OEM-style fitment. Constructed from durable materials with a high-gloss carbon fiber finish, it’s designed to handle spirited driving while enhancing both form and function.
This unit is used and in 6.5/10 condition, with visible scratches on the underside from previous road scraping. The diffuser remains fully functional, with no cracks or structural damage, and the LED lighting is intact. Offered at a heavily discounted final sale price.
Product Features
- Aggressive K Style design with integrated LED brake/fog light
- Real carbon fiber finish for a premium motorsport look
- Precision-engineered for direct fitment on the F8X platform
- Fully functional LED lighting pre-installed (wiring may require minor setup)
- Used condition – 6.5/10, cosmetic scratches on underside from scraping
- Final Sale – No Returns or Exchanges
Compatibility
- BMW F80 M3 (2015–2018)
- BMW F82 M4 Coupe (2015–2020)
- BMW F83 M4 Convertible (2015–2020)
Installation
Professional installation is strongly recommended to ensure proper wiring, alignment, and secure fitment.
Price & Condition
- Price: $175 (Regularly $699)
- Condition: Used / 6.5⁄10 / Scratched Underside / Functional LEDs / Final Sale
Every CenCal order is eligible for Package Protection, powered by Redo. It is selected by default at checkout and covers your shipment against loss, theft, and damage in transit.
What it covers:
- Lost packages confirmed by the carrier
- Stolen packages marked as delivered but not received
- Items that arrive broken or damaged in transit
Resolution: Approved claims receive a full replacement at no cost. For damage claims, you keep the damaged item and receive a brand new replacement.
Claims must be filed within 7 days of the delivery date. See the full policy or email support@cencalmotorsport.com if you need help.
If protection is removed at checkout, CenCal cannot file a claim or accept responsibility for shipping issues.

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