West Coast Euros Diffuser CTM Style 3rd Brake Light Carbon Fiber Diffuser - F90 M5
West Coast Euros

CTM Style 3rd Brake Light Carbon Fiber Diffuser - F90 M5

$949.00
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Transform the rear-end presence of your F90 M5 with our CTM Style Carbon Fiber Diffuser, featuring an aggressive shark fin aero design and an integrated LED 3rd brake light for both performance styling and enhanced visibility.

This diffuser is a direct replacement for the OEM rear diffuser—not an add-on cover—ensuring a clean, factory-quality fit. The included dual vertical LED brake lights provide a modern motorsport-inspired appearance while improving safety by increasing rear visibility during braking.

Constructed from real 3K twill-weave carbon fiber, this diffuser is ultra-lightweight yet durable, finished with a high-gloss UV-resistant clear coat to prevent fading, yellowing, or discoloration over time.

Key Features

  • CTM Shark Fin performance design for an aggressive, race-ready look

  • Integrated LED 3rd brake light for enhanced style and visibility

  • Direct OEM replacement — no trimming or major modification required

  • Includes corner extension pieces for a complete, cohesive rear-end upgrade

  • Made from 100% real 3K twill carbon fiber, not hydro-dipped or wrapped

  • High-gloss UV-resistant clearcoat to prevent fading & weather damage

  • Significantly enhances the sporty appearance of your F90 M5

Installation Notes

  • Direct clip-on replacement for the factory diffuser

  • Wiring is required to connect the LED brake light

  • Rear bumper removal is recommended for best fitment

  • Some drilling may be required

  • Professional installation strongly recommended
Quality Content

We try to keep all the products that are listed our site in stock, with short lead times, but with so many product offerings, it's not always possible to do so.

Products are kept in stock with our vendors, distributors, or partnered warehouses.

Please note: some products are custom made. For these products, check product description for lead times.

To check item stock or lead time please contact our support staff.

Orders are processed within 1-5 business days after order placement. Business days are Monday-Friday.

Most orders are delivered within 7-10 business days of order shipment.

Please note: some products are made to order or have longer lead / shipping times. Review product description for this information.

If product is out of stock or has longer lead time we will notify you.

To review fitment, check the fitment tab on the product description.

If you're still unsure, please contact our support staff.