BMW F30 / F31 / F35 Real Carbon Fiber Diffuser for M-Sport Rear Bumper (1-Piece) | Fits 2012+ 320i 325i 328i and 335i Models with Dual Exhaust Cutout

Upgrade the rear end of your BMW F30 with a real carbon fiber diffuser designed exclusively for M-Sport bumpers. This 1-piece diffuser provides a perfect OEM+ fit for 2012+ BMW F30 3 Series models equipped with dual exhaust cutouts, including the 320i, 325i, 328i, and 335i.

Key Features

• Real Carbon Fiber Construction – Crafted from genuine carbon fiber with a lightweight, high-strength build and a UV-protected gloss finish to prevent fading or cracking.
• 1-Piece Design – Precision molded to fit seamlessly into the M-Sport rear bumper, flowing with the factory body lines while adding an aggressive, performance-inspired aesthetic.
• Dual Exhaust Compatibility – Designed specifically for the left-side dual tip exhaust layout found on F30 320i, 325i, 328i, and 335i models.
• Hardware Included – Comes complete with pre-drilled mounting holes, supplied screws, and high-strength automotive-grade adhesive tape for secure and hassle-free installation.
• Easy Installation – Pre-drilled holes align with the bumper for a direct fit, while adhesive tape ensures added stability and vibration resistance. Minimal modification required.

FITMENT:

• BMW F30 Sedan, F31 Touring and F35 Sedan Long-Wheelbase (2012–2018) with M-Sport Rear Bumper: 320i, 325i, 328i, 335i (dual exhaust cutout)

The M-Sport F30 bumper features clean factory lines and a sporty dual-tip exhaust layout. This carbon fiber diffuser is engineered to hug the lower bumper arch, extending the rear profile with an aggressive, race-inspired look while still maintaining OEM-like flow. The gloss carbon finish provides the perfect accent to other carbon fiber upgrades like mirror caps, spoilers, or front lips.

Complete the look: Pair this diffuser with our carbon fiber trunk spoiler and front lip for a full OEM+ exterior upgrade package.

IMPORTANT NOTE: This rear diffuser is constructed from genuine carbon fiber materials and require precise handmade molding. This process ensures superior quality and improved fitment accuracy compared to mass-produced alternatives. Unlike dropshipped items, each set is individually molded, manufactured, quality control checked, and shipped directly by BAVMODS®. Because of this careful production process, please allow approximately 2 weeks from order placement to delivery.

Please refer to the “Fitment” section in the product description for compatibility details.