Upgrade the rear end of your BMW 4 Series F32, F33 or F36 M Sport with this carbon fiber rear diffuser. Designed for 2014–2019 M Sport bumper models, this replacement-style rear bumper diffuser gives the car a sharper lower rear profile while adding a clean gloss carbon fiber finish.

This BMW F32 F33 F36 M Sport carbon fiber rear diffuser is made from quality 3X3 weave carbon fiber and finished with a double-layer UV-protected clear coat for a smooth, glossy surface. It is designed to replace the factory plastic diffuser and is available for different exhaust layouts. Please choose the correct option according to your rear bumper and exhaust setup.

As a factory-direct carbon fiber manufacturer, AHACARBON develops exterior carbon fiber upgrades with 3D design, CNC moulding and real-car test fitting. You can also explore more BMW 4 Series carbon fiber parts for matching front lips, spoilers, side skirts and other exterior upgrades.

Fitment for BMW 4 Series F32 F33 F36 M Sport

• Model: BMW 4 Series F32 Coupe, F33 Convertible and F36 Gran Coupe M Sport
• Year: 2014, 2015, 2016, 2017, 2018, 2019
• Engine trims: 420i, 428i, 430i, 435i, 440i, 420d, 425d, 430d, 435d
• Important: Not for BMW F32/F33/F36 Base bumper models

Exhaust Layout Options

This rear diffuser is available for different exhaust outlet layouts. Please confirm whether your vehicle has the dual outlet or single outlet exhaust setup before ordering. If you are unsure, send us your vehicle year, rear bumper photos and exhaust layout photos for fitment confirmation.

Key Features

• Material: Quality 3X3 weave carbon fiber
• Style: Replacement-style rear bumper diffuser for a sportier M Performance-inspired rear look
• Fitment: Designed for BMW F32, F33 and F36 M Sport rear bumper models
• Finish: Double-layer UV-protected clear coat with a smooth gloss surface
• Development: 3D design, CNC moulding and real-car test fitting for better fitment accuracy
• Installation: Replacement installation with self-tapping screws included. Professional installation is recommended.
• Packing: Multi-layer protected export carton for safer international shipping

Installation Note

This carbon fiber rear diffuser replaces the original factory plastic diffuser. Basic installation hardware is included, but professional installation is recommended for best alignment and secure fitment. Please test fit the diffuser before final installation.

Important Notices:

Pls check the above fitment information or send us car pictures to verify before order, thanks a lot!