BMW 3 Series F30/F31 Rear Diffuser – M Performance Style, Single Left Exhaust, Gloss Black (2012–2019)

Upgrade your BMW 3 Series with this M Performance style rear diffuser, finished in deep gloss black for a sharper, more aggressive rear end. Built as a BMW rear diffuser specifically for F30 Saloon and F31 Touring models, it features a single left-exit exhaust cutout, making it the correct fitment for single left exhaust setups. It bolts straight onto your factory mounting points for a clean, easy upgrade.

Why This Rear Diffuser Fits Your BMW

This diffuser is engineered specifically for F30/F31 M Sport bumpers (2012–2019), so it lines up with the factory mounting points without modification. The single left exhaust cutout is designed to match single left-exit exhaust setups exactly — other exhaust variants are available if yours differs. The multi-fin design is shaped to improve rear airflow and stability at higher speeds, giving your BMW a more purposeful stance front to back.

Details

• Fitment: BMW 3 Series F30 (Saloon) / F31 (Touring), M Sport bumper, 2012–2019
• Exhaust: Single left-exit exhaust cutout
• Finish: Gloss black
• Material: ABS plastic — lightweight and weather-resistant

Double-check your bumper style and exhaust configuration before ordering. Also available as a front splitter and rear diffuser kit for a complete F30/F31 look. Browse the full BMW 3 Series parts range to complete your build.