For F80 M3, F30 340i (B58), F31 340i and F34 340i only - this CT Design swan neck wing bolts straight to OEM mounting points. No drilling. No trimming. No 'fitment advice' required.
Chassis-specific: Designed for F80 (2014-2019) and F30/F31/F34 340i (2015-2019); not for 320i (N13/N20) or 330i (B48 pre-2017)
B58-tuned geometry: Mounting angle and height calibrated for B58 airflow - works with stock diffuser and rear valance
Fully adjustable: Three-position swan neck base + wing pitch adjustment via slotted endplates - set for fast road compliance or track day downforce
Pre-preg carbon: Gloss-finish 2x2 twill, 2.5mm thick, with CNC-machined aluminium mounts - lighter and stiffer than wet-lay alternatives
Search terms covered: F80 swan neck wing, F30 340i carbon spoiler, B58 rear wing, stage 2 340i upgrade, track day M3 wing, show car F80 spoiler, decat-compatible rear wing
