The flagship sports sedan of the legendary M series, featuring a classic rear-wheel-drive layout and naturally aspirated driving dynamics. Engine: 3.0-liter inline-six biturbo S58. Power: 510 hp, torque: 650 Nm. 0–100 km/h in 3.9 seconds. 8-speed M Steptronic automatic transmission with paddle shifters, rear-wheel drive. Active M differential with electronic control, adaptive M suspension with three stiffness modes, and optional carbon-ceramic brakes. Driving modes: Road, Sport, and Track, with individually configurable parameters. The exterior features an aggressive design with vertical radiator grille bars, widened wheel arches, a carbon fiber roof, 19‑inch front and 20‑inch rear alloy wheels, and four exhaust tips. The interior is upholstered in Merino leather with M contrast stitching. It includes a 12.3‑inch digital instrument cluster with M‑specific graphics, a 14.9‑inch iDrive 8 infotainment display, and heated M sport seats with memory function. The M steering wheel features programmable M1/M2 buttons. Audio system: Harman Kardon. Additional features include three‑zone climate control, a head‑up display, and a surround‑view camera system.