Core Points - BMW celebrates the 50th anniversary of the 3 Series by launching a special edition model: M340i xDrive 50 Jahre Edition [1] - The special edition features exclusive paint, trim, and wheels, with several modern paint options for the first time [6] - The M340i 50 Jahre Edition is priced at $76,375 (approximately 543,000 RMB) and will have limited production [9] Group 1 - The M340i 50 Jahre Edition allows owners to choose from five classic colors inspired by the E21 to E90 eras [6] - Interior options include Black, Ivory, or Tartufo leather, along with carbon fiber trim and "3 Series 50 Jahre Edition" branding [8] - The model includes standard Extended Merino Leather, adaptive LED headlights, and a Shadowline Package [8] Group 2 - The powertrain remains unchanged, featuring a turbocharged 3.0L inline-six mild hybrid system with a maximum output of approximately 288.8 kW and 539.5 Nm [8] - The vehicle can accelerate from 0 to 96 km/h in 4.1 seconds, with power delivered through an eight-speed automatic transmission to all four wheels [8] - Additional features include M Performance carbon fiber rear spoiler, 19-inch M double-spoke wheels, and a special "50 Jahre Edition" badge on the rear [8]