The BMW helmet with the part number 76315A75182 is the System 7 Carbon EVO in silver, size 58/59. It is a premium modular (flip-up) helmet designed for touring, with a highly compact and lightweight design. 
Key features
Modular design: The chin section can be fully folded up or removed entirely, allowing it to function as a jet helmet for increased airflow in warmer weather.
Carbon shell: The full carbon fiber-reinforced plastic shell provides a very lightweight structure with outstanding impact protection.
MIPS system: The Multi-directional Impact Protection System (MIPS) is integrated to reduce the rotational movement of the head during an impact, decreasing the risk of brain injury.
Advanced aerodynamics: The helmet is aerodynamically and aeroacoustically optimized for stability and quietness, even at high speeds.
Dual visor system: It includes a double-glazed visor with an anti-fog inner lens and a scratch-resistant outer lens. It also has a continuously adjustable, integrated sun visor.
Comfort and ventilation: The interior features high-quality materials like Coolmax and Alcantara with effective ventilation for the head and visor. The padding is removable and washable.