Avantage VAG - Automotive Specialists - Mosselman MSL Oil Thermostat Upgrade for the BMW N55 engine. A highly recommended upgrade for the N55 engine. Instead of opening at 105°C like OEM, the
Installed Mosselman oil thermostat - BMW M3 and BMW M4 Forum
How to install the Mosselman oil thermostat into your BMW S55 M2, M3 or M4! - YouTube