Valvetronic changes (reduces) the opening of inlet valves and allows the inlet valves to perform as an individual throttle of each cylinder.


What Is BMW’s Innovative Throttle System (Valvetronic)?

Valvetronic is one of those terms often thrown around by BMW in their press releases, but seldom is being explained to the masses. We’ve all got accustomed to it without fully understanding how it works and what it really does for our cars and ultimately, for us.The folks at Engineering Explained took the time to explain the Valvetronic technology on their Youtube channel. Here is a nutshell what the Valvetronic system is and how it works. Valvetronic is a variable valve timing system to offer continuous and precise control over variable intake valve lift, from 0.3 to 9.7 mm (0.18mm to 9.9mm, Valvetronic II and III), and duration.It typically works…

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