Inside the engine

Valvetronic

BMW’s variable intake-valve lift system for controlling engine airflow.

A little deeper

It changes how far intake valves open, helping reduce throttling losses. VANOS adjusts timing instead; equipped engines can use both systems together.

Also known as: variable valve lift · valve lift

Connect the ideas

VANOSCamshaftECU / DME

Keep learning

Inline-six, V8 & engine codesThe four-stroke engine

See it in a real car

F80 2015

M3

431 PS
Sources