45+ Bmw M3 Vanos Pictures. Vanos is a variable valve timing system used by bmw on various automotive petrol engines since 1992. It's a single vanos, meaning only.
Removal of the vanos unit requires only a few hours of time, a few replacement parts and a few specific tools.
I have not gone that far on the s65 yet. The name is an abbreviation of the german words for variable camshaft timing: These vanos units are completely different than anything bmw has used before. Bmw e46 m3 s54 3.2l vanos.