11 37 ... Overview of Valvetronic (N73)

Fig 1: Identifying Valvetronic Components Location

Courtesy of BMW OF NORTH AMERICA, INC.

1. Eccentric shaft sensor. See 11 37 035 Removing and Installing/Replacing Left Eccentric Shaft Sensor (N73) , 11 37 040 Removing and Installing/Replacing Right Eccentric Shaft Sensor (N73) 
2. Intermediate lever springs. See 11 37 012 Removing and Installing/Replacing Left Intermediate Levers (N73) , 11 37 014 Removing and Installing/Replacing Right Intermediate Levers (N73) 
3. Eccentric shaft gear
4. Eccentric shaft. See 11 37 006 Removing and Installing/Replacing Left Eccentric Shaft (N73) , 11 37 008 Removing and Installing/Replacing Right Eccentric Shaft (N73) 
5. Intermediate lever. See 11 37 012 Removing and Installing/Replacing Left Intermediate Levers (N73) , 11 37 014 Removing and Installing/Replacing Right Intermediate Levers (N73) 
6. Eccentric shaft servomotor. See 11 37 022 Removing and Installing/Replacing Servomotor For Left And Right Eccentric Shaft (N73) 
7. Valvetronic control unit. See 11 37 700 Replacing Control Unit (Valvetronic)