For X 16 XEL with secondary air system: Remove throttle body - see operation "Throttle Body, Remove and Install (X 16 XEL with Secondary Air System)". Remove throttle valve potentiometer (2) from throttle valve connection (1).
 Install, Connect Attach throttle valve potentiometer to throttle body - insert fastening bolts with screw locking compound (red).
The installation time including the torque check must be max. 5 min. For X 16 XEL with secondary air system: Install throttle body - see operation "Throttle Body, Remove and Install (X 16 XEL with Secondary Air System)". | 
Remove, Disconnect 