My engine is installed finally after a year of patience and buying parts, it started and everything seem's normal. Whe have one little problem that whe did not figure out yet. I have a thermostat for the throttle body that whe dont know where it goes. My engine is a 1994 325is. Whe checked everywhere on the engine. Where thinking that this was used on the original air box wich i dont have since i'm using a pflow. It's connected with both pipes and hagging in the engine bay. I would like to have someone's opinion that had this experience.

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