As a BMW tech, on any given day, probably close to half of my work is recalls. They seem to have exponentially exploded ever since the Toyota floor mat thing. It’s industry wide.
The ceretec bottle does suggest that mixture ratio. However, I am of the school of thought that as little as necessary is the better answer. If zero ceretec is ok, it can’t be bad to only add 1/3 bottle if that takes care of the tick.
That looks like it would be the recirculation flap. When it opens and closes, it causes air from outside or inside the car to be “sucked” into the blower.
My wager that I’m willing to bet zero dollars on is a two seater called Mustang cobra. A smaller car with some S650 styling cues to compete with BRZ type cars. Could just be my eyes, but trying to compare profiles of that teaser and current and previous mustangs seems to look like there is no...
Doesn’t matter, just has to be inside the car for it to start.
I mean, do what you want - it’s your car. Just wanted to point out out something that may have been overlooked.