Does anyone know what this sound is? I just installed an STM bov adapter and on cold starts there is a loud hissing sound for about 10 seconds.
https://drive.google.com/file/d/1kSN07NkI80Mp6LK5NvzBgX9-9ZAf-olU/view?usp=drivesdk
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
