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sound of pressure being released...

3K views 24 replies 11 participants last post by  three28iguy 
#1 ·
i've noticed when i come to a complete stop, my car sounds like it is releasing a burst of pressure (like a blow off valve on a turbo car), but no turbo under my hood. just wondering what it could be...

its a 328i
 
#11 ·
idk if the CCV has ever been replaced; the car has 228k miles and i do majority of shorter trips in the fall and winter because i am a student that drives to campus 4 miles round trip.
good god if it's the original CCV that needs to be changed immediately among other things lol.
 
#12 ·
hahaha i bought the car with 119k so i really have no idea what has/has not been replaced, i just assume nothing has ever been replaced... the only time i can fix things is in may, but for the time being i am just figuring out what exactly i have to replace. i am going to do a coolant sysdtem overhaul and CCV in may.
 
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