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      01-12-2013, 12:42 AM   #1
aph335i
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Drives: 2009 BMW 335i Coupe
Join Date: Sep 2012
Location: West Point, NY

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I was under my hood updating my JB4 firmware when I came upon a hissing when starting the car. If you are standing Infront of the car, it was coming from the left side of the engine. It would go away with a little pressure on the area. Anyone know?


Last edited by aph335i; 01-12-2013 at 02:32 AM.