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      01-11-2013, 11:42 PM   #1
aph335i
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Drives: 2009 BMW 335i Coupe
Join Date: Sep 2012
Location: West Point, NY

Posts: 268
iTrader: (3)

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 01:32 AM.
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