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Old 12-20-2007, 10:53 PM   #12
Antiburn
 
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Name: Antiburn
Title: Senior Member
Status: Offline
Join Date: Apr 2005
Location: Jersey
Rate My Car: 155 / 246
Your Ride: 92 525, 88 325 hardtop'ed vert and 83 320iS
Pull up the back seat, remove the gas pump cover, if the same noise increases its your fuel pump, I have a faint hissing noise also but could care less.

And that picture isnt a BMW
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1992 525i, 1988 Hardtop'ed Vert and 1983 320iS
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