View Single Post
      04-06-2019, 05:31 PM   #1
ericbikes
New Member
1
Rep
8
Posts

 
Drives: 2000 528i
Join Date: Sep 2016
Location: Boston

iTrader: (0)

Identify this part?

Hi- I have E39 and I get loud hissing left side of engine coming from bottom hose of this silver part that looks like some kind of vacuum part. Can someone pls identify? The loud leak sounding noise stops after about 60 seconds of starting cold engine and does not happen starting warm engine. Never happened before.
Attached Images