What exactly is leaking here?
#1
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After three very unsuccessful attempts to get my idle quality issues solved at my local BMW dealer I have decided to start looking for causes of the issue myself. Under the hood there is clearly something leaking (see attached picture). On RealOEM this appears to be the vacuum pump but I am puzzled to see it leaking what appears to be oil.
What is the top line connected to? It's hard to tell without removing anything and I am reluctant to do so while the car is under warranty.
What is the top line connected to? It's hard to tell without removing anything and I am reluctant to do so while the car is under warranty.
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Originally Posted by sigma' post='492366' date='Nov 9 2007, 05:04 PM
After three very unsuccessful attempts to get my idle quality issues solved at my local BMW dealer I have decided to start looking for causes of the issue myself. Under the hood there is clearly something leaking (see attached picture). On RealOEM this appears to be the vacuum pump but I am puzzled to see it leaking what appears to be oil.
What is the top line connected to? It's hard to tell without removing anything and I am reluctant to do so while the car is under warranty.
What is the top line connected to? It's hard to tell without removing anything and I am reluctant to do so while the car is under warranty.
But on the bright side your under warranty so just let them deal with it. Take it to another dealer if possible.
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For anyone curious it appears this line goes to the brake booster so I still don't see any reason for anything but vacuum to be in there. I suppose then it could be brake fluid, but I would be rather surprised if that's the case and a warning was not triggered.
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My Ride: E90 330i + E60 550i
can you tell 100% sure that there is a leak in th hose or the connection? If not, there is usually oil residue like that all over the engine compartment. dealers arent the cleanest people when working on your car. only you can be meticulous and make sure that any spalshes of oil here and ther are cleaned up. if its what I think it is, then I wouldnt worry about that.
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Originally Posted by s4iscool' post='494345' date='Nov 14 2007, 04:42 PM
can you tell 100% sure that there is a leak in th hose or the connection? If not, there is usually oil residue like that all over the engine compartment. dealers arent the cleanest people when working on your car. only you can be meticulous and make sure that any spalshes of oil here and ther are cleaned up. if its what I think it is, then I wouldnt worry about that.
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My Ride: 2008 535i, 6spd mtx, Monaco Blue w/Beige interior. Sport, Preimum, Logic 7/HD/I-Pod/USB, Nav sys, rear sunshade, HUD, PDC, Split seats,
Hard to tell with that close up shot...but looks like a valve cover breather or (blow by) line to me...they tend to build up oil residue around the connection (from hose to line) but hard to tell with that pic. Don't think you'll see a brake line with steel going into rubber like that...most are stainless into high pressure rubber hose with high pressure connections.
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Originally Posted by HotLap' post='494424' date='Nov 14 2007, 09:15 PM
Hard to tell with that close up shot...but looks like a valve cover breather or (blow by) line to me...they tend to build up oil residue around the connection (from hose to line) but hard to tell with that pic. Don't think you'll see a brake line with steel going into rubber like that...most are stainless into high pressure rubber hose with high pressure connections.
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