oil leak from underbody

swn80 · 11-05-2010, 02:10 PM

Dear friends~~~

I have a problem with oil leaking underside of my car.
My indy shop manager told me that it must be related to the power steering fluid, however, he cannot also recognize which part he needs to order to replace it.
The picture will show you the two high pressure hose (red arrow) which are leaking now.
Does anyone have any idea what these lines are?

Thank you for any comment.

SamDoe1 · 11-05-2010, 03:07 PM

No idea, but it looks like BP was at work under your car....

mp333 · 11-05-2010, 10:55 PM

Could be your oil filter housing seal leaking. If you search you will find DIY. It will soak your front diff....
GL

ferngreen 325xi · 11-06-2010, 07:07 AM

Those lines with the red arrows run from the automatic transmission to the heat exchanger in the radiator.

SILVRRONIN · 11-08-2010, 07:57 AM

its the oil filter housing seal...Mine is doing it now, I wil be replacing it this weekend. its only a $4 part from pelican. I advise you to get a new alternator belt also. Its worth the while to have it replaced while down there.

11-05-2010, 02:10 PM	#1
swn80 Registered User Join Date: Nov 2009 Location: Indiana Bloomington Posts: 9 My Ride: 2003 325xi View My Garage	oil leak from underbody Dear friends~~~ I have a problem with oil leaking underside of my car. My indy shop manager told me that it must be related to the power steering fluid, however, he cannot also recognize which part he needs to order to replace it. The picture will show you the two high pressure hose (red arrow) which are leaking now. Does anyone have any idea what these lines are? Thank you for any comment. Attached Thumbnails

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11-05-2010, 03:07 PM	#2
SamDoe1 Registered User Join Date: Oct 2010 Location: Minnesnowta Posts: 2,533 My Ride: 2004 330xi, 3 pedals View My Garage	No idea, but it looks like BP was at work under your car....

11-05-2010, 10:55 PM	#3
mp333 Registered User Join Date: Nov 2009 Location: EastCoast Posts: 285 My Ride: 2003 325XI View My Garage	Could be your oil filter housing seal leaking. If you search you will find DIY. It will soak your front diff.... GL

11-06-2010, 07:07 AM	#4
ferngreen 325xi Registered User Join Date: Aug 2006 Location: Moved to San Diego Posts: 90 My Ride: 2001 325XI wagon. View My Garage	Those lines with the red arrows run from the automatic transmission to the heat exchanger in the radiator.

11-08-2010, 07:57 AM	#5
SILVRRONIN Registered User Join Date: Apr 2009 Location: New Orleans Posts: 366 My Ride: 2003 325.xit View My Garage	its the oil filter housing seal...Mine is doing it now, I wil be replacing it this weekend. its only a $4 part from pelican. I advise you to get a new alternator belt also. Its worth the while to have it replaced while down there.