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Leak after synthetic oil switch (archive)

[ Follow Ups ] [ 5-series (E34) Message Board ] [ Msg. Board FAQ ]

Posted by Chris Rose on August 31, 2001 at 10:06:28:

There was no oil found under the car this morning. So it's only happening while at pressure.

Here's re-post from last night.

If any of you read my previous posting about having an oil leak after switching to synthetic, well here's an update.
I cleaned the underside of the engine thorougly then took car for my 3 mile test drive. Put it back up on ramps and here's what I found.
Fresh oil film on sub-frame cross member just behind what I think is the oil level sensor on the oil pan (it's opposite side of drain plug and on bottom of pan with three bolts). There was also small patch of oil film on center tie rod right behind sub-frame cross member. The problem is I didn't see oil anywhere else. It did NOT look like oil was leaking from around the oil level sensor.
I put white paper napkins under the car tonight and will look in the morning for evidence. The car is still sitting on ramps though so that may change things somewhat.
Any other ideas out there? Please!

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