Leaking Oil from Intercooler Pipe
#1
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My Ride: 535d M Sport LCI 2008 Space Gray/Dark Blue Dakota
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I have discovered a small oil leak from the Intercooler (Charge air) pipe at its lowest point. ie where it exits the intercooler.
Various diesel forums advise this is quite common in TD engines - a result of crankcase oil mist/vapour being re-circulated back into the system.
My vehicle is only 1 year old with 9K miles , mainly motorway mileage.
I havn't identified the amount of oil involved yet - although car not using oil noticeably.
I would prefer not to see anything like this , but a bit of research suggests the above not unusual...?
Any other Diesel e60 owners out there with similar findings......?
Various diesel forums advise this is quite common in TD engines - a result of crankcase oil mist/vapour being re-circulated back into the system.
My vehicle is only 1 year old with 9K miles , mainly motorway mileage.
I havn't identified the amount of oil involved yet - although car not using oil noticeably.
I would prefer not to see anything like this , but a bit of research suggests the above not unusual...?
Any other Diesel e60 owners out there with similar findings......?
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oil in intercooler plumbing is never a good thing as it drastically reduces the intercooler efficiency. I would guess that it is oil blow-by recirculating back into the intake tract, gumming up your intercooler and piping, and eventually your whole top end. Install an oil catch can
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#3
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My Ride: Completely standard (but well specced) 530d 2006
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I agree with the above, any oil in the intercooler system is not good news.
There could/should be a little residue in the pipe work but only a fine coating on the inside of the tube, certainly not enough to drip/leak.
If the car is only a year old, get it back to the dealer to check out.
There could/should be a little residue in the pipe work but only a fine coating on the inside of the tube, certainly not enough to drip/leak.
If the car is only a year old, get it back to the dealer to check out.
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My Ride: 2006 blue 525i Sportspack N52B25AF
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oil in intercooler plumbing is never a good thing as it drastically reduces the intercooler efficiency. I would guess that it is oil blow-by recirculating back into the intake tract, gumming up your intercooler and piping, and eventually your whole top end. Install an oil catch can ![Thumbsup](https://5series.net/forums/images/smilies/imported/thumbsup.gif)
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