Pictures of oil leak at oil cooler hoses - BMW M5 Forum and M6 Forums
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post #1 of 35 Old 6th May 2010, 12:06 AM Thread Starter
Rodster
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Pictures of oil leak at oil cooler hoses

I've got leak coming from oil cooler either from intake or outake hoses. I'm posting some pics of this. Any suggestions as to possible repair issues
is this just hose repairs or could cooler have to be replaced?
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post #2 of 35 Old 6th May 2010, 06:31 AM
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I had an oil leak from the same area not long ago and the dealer's initial prognosis was to replace the oil cooler. However, a week at home in the garage proved that wasn't the issue so they replaced the hoses on the 2nd visit and that appears to have fixed the issue. Apparently the hoses are $350 parts.

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post #3 of 35 Old 6th May 2010, 06:43 AM Thread Starter
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Has anyone replaced the hoses themselves? I was curious if they are easily accessible if you come in from up above.

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post #4 of 35 Old 6th May 2010, 06:49 AM
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I had the same issue and the dealer replaced the whole oil cooler and other stuff (maybe hoses but not sure) under warranty.

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post #5 of 35 Old 6th May 2010, 07:30 AM
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Quote:
Originally Posted by Rodster View Post
Has anyone replaced the hoses themselves? I was curious if they are easily accessible if you come in from up above.
When they did my cooler replacement, they pulled the bumper. When they did the hose replacement, I believe they only dropped the panel under the engine.

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post #6 of 35 Old 2nd November 2010, 09:28 PM
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engine knocking

Hi every1, basically i was driving at about 140mph and the red oil light appeared (oil preassure) also said engine fault reduce power, i immeadietly stopped and heard a knocking noise coming from the top of the engine also noticed big drops of fresh oil, i believe my oil cooler has been leaking, a speacialist said that my cams, tappets and shells are fine, wat else could possibly b making the noise

HELP PLZZZZZZ!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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post #7 of 35 Old 2nd November 2010, 11:54 PM
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Ok i think it is OFFICIAL!

The e60 m5 has a common leak where it attaches to the oil cooler!
I had the same issue however didn't know it was at the connectors till I had the bumper off and had purchased the RPI oil cooler.

Thanks Eloy/Rpi. Oil cooler success

I didn't replace my hoses i just got two new rubber seals. I think 2 seals + tightening of the nut that holds the hoses on is all that is needed here.
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post #8 of 35 Old 3rd November 2010, 12:01 AM
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post #9 of 35 Old 3rd November 2010, 06:35 AM
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post #10 of 35 Old 3rd November 2010, 08:40 AM
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Quote:
Originally Posted by sal m5 View Post
Hi every1, basically i was driving at about 140mph and the red oil light appeared (oil preassure) also said engine fault reduce power, i immeadietly stopped and heard a knocking noise coming from the top of the engine also noticed big drops of fresh oil, i believe my oil cooler has been leaking, a speacialist said that my cams, tappets and shells are fine, wat else could possibly b making the noise

HELP PLZZZZZZ!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Get the VANOS checked.
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