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-   -   what's this leak (http://www.bimmerfest.com/forums/showthread.php?t=696459)

Rob13567 05-15-2013 05:19 PM

what's this leak
 
1 Attachment(s)
I found this leak or spill and I tried looking it up, found nothing
Please help?

timarnold 05-15-2013 06:31 PM

Can't really tell, but it's most likely either the water pump or thermostat leaking. While you are in there replace both.

Rob13567 05-16-2013 06:41 AM

Is it Really? this is on the passenger side of the engine thought the thermostat was in the front of the engine?

tmvE39/E53/Z32 05-16-2013 06:43 AM

I can't tell where the leak is in your pic.

Fudman 05-16-2013 07:14 AM

You need to put an arrow on your picture to better describe the location. You also need to better define the fluid that you have discovered. Color, consistency (oily or watery), smell, etc. Without additional detail, we cannot assist or it would be a WAG.

rdl 05-16-2013 07:17 AM

1 Attachment(s)
I too, cannot see a leak.

However, if the red arrows point at the leaks, it's the expansion tank.
If the yellow arrows, the lower rad hose. The electrical sensor in the lower rad hose is the radiator outlet temp sensor used to control the electric auxillary fan in front of the rad and A/C condenser.

http://www.bimmerfest.com/forums/att...1&d=1368713577

dtadrian 05-16-2013 12:16 PM

what's this leak
 
Get a white paper towel and clean some off. Also touch it and smell it. When engine cold wipe you hand under the vanos unit. Let us know what you find


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Rob13567 05-16-2013 12:58 PM

2 Attachment(s)
Truly sorry guys did not realize it was a bad pic
I took two more to show the leak, one far away and one close up with arrows
To make sure

chemist 05-16-2013 01:05 PM

valve cover gasket leak
mine made mess in that area

dtadrian 05-16-2013 01:13 PM

what's this leak
 
Could be VCG leak or vanos leaking. Get a mirror and look. Maybe get brake cleaner and clean area and check it daily to confirm location of leak


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Fudman 05-16-2013 02:01 PM

Rub a clean paper towel under the edge of the VC rim. If it comes up oily, that's your leak: valve cover gasket.

see beisansystems.com for the DIY fix. ~ $40 for the part. You may want to consider replacing your Vanos seals since you are half way there. Do a search for why.

Jim Rolando 05-16-2013 02:22 PM

That's where my VCG was leaking. Once that far repairing it I decided to also changed the VANOS seals.


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