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-   -   engine bay leak (http://www.bimmerfest.com/forums/showthread.php?t=662291)

brunke 12-05-2012 04:56 AM

engine bay leak
 
I have an 08 with an oil leak showing up near the front of the engine. The oil is red. Is the transmission oil red? I haven't found the source of the leak yet or checked transmission level.

al_macaroni 12-05-2012 05:23 AM

The power steering fluid may also be red. The power steering reservoir is located at the front, too.

x3brian 12-05-2012 06:35 AM

Quote:

Originally Posted by al_macaroni (Post 7231881)
The power steering fluid may also be red. The power steering reservoir is located at the front, too.

The 08 ps fluid is chf11s which is more greenishish in color if my memory is right. If original fill probably dark brown or black now.

I would look at the trans cooler lines towards the bottom of the radiator towards expansion tank.

Also how thick is the fluid and what does it smell like? Is it more watery? If someone replaced the blue antifreeze with dex cool or g85 coolant it could be the expansion tank.

The first two things that I would do is 1) remove the top engine cover (4 torx screws and intake snorkel to look around top of engine
2) get the car up on jack stands and remove bottom engine cover 4 17mm bolts by tranny and about 12 8 or 9mm bolts around the perimeter.

This will allow you to get a good look of what might be happening.

noego 12-06-2012 10:23 AM

http://www.youtube.com/watch?v=xE_lfK0z974&NR=1


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