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5-Series (E12,E28, E34, E39, E60) Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)

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Old 01-27-2004, 04:30 PM   #1 (permalink)
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I just went outside to clean my car off and drive it to see how fun rwds can be in the snow...

Well, lol, i got stuck in my drive way so i went into my garage to get some weights to put in my truck, and as i got to the area where i parked i noticed a larger puddle of oil than usual. I recently helped my leak slow down with an oil additive but it seems like the leak is completely back again... As i headed back up to my car with the weights i was to put in my truck, i noticed drops of oil in the snow every foot leading up to my car

I thought that oil would be thicker when cold, thus leaking less... Could the cold have messed up a gasket, causing the leak to get worse?
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Old 01-27-2004, 04:32 PM   #2 (permalink)
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blah
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Old 01-28-2004, 04:34 PM   #3 (permalink)
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BUMP
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Old 01-28-2004, 04:44 PM   #4 (permalink)
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oil should leak less in the cold, but who knows. Are you sure it's not leaking somewhere around the filter or the flush screw thing.

dont know what else to suggest sorry
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Old 01-29-2004, 06:59 PM   #5 (permalink)
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or the oil has accumulated on a crossmemeber while sitting and has now started running off. You wil be surprised where oil will hide in the chasis and suspension before dumping on the ground.
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Old 01-29-2004, 07:30 PM   #6 (permalink)
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No, that wouldnt be it... Whenever i have the car on now it drips at about 3-5 drops a second, i think i have no choice but to put it in the shop, what do you guys think?
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Old 01-29-2004, 07:34 PM   #7 (permalink)
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probably the best thing to do is to take it to a shop. you cant drive like that
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Old 01-29-2004, 09:10 PM   #8 (permalink)
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oooh. Yeah, I would do something now.
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Old 01-30-2004, 03:49 PM   #9 (permalink)
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Thanks for your replies...

I got on the ground and really looked around today... And after about 15minutes i concluded that the oil is leaking from above the oil pan... I cant tell if it is abive the oilpant gasket though... What's above the oil pant that would leak oil?

AND It only leaks a large amount when running. It's been over a day since i drove it and i filled it with oil that day and when i checked it bfore i drove today, it was full... When i came home today i checked the oil after driving 30ish miles and you could tell by the mark on the dipstick that the oil level has gone down.

So, I'm trying to diagnose this. What is above the oil pan that would leak mostly when the engine is running...
and/or
If the oil pan gasket needed replaced, would oil leak out of it more when the car if running?

Thanks a lot... I really hope i can solve this.
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Old 01-30-2004, 05:11 PM   #10 (permalink)
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i'm not a technician, but I am guessing (the best I can) that when the car is running, pressure builds up, which forces the oil through a possible hole/crack/whatever in the gasket.

when the car is off, oil slowly makes it's way down, and collects in the oil pan. at that point only the oil sitting above the gasket can leak.

again, im not a tech but i hope it will help and that u will fix it soon !
good luck
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Old 01-31-2004, 10:17 AM   #11 (permalink)
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What other gaskets would leak oil?
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Old 02-02-2004, 08:48 PM   #12 (permalink)
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oil pressure switch.
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Old 02-02-2004, 09:42 PM   #13 (permalink)
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Quote:
Originally posted by njtech@Feb 2 2004, 10:28 PM
oil pressure switch.
How much is that to replace?
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