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Old Feb 23, 2020 | 02:56 PM
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Oil Leak

I am having a oil leak in my car and noticed it is getting worse. I don't have lifts to check it out myself. Dropping the car in the am tomorrow.

No check engine lights or warnings. A service is due in 4200 miles. When parking my car I have noticed a burning smell from the engine. I recently had a local shop fix an ATF leak and had them flush and replace gasket.

The color of the oil is green but could also be turquoise depending on how you look at it (I know that ATF fluid is blue).

I attached two pictures to give you an idea of how it looks. Any thoughts? I am lowered on HR VTF so I could have banged into something on the road.



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Old Feb 23, 2020 | 07:46 PM
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By the description of the color, I think it might be your rear differential or the driveshaft. If it were your tranny again, it would be more redish in color.
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Old Feb 23, 2020 | 07:51 PM
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You can’t notice in pics, but when I looked under the car it seemed to be coming from the front right of the car closer to the passenger side.
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Old Feb 23, 2020 | 09:12 PM
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It could be a leak from the reservoirs.
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Old Feb 23, 2020 | 09:16 PM
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Looks like coolant?
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Old Feb 23, 2020 | 10:20 PM
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I’ll update this once my mechanic checks it out. In the meantime, what is this? looks like tubing sticking out of a hole.

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Old Feb 24, 2020 | 05:00 AM
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Haven't looked at mine, but that's the gas tank. The leak is definitely not from there.
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Old Feb 24, 2020 | 09:40 AM
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Originally Posted by C63S1
I’ll update this once my mechanic checks it out. In the meantime, what is this? looks like tubing sticking out of a hole.

The tube is a battery vent tube...that's normal.
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Old Feb 24, 2020 | 01:42 PM
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Taste it or smell it. Really. Is it oil or coolant? Oil smells like oil. Antifreeze is the same way. Any idiot lights showing on dash?
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Old Feb 24, 2020 | 02:16 PM
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Where is the windshield fluid tank?
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Old Feb 24, 2020 | 02:23 PM
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Close to the firewall, left hand side. That's a good guess. I had two windshield wash tank fitting fail on my previous 09 BMW 650. It happens.
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Old Feb 26, 2020 | 11:00 AM
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It was the ATF. The first mechanic I went to did not replace the bolts holding the pan so it leaked again.

Last edited by C63S1; Feb 26, 2020 at 11:41 AM.
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Old Mar 10, 2020 | 10:22 AM
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Just an update, oil has not leaked since. If any of you have to replace gasket, ask your mechanic to also change the bolts.
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Old Mar 11, 2020 | 10:15 AM
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Originally Posted by C63S1
Just an update, oil has not leaked since. If any of you have to replace gasket, ask your mechanic to also change the bolts.
Thanks for the update and glad it's fixed mate. Hopefully it didn't cost you much.
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