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Low Oil Pressure warning

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Old 06-23-2009, 09:15 PM
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Originally Posted by BimmerJay' post='921707' date='Jun 23 2009, 08:09 PM
I have an 04 530i with approximately 80K. About a month ago I received this exact error - low oil pressure. I let the car cool down and I then checked the oil. Everything seemed in check, but I added some oil just in case (within the limits), but I knew I was going to take the car in just for the piece of mind. In total I received the error 3 times over the month, so I finally dropped it off at the dealer last Tuesday June 16th 2009. Later that afternoon I received a call from BMW saying had a faulty oil pressure sensor, so they replaced it under the CPO - copay $50.

So far so good.

-Jay
thanks .. this was helpful. I think its the pressure sensor.....I'll just deal with it when it starts showing up more often.
I also looked up the TIS to change the Oil Pressure sensor. It is pretty straight forward...the sensor is under the Oil filter and the Intake box just has to be removed to access it.
Old 06-24-2009, 06:38 AM
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Originally Posted by vsark' post='921804' date='Jun 24 2009, 01:15 AM
thanks .. this was helpful. I think its the pressure sensor.....I'll just deal with it when it starts showing up more often.
I also looked up the TIS to change the Oil Pressure sensor. It is pretty straight forward...the sensor is under the Oil filter and the Intake box just has to be removed to access it.
Please post the TIS here, if you can. Thanks.
Old 06-24-2009, 07:21 AM
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Originally Posted by vsark' post='921804' date='Jun 24 2009, 05:15 AM
thanks .. this was helpful. I think its the pressure sensor.....I'll just deal with it when it starts showing up more often.
I also looked up the TIS to change the Oil Pressure sensor. It is pretty straight forward...the sensor is under the Oil filter and the Intake box just has to be removed to access it.
I had the exact problem on my 03 530i, seems common in 03-04 car
I switch off the car and let it cool down abit and it gone afterwards, it happens to me once every two months or so.
Old 06-24-2009, 09:55 AM
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bad sensor...$300 and fixed the problem.
Old 06-24-2009, 10:48 AM
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Originally Posted by unknown' post='921163
bad sensor...$300 and fixed the problem.
you're welcome
Old 06-24-2009, 11:26 AM
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Originally Posted by theXman' post='922035' date='Jun 24 2009, 07:38 AM
Please post the TIS here, if you can. Thanks.

Here is the TIS..should be easy.
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Old 11-05-2013, 05:04 PM
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Hey guys, this is my first post on this website, I have recently bought an 04 530i with 101k miles. I'm now getting this same oil pressure warning. Been into my local mechanic who said there is plenty of pressure, took the car In today to have the pressure sensor and the filter cap both replaced. Still getting the same fault. To be specific, I don't get the fault until after some highway driving and coming to a stop at a traffic light. Both conditions have to be met for the warning to show up. I'm thinking i may have the wrong oil weight put in before I bought the car. Any ideas??? Thanks!
Old 11-05-2013, 06:51 PM
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Originally Posted by Chamoh78
Hey guys, this is my first post on this website, I have recently bought an 04 530i with 101k miles. I'm now getting this same oil pressure warning. Been into my local mechanic who said there is plenty of pressure, took the car In today to have the pressure sensor and the filter cap both replaced. Still getting the same fault. To be specific, I don't get the fault until after some highway driving and coming to a stop at a traffic light. Both conditions have to be met for the warning to show up. I'm thinking i may have the wrong oil weight put in before I bought the car. Any ideas??? Thanks!
the oil pump turns as fast as the engine turns, so when at idle, the pump is not pumping a whole lot of oil. and since the oil is hot, it flows easier and the clearances in the engine are not tight enough to build pressure at the low engine/pump speed. try using a thicker oil, or dare i say, lucas oil treatment.
Old 11-07-2013, 04:28 AM
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That's what I was thinking, thanks turboawd! I'll let you know what I get figured out...
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