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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E30 (1982 - 1993)

E30 (1982 - 1993)
God's Chariot. The E30 was produced primarily from 1982 through 1991. The cabriolet was the one exception which was produced through 1993.

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  #1  
Old 09-01-2012, 04:35 PM
Jayboy85 Jayboy85 is offline
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Oil light flicker

I have an 84 318i and my oil light started Blinking. It only blinks when I'm stopped at a light or stop sign when it start driving it turns off. I recently changed the oil oil filter and air filter is also changed the oil pressure switch. Is this something major or a simple fix?
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  #2  
Old 09-01-2012, 05:42 PM
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downhiller downhiller is offline
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oil pump could be goin downhill. it is a 28 year old car with most likely a stock motor.
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Old 09-01-2012, 08:50 PM
Jayboy85 Jayboy85 is offline
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Is that something I can do myself or is it better to take it to a shop?
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Old 09-02-2012, 04:47 PM
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downhiller downhiller is offline
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just a matter of dropping the oil pan and removing the old pump and putting a new one in.
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Old 09-02-2012, 04:49 PM
Jayboy85 Jayboy85 is offline
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Thanks Thank

Thank
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Old 09-02-2012, 09:30 PM
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another thing you can do is do another oil change and throw in a heavier oil. but after thinking more about it, you should look into testing the oil pressure. it could be a bad sensor.
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Old 09-02-2012, 10:29 PM
Jayboy85 Jayboy85 is offline
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I just put in a new oil pressure switch. Should the wire that connects to the switch have power?
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Old 09-02-2012, 10:36 PM
Jayboy85 Jayboy85 is offline
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A

I changed the oil pressure switch with a new one. How can I check if that's working correctly.?
Should the wire that connects to the oil pressure switch have power?
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Old 09-03-2012, 01:31 AM
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Nick323 Nick323 is offline
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Cool Testing for pressure

Buy a "manual" oil pressure gauge
This you then thread into the oil pressure SX socket & see what it reads cold & then hot.
Then if it is the pump (could also be exessive bearing clearance) you can compare readings once swapped out.
I am not saying that you need to make this a permanent fit. I usually stick it under the windscreen wiper blade for testing. It is a good idea to remove the wiper fuse when you do that, as your fellow pedestrians might not see the funny side of being sprayed with hot oil
Ah yes, I do the same with Fuel pressure etc.
These gauges are not expensive...
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Old 09-03-2012, 06:12 AM
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BMWFatherFigure BMWFatherFigure is offline
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Those are the tests I would make. Light is only a guide. Switch earths out the globe when oil pressure low.
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Old 08-01-2013, 07:15 PM
RemSteele RemSteele is offline
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Flickering Oil light

Quote:
Originally Posted by BMWFatherFigure View Post
Those are the tests I would make. Light is only a guide. Switch earths out the globe when oil pressure low.
Just looking for an outcome. I have a flickering oil light and I'm about to to replace my "rack". If I have it down it would be a good time to drop the oil plan and replace the oil pump
Just looking for an update on your fix if available.

Thanks,
RJ
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Old 08-02-2013, 09:11 AM
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BMWFatherFigure BMWFatherFigure is offline
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Depending on the engine and your skill level you can replace all the crank bearings 'in situ' with the sump off. That and an oil pump change will give you top oil pressure for a few years to come. Run the engine in carefully though as you are bedding the crank to the bearings. Change the oil (not filter) after the first 500 miles.
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Old 08-11-2013, 07:16 PM
RemSteele RemSteele is offline
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Update, it appears to be the oil sensor.
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