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View Full Version : Low oil pressure and I want to die..



nmwaldron
09-17-2006, 12:54 AM
:( I changed my valve cover gasket today...and this is how my engine looked:
http://www.bimmer.info/forum/showthread.php?t=25998

Now after scraping the **** off and cleaning with degreaser, putting it back together, the oil light comes on with an engine oil pressure warning.

Can anything else go wrong in my life??:(

ThoreauHD
09-17-2006, 02:25 AM
With all that crap on it, ya think the sensor is gunked up? Your engine looked like hammered ****. I'd flush that thing until all the seals melted off.

yaofeng
09-17-2006, 06:34 AM
Don't run the engine again until you find out what caused the low oil pressure.

Dash01
09-17-2006, 05:23 PM
1. Remove oil pressure sender and wipe it off, then install. See if that helps.

2. Replace " " " " for ~$7. " " " "


3. Inspect your old oil filter, to see if it's clogged. If so, replace with a cheap one, and;

3. If oil is low, add a quart of transmission fluid, which has solvent to disolve the crud, and run for a few days before changing the oil and filter. See if that helps. Don't run for more than a few days, as the disolved crud floating in the oil won't do much for the engine.

winfred
09-17-2006, 05:46 PM
worst case you distrubed enough crap in the top end that washed down to the pan and clogged the pick up on the pump, if it's this you need to drop the pan enough to unbolt the pick up and clean the screen. generally it's best to leave the sludge alone if you don't have the time to get all of it (usually when the head is off) you can break it up and it then travels around the engine hopefully getting caught by the filter

heres a 740il i did a while back
http://members.cox.net/wdixon27/sludge6.jpg
http://members.cox.net/wdixon27/sludge5.jpg
http://members.cox.net/wdixon27/sludge4.jpg

winfred
09-17-2006, 05:49 PM
yes it is standing on it's own a good 1/2" above the top of the pan
http://members.cox.net/wdixon27/sludge3.jpg
to properly serve pudding presentation is key
http://members.cox.net/wdixon27/sludge1.jpg
garnish with floor dry and viola
http://members.cox.net/wdixon27/sludge2.jpg

aston_jag_tech
09-17-2006, 06:04 PM
Wow!! That is awesome!!!

winfred
09-17-2006, 07:24 PM
it was firm enough that it held that spoon with no trouble at all, that was after running the engine and dumping a gallon of cheep oil because there was nothing on the stick and the op light was on, i let it drain till nothing came out dropped the pan and there you go


Wow!! That is awesome!!!

Dash01
09-17-2006, 10:10 PM
On the M30 engine do you have to remove the cross member to make room for removing the pan?

Or, was it a simple unbolt and drop?

winfred
09-17-2006, 10:36 PM
jack it up about 4" and put blocks under the mounts and it will slip out, depending on the engine type you may need to unbolt the oil pump and drop it in the pan


On the M30 engine do you have to remove the cross member to make room for removing the pan?

Or, was it a simple unbolt and drop?

Dash01
09-18-2006, 10:09 AM
Thanks for the info on dropping the oil pan.

First, though, seems like you could take a biopsy sample of the oil pan crud (if any, and how thick, etc.) by working through the oil drain plug.

Bill R.
09-18-2006, 10:13 AM
end up in the bottom of the pan like the one in Winfred's pictures. Frequently the pan will be clean and the gunk will be all over the sides of the block and plugging up the oil pickup screen






Thanks for the info on dropping the oil pan.

First, though, seems like you could take a biopsy sample of the oil pan crud (if any, and how thick, etc.) by working through the oil drain plug.

winfred
09-18-2006, 12:00 PM
the problem with that is the screen is allready clogged if the light is on so it doesn't really matter, the pan needs to drop to clean the screen if you actually don't have oil pressure and it's not a dead op switch

ps it's not always pudding, most of the time it's like coffee grounds


First, though, seems like you could take a biopsy sample of the oil pan crud (if any, and how thick, etc.) by working through the oil drain plug.