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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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Old 02-19-2015, 11:39 AM
morganism morganism is offline
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Location: sw
Join Date: Feb 2015
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Mein Auto: e30 325e
No smoke, no milkshake, no burp ?

85 325e euro package

GF's car just started going thru oil, and i just changed out some parts, so was going to bleed cooling system.

Overflow was pretty low, topped it up few days ago, it only took about a cup into the system.

But NO water coming out the bleed screw on the Tstat.
Hoses feel empty too, havn't pulled any yet.

No milkshake oil, no white or blue smoke.
Temp gauge isn't working, geuss battery in dash is dead again.
doesn't seem to be overheating, and only oil leak looks to be the rear mainseal

Any quick tests to see if radiator is plugged, or blown head gasket.

Running ok, but wanted to see if the temp sensors would give correct feedback to the computer, but am kinda mystified now.
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Old 02-19-2015, 01:18 PM
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hornhospital hornhospital is offline
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Mein Auto: E24x2,E36x2,E30x1, F150
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Pull the bleed screw all the way out and poke a wire in there to see if the hole is plugged.If you continue to pour coolant into the system, it has to eventually come out the bleed port.
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Old 02-19-2015, 02:41 PM
morganism morganism is offline
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Location: sw
Join Date: Feb 2015
Posts: 3
Mein Auto: e30 325e
Pulled top radiator hose, no coolant came out.

Dumped a quart into the hose, and it finally started flowing out of the rad hose neck. I could also hear it flowing to the Tstat housing, but no big bubbles came back up the hose.

Started it again, to see if could get flow going, hoses felt firmer, but no flow out of bleed screw.

There is pressure in the overflow tank, so the system should be working but it isn't pulling out any coolant from the overflow.

I guess i gotta figure jammed Tstat.

Engine RPM really surged, i assume from the cold water on the temp sensor, so the cold fuel injector must be working. might be an easy waay to test it in the future when the car is warm.

This is parked in a driveway, and no obvious leaks of any kind.

Used another half a quart of oil this week, and where can that much water go to?
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Old 02-20-2015, 09:17 PM
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downhiller downhiller is offline
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Mein Auto: 2012 hypermotard 796
could also be a bad water pump
I know a lot about cars. I can look at a car's headlights and tell you exactly which way it's coming
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Old 02-21-2015, 04:17 AM
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BMWFatherFigure BMWFatherFigure is offline
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Mein Auto: E23;E32;E34;E38;R50;R55
Have you unblocked the bleed screw yet?
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Old 02-26-2015, 11:50 AM
morganism morganism is offline
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Location: sw
Join Date: Feb 2015
Posts: 3
Mein Auto: e30 325e
Did get bleeder screw hole cleared.

Turned out main overflow hose was blocked almost completley with gasket material chunk.
May be more in the radiator , but not overheating.

Car running much smoother with actual water temp sensing.
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oil, radiator, water in trunk

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