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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 12-23-2010, 02:19 PM
rbavier rbavier is offline
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Location: Washington, D.C.
 
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Mein Auto: 1987 325 BMW
Cracked Thermostat Housing

While replacing the thermostat in my '87, I went to put the thermostat housing cover back on over the thermostat. After hand tightening all three bolts, I began to tighten up the top right bolt(if you are standing on the driver side of the car). After tightening it a sufficient amount, the female part(the part attached to the actual engine) cracked around the bolt.


My Questions are:

Is the part that the thermostat housing cover bolts into(i do not know the name) attached to the engine block or is it a part that can be easily replaced?


and is there any possible way of salvaging this situation without fronting more than the car's worth(I am a poor college student).

Any help would be appreciated.
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  #2  
Old 12-23-2010, 02:27 PM
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fcsteve fcsteve is offline
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Mein Auto: 90' 24v, 89' 325is
do you have a picture of which piece your talking about ? hard to tell exactly which one your talkign about
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  #3  
Old 12-23-2010, 02:34 PM
rbavier rbavier is offline
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Sorry, I don't have pictures right now, but I will get them tomorrow.

Let me try and describe it better.

The thermostat housing has three screws that hold it in place(2 on top and 1 in the bottom left corner). The screw goes through the thermostat housing and then into something else where the actual threads are. The part that broke is this "something else" where the actual threads are. When properly tightened their will be a tight seal between the thermostat housing and the mystery part with a gasket in between.

Locationally, it comes right off the engine block.
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  #4  
Old 12-23-2010, 03:19 PM
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eieio4tn eieio4tn is offline
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sounds like its the housing...has three sensors in it.? not too expensive, but prone to breakage.
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Last edited by eieio4tn; 12-23-2010 at 03:21 PM.
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  #5  
Old 12-23-2010, 04:29 PM
rbavier rbavier is offline
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Thats it. Thanks a lot.

Now I just have to figure out if I want to try and replace it or if I should take it to a mechanic.
Anybody know of a good explanation of how to replace it?
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  #6  
Old 12-23-2010, 08:14 PM
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eieio4tn eieio4tn is offline
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me thinks if you're asking this question, you need a mechanic. but feel free to read this first. http://www.pelicanparts.com/bmw/tech...Thermostat.htm
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  #7  
Old 12-27-2010, 01:06 PM
rbavier rbavier is offline
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Just took it in. The estimate was 297 for repairs, parts and shop fee. We'll see what happens from here.
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