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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 01-02-2013, 11:57 AM
beaverphant beaverphant is offline
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Location: Utah
 
Join Date: Jan 2013
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Mein Auto: 1990 325i
Angry Tips on taking apart cylinder head?

So i have this 1990 325i that has a warped head and the nearest machine shop is asking way to much to take the head apart. So if i can do it, the price is about half just for the cleaning and the milling. I have the head out and is sitting on my work bench. My only problem is that star bolt on the front that hold that gear to the cam (sorry i don't know what they care called, I know my car inside and out but i don't know all the part's names) is stuck. I tried to wrench it off but it wont budge. So i got a pneumatic impact wrench with high power and that still isnt getting it off. It's just warping the crap out of the bolt. Any ideas on getting that sucker off? I don't wanna break anything but i dont want to pay an extra 70 bucks just because i cant get a stupid bolt undone.
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  #2  
Old 01-02-2013, 12:17 PM
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hornhospital hornhospital is offline
D'oh, You kids!
Location: In the Grumpy Chair
 
Join Date: Jan 2008
Posts: 14,375
Mein Auto: 1995 318is / 1993 325is
The machine shop only wants $70 to disassemble the head? LET THEM DO IT!
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1995 318is "Bebe"; 1993 325is "Elvira" 1985 635CSi "Katja" 1984 633CSi "Sylvia"
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  #3  
Old 01-02-2013, 12:21 PM
beaverphant beaverphant is offline
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Location: Utah
 
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Mein Auto: 1990 325i
Well, all i need left is to take that bolt out and take out the two rods with the rocker arms. Is it really that difficult to be worth it? Keep in mind i'm a rather poor college student.
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  #4  
Old 01-02-2013, 01:15 PM
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hornhospital hornhospital is offline
D'oh, You kids!
Location: In the Grumpy Chair
 
Join Date: Jan 2008
Posts: 14,375
Mein Auto: 1995 318is / 1993 325is
Believe me, if you take one apart and put it back together after machining, you'll think it's well work $70 for someone else to do it. Do you have the required valve spring compressor? Or were you leaving the valves in place?
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Quotes to live by:
guessing gets expensive...drivinfaster
nothing is more expensive than a cheap BMW...c4harpe13

Ken Kanne, Silverhill, AL, E36 Forum Mod/Craigslist addict/Hoarder of all sorts of stuff
BMW-CCA #441426
1995 318is "Bebe"; 1993 325is "Elvira" 1985 635CSi "Katja" 1984 633CSi "Sylvia"
HAVE I HAD MY MEDS YET?


Last edited by hornhospital; 01-02-2013 at 01:16 PM.
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  #5  
Old 01-02-2013, 01:22 PM
beaverphant beaverphant is offline
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Location: Utah
 
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Mein Auto: 1990 325i
The machine place just told me to close the vlaves.
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  #6  
Old 01-02-2013, 01:27 PM
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hornhospital hornhospital is offline
D'oh, You kids!
Location: In the Grumpy Chair
 
Join Date: Jan 2008
Posts: 14,375
Mein Auto: 1995 318is / 1993 325is
Leaving the valves in makes the job a lot easier. I'm used to stripping a head before it goes in for machining, but only if the valves are being replaced. Were they going to grind the valves, too, in addition to machining the head gasket surface? I know you're a poor college student, but this'd be the time to have that done. Might save you a lot of aggravation later.
__________________
Quotes to live by:
guessing gets expensive...drivinfaster
nothing is more expensive than a cheap BMW...c4harpe13

Ken Kanne, Silverhill, AL, E36 Forum Mod/Craigslist addict/Hoarder of all sorts of stuff
BMW-CCA #441426
1995 318is "Bebe"; 1993 325is "Elvira" 1985 635CSi "Katja" 1984 633CSi "Sylvia"
HAVE I HAD MY MEDS YET?

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  #7  
Old 01-02-2013, 05:19 PM
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downhiller downhiller is offline
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im with HH, let them do it. so if they break the bolt or something they have to replace it. i can tell you breaking a cam bolt is not worth doing it yourself.
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  #8  
Old 01-02-2013, 09:56 PM
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BMWFatherFigure BMWFatherFigure is offline
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Mein Auto: E23;E30;E38;E32;E34 +
+1 on above. This could take you hours and you REALLY NEED the manual. If they get it wrong they have to fix it.
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