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E28 (1982 - 1988)

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  #1  
Old 10-05-2008, 10:58 PM
Slaytanic_666 Slaytanic_666 is offline
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Location: Canukistan
 
Join Date: Sep 2008
Posts: 47
Mein Auto: 1983 528E
Question Coolant vapor lock? did I ruin my motor?

Will the coolant system in my 84 e28 auto-magically remove any air/vapor locks, I had to cut back some the hose that I found (too close to alt belt/pulley), I replaced as much coolant as I could through the reservoir(interior heat fan on max), but it seems it lost more than I put in, I tried burping it by squishing out the air bubbles in the top hose/bottom and to the rad and the smaller hose to the thermostat and the res., I filled it as I went in the res. but it seemed to burping itself through the over flow hose by leaking out. Will the air locks work them selves out safely? I just did a fresh oil change with 5-30 like 5 days ago. I also topped up the coolant res. tonight so coolant returns to the engine galleys over night. I hope this will be O.K. Any tips would easy my worried mind Thanks in advance.
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83/7 production Graphite Metallic 528e
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  #2  
Old 10-06-2008, 06:33 AM
jimoreno jimoreno is offline
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Location: Parsippany, NJ
 
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Mein Auto: 2006 X3
Our cars have a small venting bolt on top of the thermostat housing. Loosen this screw, turn the thermostat to full heat (move one of the sliders to the right also) and run the engine. Let it bleed until you see no more bubbles. It might have to be repeated in order to get all the air out. When getting new anti-freeze get Zerex (its BMW approved). The BMW one from the dealer is about $20/gallon and its the one I use.

Good Luck!
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  #3  
Old 10-06-2008, 11:26 PM
Slaytanic_666 Slaytanic_666 is offline
Bavarian Moterwerks JAH!
Location: Canukistan
 
Join Date: Sep 2008
Posts: 47
Mein Auto: 1983 528E
Thumbs up Thanx Jim!

I went to mye28.com last night too and was informed of the bleeder screw 8 m.m.? Anyways it seems to running fine today, no over heating(one small puddle on a down grade slope after driving to work, got home no puddles) and I set the heater fan on max and the heat switches to 87 on both top and bottom. I went to the B.M.W. dealership in town today and priced out their coolant 30 bux plus taxes....only 4 liters! When I do the proper rad hose change with clamps etc...I will be using the Bimmer brand and distilled water too. I found all kinds of corrosion on the hose mount on the block I scraped it off with my handy xacto blade while holding the hose in my other hand! But so far so good. I don't think there is any vapor lock in there, the temp gauge would've been all over the place if was it didn't over heat, and this was regular city driving too.
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