Re: '87 535i Oil in coolant

["ra rabmw" <rabmw@xxxxxxxxxxx>]

  Ilia;

                      It sounds like your head MAY be repairable.If 
not,depending on the mileage on the current engine and your desires,I have 
either a good used 535i head,or a complete used e28 535i engine, factory 
rebuilt only 60K ago, from one of the cars we dismantled at the shop here 2 
weeks ago.
            Let me know if either of these or other parts may help,as I have 
a large inventory of e28 parts here.



                                o/______\o "RA"/Bob G.
                                (Oo=00=oO) BMWCCA# 5217
                                []=****=[]









>From: Ilia Zharkov <zharkov@domain.elided>
>To: bmw-digest@domain.elided
>Subject: Re: '87 535i Oil in coolant
>Date: Mon, 7 May 2001 00:58:23 -0400 (EDT)
>
>Hi guys,
>Thanks a lot for your replies.
>
>  I have taken the head off. Here is what I
>see. The gasket appears to be
>defective in a couple of places. Since I never saw a blown gasket it is
>not clear whether mine is realy bad. On the other hand there are bad
>news. I
>have noticed two hearline cracks from the bolt hole towards both nearest
>coolant passages. The bolt is on the passenger side between #4 and #5
>cylinders
>where there is one of the two small bushings (I think, those are supposed
>to help installing
>the gasket and the head). Otherwise both the head and the block seem to be
>OK.
>
>   How fast oil can migrate through such tiny cracks, or do they become
>considerably larger when the engine is hot? In my case the rate is about 1
>qt in 5-10 hours (highway speed, no traffic, normal operating
>temperature).
>
>   Any suggestions what I can do with the car besides replacing the motor
>(I guess, it would cost about the same as the car's street price).
>
>  Thanks a lot.
>  Ilia.
>
>  > Hi guys,
> > This is the story. I got the car ('87 535is) in last November. Since it
>is
> > getting warmer I decided to check coolant and was shocked. The expansion
> > tank was filled with some viscous liquid of beige color which smelled
>like
> > engine oil. And not just a couple of drops, I pumped out about 2 quarts
>of
> > this oil.
> >  So the question is how oil can get into the coolant (cracks in cylinder
> > or bad seal in gaskets). Another possibility (much more preferred) is
>that
> > the previous owner put some by mistake. The oil level in the engine does
> > not seem to be lower, and even if it is, then not a lot.
> >  Also I had problems with heating during the cold winter. It worked
>rather
> > intermittently. Could this be related to the oil, say, clogging thermo
> > switch or something.
> >  Thanks,
> > Ilia Zharkov.
>--
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