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Running Rough - Then OK
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m78



Joined: 14 Nov 2001
Posts: 2807
Location: In the great midwest

PostPosted: Thu Jul 12, 2012 9:07 am    Post subject: Reply with quote

Does it start fairly quickly?

Have you checked the alternator belt for tightness?
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Lachssilber Metallic 203 1988 325i sedan with 200,xxx miles

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cjhsa



Joined: 10 Jun 2004
Posts: 325
Location: West Michigan

PostPosted: Thu Jul 12, 2012 10:27 am    Post subject: Reply with quote

Yes it almost always starts right up. The belts are brand new - just replaced.

You think it could be the battery? Maybe after a few minutes it gets charged up enough by the alternator and the problem goes away?

I'm at a loss.
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tncean



Joined: 26 Feb 2005
Posts: 1652
Location: Chattanooga, Tn.

PostPosted: Thu Jul 12, 2012 10:58 am    Post subject: Reply with quote

Have you cleaned the screen, flap, etc, in the afm? Clean with carb/fi cleaner or rubbing alcohol. Access the interior screen by cutting "cover" sealant with box cutter, pop out lid with small screwdriver. Re-seal lid with RTV silicone.
Clean flap hinges with toothbrush, then a dab of either wd-40 or lithium grease on spring/hinges.

It sounds like something is "sticking" or "flatspotting" under certain loads?

Try googling "Bosch AFM Montronic for Porsche 944" for more info on afm. There's even a youtube on it.

I understand rough running/idle problems from afm are usually in the "lower" loads/rpm ranges.

tncean
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cjhsa



Joined: 10 Jun 2004
Posts: 325
Location: West Michigan

PostPosted: Thu Jul 12, 2012 11:08 am    Post subject: Reply with quote

tncean wrote:
Have you cleaned the screen, flap, etc, in the afm? Clean with carb/fi cleaner or rubbing alcohol. Access the interior screen by cutting "cover" sealant with box cutter, pop out lid with small screwdriver. Re-seal lid with RTV silicone.
Clean flap hinges with toothbrush, then a dab of either wd-40 or lithium grease on spring/hinges.

It sounds like something is "sticking" or "flatspotting" under certain loads?

Try googling "Bosch AFM Montronic for Porsche 944" for more info on afm. There's even a youtube on it.

I understand rough running/idle problems from afm are usually in the "lower" loads/rpm ranges.

tncean


No I have not tried that and being that a new/reman one costs about $650 minimum for my '84 I'm not sure I want to risk it.
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tncean



Joined: 26 Feb 2005
Posts: 1652
Location: Chattanooga, Tn.

PostPosted: Thu Jul 12, 2012 1:25 pm    Post subject: Reply with quote

I suggest looking at the youtube video, then making a decision.

t
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m78



Joined: 14 Nov 2001
Posts: 2807
Location: In the great midwest

PostPosted: Thu Jul 12, 2012 7:22 pm    Post subject: Reply with quote

you should be able to find a used known working one just to eliminate that as a possibility. I've seen them for $50 or so.

.
.
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cjhsa



Joined: 10 Jun 2004
Posts: 325
Location: West Michigan

PostPosted: Mon Jun 09, 2014 10:22 am    Post subject: Reply with quote

Well, last year the steering rack gave out and I have not driven the car. Revisiting this, I see my comment about the cost of the MAF sensor. Looking at Rockauto and other sites, I don't understand why I came up with that number. Cardone models go for around $150, and nobody is selling more than one type for the 1984 325e.

I seem to recall, however, that there was a cutoff date for the MAF model required. I think mine is the older one, as the car was built in May of 1984. Anyone else recall this info?
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cjhsa



Joined: 10 Jun 2004
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Location: West Michigan

PostPosted: Tue Aug 19, 2014 11:57 am    Post subject: Reply with quote

Anyone want to make an offer on my car?
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cjhsa



Joined: 10 Jun 2004
Posts: 325
Location: West Michigan

PostPosted: Sun Aug 24, 2014 3:00 pm    Post subject: Reply with quote

So I started the car today. First time in too long. It fired right up without complaint. I backed it outband tried turning while stopped. The rack groaned and whined, then, it STOPPED that and started working!! No PSF leak or bubbles in the tank! It's magic I tell ya.

And the car didnt stall either. But the blinkers dont work. You can operate them manually but otherwise the lights come on the dash but dont blink. Same with the hazards.

Never ending. And where is everybody?
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85-325e



Joined: 30 Jun 2002
Posts: 4710
Location: Southampton, NY

PostPosted: Sat Sep 13, 2014 1:30 pm    Post subject: Reply with quote

Here sometimes! I had to move and where I ended up, I don't have a garage and the environment is eating the car up... It's so disturbing!

How are ya?
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Cosmo - 1985 BMW 325e, Single Owner, 235,000+ ORIGINAL miles and still going strong!

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