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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

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Old 02-15-2005, 08:22 PM   #1 (permalink)
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Hi,

I'm having a few probs with my 318is e36. I'll try and make as much sense as i can..

Sometimes when starting from cold the engine starts ok then stalls. With some teasing it'll settle (foot on acc for 30 secs) at 800-850 rpm.
After heated up it idles at 1100rpm. Will sometimes stall when dropping revs quickly eg slowing down from high speed quickly. It's like the revs don't stop at idling speed they just continue through the floor.
Always when car heated up driving slowly eg crawling in traffic the engine will lurch all over the place with the slightest lift from the accelerator. It's as though the revs range 1000-1600 is non existent. Otherwise when driving normally, accelerating etc engine runs ok.
It has new plugs, clean air filter that i've checked so far. It has been suggested it ay be vacuum related ? but what i do about that is beyond me..
Can anyone suggest from these vague ramblings what it might be or is it off to visit local BMW garage to hook it up for diagnostic checks etc........

cheers,

davlam
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Old 02-15-2005, 08:24 PM   #2 (permalink)
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http://www.bmw-forums.com/forum/index.php?showtopic=506

heres a pdf file of cleaning. the 318 motor is lower down on the later pages

David
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Old 02-15-2005, 11:08 PM   #3 (permalink)
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your air mass meter may need replacing soon as well. Also do not put 89 or less octane in your car...use 92 or better.
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Old 02-21-2005, 06:46 PM   #4 (permalink)
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thanks guys,

i'll get on with that cleaning tomorrow and let you know how it goes..

cheers,

davlam
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Old 03-04-2005, 11:37 AM   #5 (permalink)
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hi folks,

finally got round to removing the icv.

Gave it a good clean (wasn't that dirty to be honest). Checked that the 'flap' inside is moving nice and freely and replaced. But still the same.
I have tried in vain to get the warm idle speed back down from circa.1200 rpm to about 850 rpm but no amount of tampering with 'stop' screws etc..will reduce the warm idle by any amount.
I know it's controlled by the ecu but i just wanted to see if anything could be coaxed into showing itself as the problem.
I checked the plugs visually and they look ok and the air filter is clean.
As before the car goes great guns. Just belted it down the M80 at 120 ish, and it accelerates fine its just this bloody idling and the 'kangaroo' impressions when making subtle throttle changes at between 1000 - 1500 revs, like when in slo' moving traffic..
This is starting to look as if it might be costly to eliminate everything it could be to find the solution and even more so if i have to put it into the garage.
I'll keep you informed...

cheers,

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Old 03-04-2005, 12:10 PM   #6 (permalink)
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one thing real quick is to check that breather hose on the top of the valve cover.
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Old 03-04-2005, 12:15 PM   #7 (permalink)
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Quote:
Originally posted by Delmarco@Feb 16 2005, 12:08 AM
your air mass meter may need replacing soon as well. Also do not put 89 or less octane in your car...use 92 or better.
[snapback]292730[/snapback]
did you check this yet? Sounds like it could be this to me as well..
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