95 318is cold running observations - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 12-12-2008, 10:25 AM
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95 318is cold running observations

So it goes like this:

Since it's been cooling off, when the temperature starts to hit around +5C in the morning, when I would start the car it would start no problem. It revs up to 1800rpm then starts to settle into the idle rpm of around 700-1000rpm.

Now what will happen is when it goes to settle it'll putter out. When I put my foot on the gas and hold it at 1800rpm for a few sec's it then settles to standard idle and is fine. It always starts, no problem.

When it got colder I have had to hold for longer until it stays. Ideas?

As well when I am stopped at light there are times it idles at 1100 to 900 rpm. 70% of the time my rpm idle is 700-750rpm.

Appreciate the input as to what you think is my issue.

Cheers,

5
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#2 (permalink) Old 12-12-2008, 11:08 AM
OMFG another one!?
 
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I suggest making sure there's no water in the fuel, condensing on the sides of the tank when it gets cold. Keeping the tank as full as possible helps prevent this. Also, you might wanna inspect the intake boot for cracks (this was an issue on my E30).

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#3 (permalink) Old 12-12-2008, 11:55 AM
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Can you tell me more about the intake boot?
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#4 (permalink) Old 12-12-2008, 11:59 AM
OMFG another one!?
 
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Between the air filter and the intake manifold, there may be a plastic duct like section. Sometimes these have cracks form in them, and that can throw off the engine computer on the amount of air getting in.

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#5 (permalink) Old 12-12-2008, 12:02 PM
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Thanks dude, I'll defiantly check that. Hopefully it will be small fix.

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