323i intermittant starting - BMW Forum - BimmerWerkz.com
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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#1 (permalink) Old 09-25-2011, 03:59 PM
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323i intermittant starting

My car sometimes goes all day no problems then for no reason she turns over and will not start.I leave her a while then she starts any ideas anybody ?
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#2 (permalink) Old 09-26-2011, 03:59 PM
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Sounds like it flooding?, although i am not sure how that could happen on FI vehicles. Either that or maybe it is not getting any or enough fuel.

You could try spraying a little starter fluid in the intake when it will not crank over and try to start it to see if it turns over. (I have done it before on my car, turned out i had a bad fuel pump) Although i believe somewhere in the owners manual that it say it is not recommendd.

Also it might be worth into checking all the sensors ie MAF, CPS, and Throttle body (Mass air flow, and Crank position), as well as the fuel pressure regulator.

one last thing i found that could cause that is the DME getting wet from strong storms and automatic car washing, but i think that only affected early models, i believe 94' and earlier.

Hopefully this info will help you, good luck.
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#3 (permalink) Old 09-27-2011, 10:36 AM
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it seems more like immobilers stuck on or some sensor preventing car from starting It is after it warms up, it starts no problem when cold done 10 mile round trip came home now wont start it just turns over.
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#4 (permalink) Old 09-28-2011, 01:40 PM
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Well i don't know to much about the immobilizer system other than there are two types, but just guessing here, maybe a bad relay?
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#5 (permalink) Old 11-28-2011, 01:37 PM
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I have a similar problem with my '98 318i (stick shift). I can go months without a problem and then have the problem almost every day. I have found that most times, I can start it by depressing the clutch pedal, turning the key fully in the ignition, and then shifting through the gears. More often that not, it just starts as I am shifting randomly through the gears! There have been a few very frustrating times where it has not started for 20 minutes, and then finally, it starts. I have thought that maybe there is a safety switch that is not working properly where you must have the clutch pedal depressed before you can start the car. Anyone know if this is the case?
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#6 (permalink) Old 11-28-2011, 01:59 PM
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Beemergirl,

I think what you are going towards here is the neutral safety switch, basically it prevents the any user from starting the car in gear. I believe it was made standard for all cars starting in 90's to have.

However i am not sure if different makes switch operate differently, for example my moms Toyota Rav4 will not start unless you press the clutch pedal in, yours may not start unless it is in neutral. I am sure your car has a safety switch though.
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#7 (permalink) Old 11-28-2011, 02:33 PM
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