E30 Idles, Sputters Then Dies - BMW Forum - BimmerWerkz.com
3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

 
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#1 (permalink) Old 06-13-2005, 01:59 PM
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My 90 e30 has been acting up again. This time the engine light's coming on. When I am at stoplights the engine will chug a little then die on me. When I try to accelerate it sputters a lot then barely goes. I looked for the obvious--vacuum leaks etc. and found nothing. I've had the timing belt, fuel pump/filter and full tune up done w/in 3K miles.

Car revs great when in neutral. The problem seems to have gotten progressively worse.

Just wanting to get an idea of what the prob could be before I take it to the import repair shop and get molested.

Thanks!
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#2 (permalink) Old 06-13-2005, 06:16 PM
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Have you had the ignition system checked?

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#3 (permalink) Old 06-14-2005, 07:46 AM
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yeah i've had the plugs, cap, wires and rotor changed in the tune-up if that's what you are asking.
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#4 (permalink) Old 06-14-2005, 02:03 PM
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my friends is somewhat like that when goimng back to idle. but dosnet die all the time.i was thinkin it was the valves, they sometimes need to be adjusted. which i heard.

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#5 (permalink) Old 06-14-2005, 03:20 PM
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what makes me think that it is electrical is that the car will run fine for a few then it seems like the engine cuts out and the engine light pops on for a sec. Who knows. I am going to bit the bullet and let the dealer look at it.
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#6 (permalink) Old 06-15-2005, 08:41 PM
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You said that in neutral, the car idles/revs fine? I'm going to assume that this is an automatic transmission E30? Your lockup clutch or other transmission clutches might be catching or worn/stuck. That might be something to look at. If it is an auto, when was the last time she was flushed and refilled? Just a few shots in the dark, hope they help.

If the engine lurches, dies, and catches again, the sudden drop in revs can trigger the oil pressure/engine warning light, which will stay on until you turn it off and restart it.

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#7 (permalink) Old 06-15-2005, 09:52 PM
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since your engine light comes on im going to assuming that it would be the air fuel mixture causing the light to come on, so it could be a poorly adjusted AFM sounds exactly the same as the problem i had. also could be a multitude of other things... fuel presure, ignition, the list goes on... if you could get an engine code off it that would be awsome.

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#8 (permalink) Old 04-03-2008, 03:07 PM
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soz to bump up an old thread, but having similar probs with my 320i 1989 auto, its fine in park but when idle in drive the rev counter is up and down, sometimes dropping so low it cuts out, its started to shudder in idle and drag on acceleration now......stinking like its flooding....any ideas?
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#9 (permalink) Old 04-07-2008, 12:32 AM
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I am having the same problem with my 91 318is but it is a stick and not an auto. I had to replace the engine when i bought it so i changed the plugs so i would guess thats not it and will be running test and stuff at the shop i work at tomorrow so if ppl have more ideas shoot them this way lol and i will do the same if i fing ne thing and thanks already those are some good ideas to check out first so thanks
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#10 (permalink) Old 06-08-2008, 02:24 AM
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Did you get to the bottom of your problem
Daughter has a 1993 - 318, has had a bit of a hunt at idle for past year, since she brought it. today it started ti misfire and then cut out. restarts straight away but often misfires again. any advice before getting to a diagnostice shop would be helpful
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#11 (permalink) Old 06-08-2008, 10:12 AM
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Originally Posted by peterdix View Post
Did you get to the bottom of your problem
Daughter has a 1993 - 318, has had a bit of a hunt at idle for past year, since she brought it. today it started ti misfire and then cut out. restarts straight away but often misfires again. any advice before getting to a diagnostice shop would be helpful
when was last tune-up?

hunt at idle is usually attributed to leaks in your intake, an AFM problem(maybe just dirty), or idle control valve not doing it's job right.
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#12 (permalink) Old 06-08-2008, 05:32 PM
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#13 (permalink) Old 06-08-2008, 08:01 PM
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Originally Posted by moetinger View Post
My 90 e30 has been acting up again. This time the engine light's coming on. When I am at stoplights the engine will chug a little then die on me. When I try to accelerate it sputters a lot then barely goes. I looked for the obvious--vacuum leaks etc. and found nothing. I've had the timing belt, fuel pump/filter and full tune up done w/in 3K miles.

Car revs great when in neutral. The problem seems to have gotten progressively worse.

Just wanting to get an idea of what the prob could be before I take it to the import repair shop and get molested.

Thanks!
how was condition of fuel filter when u changed?... dirty? if yes, suspect clogged injectors. OR,

defective CAT. Partially clogged CAT converters that in effect restrict exhaust flow will cause the symptoms you complain of.
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