How to adjust timing on a 1986 320i - 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 04-05-2004, 10:43 AM
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Hi I have a 1986 320i (2000cc, 6 in line) I think those were not available in USA but I think are very similar to the 325i.
How should I time it? Idle speed? With the vacum hose on or off? Any other things or special procedure I should follow?
Thanks and regards.
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#2 (permalink) Old 04-05-2004, 03:04 PM
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What would make you think that they're similar to the 325i?


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#3 (permalink) Old 04-05-2004, 03:12 PM
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I've seen both and to me they are externally (engines) very similar, I think they even share some parts.
This one I have is not from U.S.A and may be different.
But the problem I have is that eventhough the timing seems right it sounds (knock pin??) as if timing was ahead. It makes this noise specially below 2000-2500 r.p.m. Idle speed is around 800 r.p.m.
Any help will be appreciated.
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#4 (permalink) Old 04-06-2004, 06:15 PM
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You can try to adjust the throttle. But BMW's got a computer that controls all of that. I remember that on my old car even when I try adjusting the idle still tries to default it back to the normal speed.
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#5 (permalink) Old 04-06-2004, 06:47 PM
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i can adjust the timing on my car just fine... the computer doesnt messs with anything I do to my car... sorry can't help with your question. Maybe... Mine Idles at about 950 RPM. I have my timing advanced a bit... But mines a 318i 4 cyl. prolly no hel pat all... meh

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#6 (permalink) Old 04-07-2004, 02:10 AM
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Quote:
Originally posted by Aether@Apr 5 2004, 05:44 PM
What would make you think that they're similar to the 325i?
um.... because it's an m20b20

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#7 (permalink) Old 04-07-2004, 01:59 PM
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#8 (permalink) Old 04-08-2004, 02:12 AM
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thank you, thank you.... i'll be here all week

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