idle fluctuates and gets stuck - BMW Forum -

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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post #1 of 1 (permalink) Old 01-16-2004, 10:57 AM Thread Starter
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bullet tooth toni is an unknown quantity at this point
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I have a 1984 318 i 4 cyclinder, automatic and when i start the car up the idle is very low @about 500rpm then when i step on the accelerater the revs go up but get stuck and doesn't come back down .I thought it might be the idle valve so i changed it but didn't make a difference, ichecked for vacum leaks but there isn't any i also replaced the idle control unit and that didn't help either. And now i noticed that the exhaust manifauld gets very hot almost red hot. What do u lot think it might be.Please let me know and put me out of my misery. Thanks.
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