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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. is the premier BMW Forum on the internet. Registered Users do not see the above ads.
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Old 11-17-2009, 03:23 PM   #1 (permalink)
Join Date: Jan 2009
Posts: 6
jeremy25 is on a distinguished road
Idle speed hunting

Hello all,
I own a 1986 325, no "i" or "e" just 325. The idle speed hunts and is progressively getting worse, from 900rpm to 2000rpms. I disconnected the
O2 sensor tryong to trouble shoot the problem and nothing changed, still hunted. Shouldn't disconnecting it stop the hunting if it is bad? The car doesn't hunt until it warms up a bit, if knowing that helps. Thanks for any help.
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