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bumpy idle at 2500rpm (archive)
[ Follow Ups ] [ 3-series (E21) Message Board ] [ Msg. Board FAQ ]
Posted by Jeff Fenn on July 28, 2001 at 18:39:16:

hey guys
see what you think of this

My 1981 320i when I put it into park and raise the rpm's to around 2500 the engine seems to have a bump in it that is some what regular. What do you think it may be. I have checked the timing, by the way are just suposed to center the pin inside the transmission site hole, and I just had the valves adjusted. I did increace the fuel air mixture to a little bit richer because my temperature was consistently high. Now the temp seems to be much lower. Any way what do you guys thing about the bump in the motor. Any ideas.

Thanks in advance

Jeff Fenn

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