On my 87' 325is when I accelerate flat out I usually get a hiccup or two on the upper end of the tach ( 4-5 k rpm). Is this normal for e30s? If not any ideas?
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Hiccup as in misfire?
How old is your ignition system?
Cap/Rotor/Plugs/Wires.
When was the fuel system serviced? Fuel filter replaced?
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Not normal
most likely due to something failing in the spark ignition system
I had an issue in the past of higher RPM hiccups and it was due to a fouled plug..
I'd start by pulling each plug and checking for built up shit on the tip.Current Collection: 1990 325is // 1987 325i Vert // 2003 525i 5spd // 1985 380SL // 1992 Ranger 5spd // 2005 Avalanche // 2024 Honda Grom SP // 2024 Yamaha XSR700 // 2024 Jeep Gladiator Rubicon
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AFM can do that, too...
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now, sometimes I just mess with people. It's more entertaining that way. george gravesComment
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