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Re: 1994 bmw 740I extra burn event in spark waveform
Posted to Technical Theory Forum on 2/3/2004

[1994 BMW 740i, Ignition - Secondary Waveform] i always thought this waveform was showing a "crossfire" external of the combustion chamber , with no lean flame out "hook" up before disappearing in oscillations .

cylinder 5 kinda has a lean flame out "hook" u... Login to read more.

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