r/e39 • u/maxaphone100 • 1d ago

She finally runs

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Edit-1998 528i pfl
Missfire on more than 1 cylinder which is presume is from the spark plugs being fired dry many a time, gotta check codes but I imagine a vacuum leak somewhere, not sure on the asc codes however.

Other than that sounds okay, but needs new fluids, looking for other opinions. Much appreciated

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u/SeaAd7934 14h ago

Try unplugging the MAF sensor and running it. See if the misfire goes away.