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<Misc> Valve tapping (lifters?)
Pardon the idiot question, but could someone please tell me what the problem is
with valves making tapping sounds? I've had cars which routinely make this
sound including my present, really old, 3 series. Is this just an irritation,
or does it actually mean something more dire that I have to fix? On an older
car, I thought that adjusting the tappets would help, but I was never able to
get rid of the tapping. It never gave any problems though. So what gives?