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stlrj,
Yes, the timing advance is slightly different and the idle is 880 on the later DME's instead of 800rpm. (See earlier posts in this thread.) I don't understand how that would effect smog exactly. I'm curious, what does the sticker in your engine compartment say the idle should be?
-Chris
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'80 911 Nogaro blue Phoenix!
'07 BMW 328i 245K miles!
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