BMW 3-Series (E90 E92) Forum - View Single Post - Rough idle/missing after spark plug change

ENINTY · 08-05-2009, 11:35 AM

It's possible one of the new plugs is bad. Try re-installing the old plugs and see if the problem goes away. If it does, then replace the old plugs one at a time with the new plugs until you find the bad, new plug.

08-05-2009, 11:35 AM	#4
ENINTY Banned 173 Rep 3,415 Posts Drives: 2006 325i Sport Join Date: Jun 2006 Location: Virginia iTrader: (0)	It's possible one of the new plugs is bad. Try re-installing the old plugs and see if the problem goes away. If it does, then replace the old plugs one at a time with the new plugs until you find the bad, new plug.
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