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Jeff@TopGearSolutions · 10-10-2014, 03:15 PM

What did the old spark plugs look like?

Were any fouled with fuel, if you didn't look, pull out the new spark plugs and look to see if any are fouled with fuel; that would be an indication you have a leaky injector.

10-10-2014, 03:15 PM	#4
Jeff@TopGearSolutions 3442 Rep 79,211 Posts Drives: C6 Z06, 09 335i, 10 335xi Join Date: Dec 2008 Location: www.TopGearSolutions.com iTrader: (37)	What did the old spark plugs look like? Were any fouled with fuel, if you didn't look, pull out the new spark plugs and look to see if any are fouled with fuel; that would be an indication you have a leaky injector.
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