BMW 3-Series (E90 E92) Forum - View Single Post

Aragorn30d · 04-29-2016, 08:06 AM

The increased boost makes the mixture harder to ignite, so can highlight a coil or plug that was marginal before.

Giving it a fresh set of plugs is probably a good idea anyway, and as above, swap the coil around and see if the fault moves.

04-29-2016, 08:06 AM	#3
Aragorn30d Lieutenant Colonel 175 Rep 1,596 Posts Drives: E90 330d Join Date: Mar 2015 Location: Fife iTrader: (0)	The increased boost makes the mixture harder to ignite, so can highlight a coil or plug that was marginal before. Giving it a fresh set of plugs is probably a good idea anyway, and as above, swap the coil around and see if the fault moves.
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