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      12-02-2012, 07:56 PM   #12
Eric335's Avatar
Drives: 2007 E92 SG 335i 6MT
Join Date: Apr 2011
Location: SW Florida

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2007 BMW 335i  [3.83]
Originally Posted by ptwob311
codes reveal misfire on cylinder 4. new plugs are enroute...
Good choice. I recommend ordering an ignition coil as well (fairly cheap, $47) to have on hand. I replacrd my plugs 100 miles ago to fix a misfire and it worked until last week, where it reappeared in cylinder 5 only. Then yesterday i replaced my Cylinder 5 ignition coil and it solved all the stuttering/misfires that had reappeared.

Just my $0.02. It might just be ur plugs, but its always nice to have an extra coil on hand in case you start having misfires on only a single cylinder.

PS-Do you have the spark plug socket tool? You need this in order to replace the plugs yourself. Its like $19.99 from BMS
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