2003 BMW 318i misfire with fuel cut off

2003 BMW 318I
125,000 MILES
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FENO
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roughly 6months ago the eml came on whilst driving and the car noticibly lost power and became lumpy,when i got it checked on diagnostic computer it showed as misfire on cylinder 2 and 3 with a fuel cut off.we replaced said coil packs on cylinder 2 and 3 along with plugs which solved the problem but again roughly 2/3 months later same thing happens again.done all the checks again and this time it was a misfire on multi cylinders with fuel cut off.any advice because its really annoying me now:-)
Nov 9, 2013 at 3:32 AM
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DOCHAGERTY
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First action is to scan for fault codes and report back
Nov 11, 2013 at 6:51 AM
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FENO
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The two error codes showing this time are P1341 and P1345
Nov 11, 2013 at 1:36 PM
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DOCHAGERTY
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Generically extracted codes are meaningless, you will need to see someone that has the proprietary BMW scan tool
Nov 16, 2013 at 7:46 AM