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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > 2012-2019 BMW 3 and 4-Series Forums > General F30 Sedan / F32 Coupe / F36 Gran Coupe Forum > Fresh outta ideas- misfire still present F32/N55
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      10-21-2019, 10:07 PM   #1
pinbacker
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Fresh outta ideas- misfire still present F32/N55

I'm beyond my repair capabilities now. I have had no luck with replacing the spark plugs and the coil on the cylinder number 5 that had been showing a misfire code. Now I'm off to the repair shop tomorrow and I hope it's not something too awful. Cause before and after the plugs and that coil were replaced I'm still getting these same codes: 140010 Misfire, several cylinders- damage to catalytic converters or damaging exhaust gas. 140510 Combustion misfire, cylinder 5: detected 140001 Misfire, several cylinders: Fuel injection is switched off 14501 Misfire cylinder 5: injection is switched off 140002 misfire, several cylinders: damaging exhaust gas after starting up 140502 misfire, cylinder 5: Damaging exhaust gas after starting up.

Fuel injector perhaps?
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      01-11-2020, 03:29 PM   #2
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Did you ever figure out what the issue was? I am having a lot of the same issues on my cylinder 4.
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      01-11-2020, 07:16 PM   #3
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Sounds like fuel injector... had the same issue on an n20 motor of a friends same exact codes
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