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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications > bmw n20 misfires
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      12-15-2018, 12:34 PM   #1
Feikzor
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bmw n20 misfires

Hello all. My bmw misfires. My mods were an afe intake and ecu reprogram.
After i find that my bmw misfires i return the car at stock options. Stock intake Stock ecu.
The car still misfires. I changed all my coils, my fuel injectors and my spark plugs and the car misfires again. Any ideas?
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      12-16-2018, 12:26 AM   #2
RMachuca3d
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Get a obd2 reader and pull the codes, unless its not severe enough for the dme to register a fault.
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      12-16-2018, 04:40 AM   #3
Feikzor
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it doesn't have any faults. Anyone have this issue again?
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      12-17-2018, 01:00 PM   #4
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When was the last time you refuel any chance water got in the gas or you used an additive
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