Misfire same cylinder changed everything

RSL · 07-25-2017, 08:57 AM

Quote:

Originally Posted by e92335xi

Gonna get a third gear soon. Timing is flatlining post shift. I have a JPworks 6266 kit in my garage help me fix this haha I got you on a paypal gift or something

It's cool, I'll help how I can, no need. Tuning can take care of post-shift flat-line/bog, but I'm DCT and haven't really had to deal with it. Tuning will change on a ST anyway, so I'd just make sure basic maintenance is done, any known hardware/sensor issues are sorted and the car is essentially running well.

Quote:

Originally Posted by e92335xi

If you don't mind when you get a chance text me 2248295028 I want to send a few pics of my engine bay

OK

CoolHandLuke · 07-25-2017, 06:15 PM

Quote:

Originally Posted by RSL

It's cool, I'll help how I can, no need. Tuning can take care of post-shift flat-line/bog, but I'm DCT and haven't really had to deal with it. Tuning will change on a ST anyway, so I'd just make sure basic maintenance is done, any known hardware/sensor issues are sorted and the car is essentially running well.

OK

sorry not trying to set us back here but what'd you use to log and upload the data? I didn't log my 335 because it was just a tune but now I'm chasing a misfire with e60. I was also running wicked rich. All I have is N55 COBB and MHD app. Hoping one of these will suffice...

RSL · 07-25-2017, 07:17 PM

Quote:

Originally Posted by CoolHandLuke

sorry not trying to set us back here but what'd you use to log and upload the data? I didn't log my 335 because it was just a tune but now I'm chasing a misfire with e60. I was also running wicked rich. All I have is N55 COBB and MHD app. Hoping one of these will suffice...

Either will work, but MHD is probably easier, can upload to datazap right from the phone. If you just changed to E60 and it started, could just be plugs depending what the change in cylinder temp/pressure was (power increase).

avityvan · 04-08-2019, 05:02 PM

I have a similar problem but mind is on cylinder 2 misfire. I replaced all spark plugs and coils and injector 2 but the car still have the same issues with rough idling. I pulled out coil#2, the engine didn't change at all.

I still have the combustion misfire cylinder 2

Help, much appreciated!

MysticRob · 04-08-2019, 05:52 PM

Quote:

Originally Posted by avityvan

I have a similar problem but mind is on cylinder 2 misfire. I replaced all spark plugs and coils and injector 2 but the car still have the same issues with rough idling. I pulled out coil#2, the engine didn't change at all.

I still have the combustion misfire cylinder 2

Help, much appreciated!

Compression test. Verify wiring to coil.

thormessiah · 11-23-2020, 12:16 AM

Quote:

Originally Posted by e92335xi

best log I was able to get http://datazap.me/u/tomhondros/misfire-4

Were you Able to find out what was the root of the problem?

Ozzie335i · 11-23-2020, 08:24 AM

His last activity here was in 2018. Maybe he gave up on the car.

f87king · 11-02-2022, 05:43 AM

Quote:

Originally Posted by Ozzie335i

His last activity here was in 2018. Maybe he gave up on the car.

just saw this thread lol! I sold that car, majority of my issues were cuz I was using EMP tuning. Shit tuner who just used wedge base maps for everything. Went to a 135i next on 17ts. Then an M4 fbo e85. Then a single turbo M2 comp. then a built motor 1000whp Audi TTRS (current) and I also have a 6mt 340i right now. Been a busy few years 😂 also shouts out the dude who was helping me. Looking back at this thread with the knowledge I have now. That dude is a wizard

f87king · 11-02-2022, 05:44 AM

Quote:

Originally Posted by RSL

Either will work, but MHD is probably easier, can upload to datazap right from the phone. If you just changed to E60 and it started, could just be plugs depending what the change in cylinder temp/pressure was (power increase).

I’m just going through old threads now and I just wanna say thank you for taking the time and troubleshooting with me all those years back. I was a 17 year old kid who was broke and learning everything from forums and youtube LOL. You really helped me outt

flyingspirit55 · 10-03-2023, 11:31 AM

Having same issue, always #6 misfire, mine is tuned, no issues on mhd stage 0, who did your tune to fix the issue? Please message me the tuners info.

flyingspirit55 · 10-04-2023, 08:29 PM

Quote:

Originally Posted by flyingspirit55

Having same issue, always #6 misfire, mine is tuned, no issues on mhd stage 0, who did your tune to fix the issue? Please message me the tuners info.

Anyone know which tuner he used? I see his activity log was some time ago.

RMerheb · 01-18-2024, 04:47 AM

hello my bmw is misfiring ive changed the whole engine, the coils, the spark plugs, and the injectors and it still misfires sometimes in idle it start jumping and sometimes while driving it wont even rev up it just makes popping noise and sometimes when u barely press the pedal the misfires goes a bit but if u press the accelerator all the way in it misfires alot. theres a really bad fuel smell. need help asap!

04-08-2019, 05:02 PM	#70
avityvan New Member 0 Rep 14 Posts Drives: 2006 bmw 325i Join Date: Jan 2019 Location: Minnesota iTrader: (0)	E90 N52 29CE Combustion Misfire Cylinder 2 I have a similar problem but mind is on cylinder 2 misfire. I replaced all spark plugs and coils and injector 2 but the car still have the same issues with rough idling. I pulled out coil#2, the engine didn't change at all. I still have the combustion misfire cylinder 2 Help, much appreciated!
	Appreciate 0 Quote

11-23-2020, 08:24 AM	#73
Ozzie335i Lieutenant Colonel 659 Rep 1,525 Posts Drives: 2011 335i Join Date: Aug 2014 Location: DFW iTrader: (1)	His last activity here was in 2018. Maybe he gave up on the car.
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10-03-2023, 11:31 AM	#76
flyingspirit55 Private 9 Rep 52 Posts Drives: BMW 335i Join Date: Aug 2022 Location: Maryland iTrader: (0)	Having same issue, always #6 misfire, mine is tuned, no issues on mhd stage 0, who did your tune to fix the issue? Please message me the tuners info.
	Appreciate 0 Quote

01-18-2024, 04:47 AM	#78
RMerheb New Member 0 Rep 6 Posts Drives: BMW series 3 2009 coupe Join Date: Aug 2021 Location: Lebanon iTrader: (0) Garage List 2009 bmw e92 [0.00] [0.00] 2009 E [0.00]	hello my bmw is misfiring ive changed the whole engine, the coils, the spark plugs, and the injectors and it still misfires sometimes in idle it start jumping and sometimes while driving it wont even rev up it just makes popping noise and sometimes when u barely press the pedal the misfires goes a bit but if u press the accelerator all the way in it misfires alot. theres a really bad fuel smell. need help asap!
	Appreciate 0 Quote