Misfire- Am I i the clear now?

Simple5 · 04-18-2012, 01:38 AM

CLIFFS:

Had a misfire code on cylinder 3
Replaced all spark plugs and code still showed up again with SES light
Swapped out coil pack 2 and 3 and the code followed over to cylinder 2
Replaced all coil packs

Started up the car and it idles rough again. The SES light also came on with the same code. Started driving the car and after the car had warmed up the car started running good again so I pulled over and cleared the code.

Did 1/2 hour worth of driving with several WOT pulls and usually the code would come back but it did not. So my question is was the car just adapting to the new coils and that is why it threw the SES at the initial startup after installation?

Anyone who has had experience with this please chime in.

Thanks!

Beemw335 · 04-18-2012, 01:51 AM

If its gone now, why break your head over it.
If it comes back look into injectors, but for now enjoy the car.

GeorgiaTech335coupe · 04-18-2012, 01:57 AM

Misfire monster never goes away, he just goes to sleep for a while. Hopefully, he will sleep for a long time.

Mine is beginning to wake up again...

Simple5 · 04-18-2012, 02:42 AM

Just took the car for another run and I am still getting the 29cf cylinder 3 misfire code. Can the cylinder 3 injector gone bad? Fresh plugs and coils...what i don't get is when i moved coil pack 3-2 the code followed to cylinder 2 so I replaced all coil packs.. is it possible that I got a bad new coil pack on the same cylinder?!?!

Simple5 · 04-18-2012, 09:04 PM

Just scored a couple of used injectors off flea bay for dirt cheap and going to swap out cylinder 3 injector and see if that works. Also purchased a coding cable off flea bay too if it is the injectors we will get practice removing and installing then I will pull the trigger on all 6 new injectors and learn how to code at the same time..

Oh.. btw... F@CK YOU MISFIRES!!!!

Lulz_M3 · 04-18-2012, 11:48 PM

i think i read somewhere that used injectors are not a good idea, something about the injector pintle shouldn't be exposed for more than 15 minutes. Also, make sure you order new decoupling elements to replace with the injectors.

Simple5 · 04-19-2012, 12:39 AM

Quote:

Originally Posted by Lulz_M3

i think i read somewhere that used injectors are not a good idea, something about the injector pintle shouldn't be exposed for more than 15 minutes. Also, make sure you order new decoupling elements to replace with the injectors.

Thanks dude for the feedback... these are more like a test bed. If it takes care of my misfire problem but craps out within a few thousand miles I will then change them all with new ones and know how to do it without screwing up a new injector.

Lulz_M3 · 04-19-2012, 08:05 AM

What year is your E90? have you checked with the dealer to see if any injectors would be covered under the recall? I think '08 and some '09 MY are affected. Nothing beats free, other than the techs not coding the injectors properly...

tscdennab · 04-19-2012, 08:19 AM

What tune are you using and what is the maximum boost ? Also, what RPMs did the misfires happen ? What is the boost at those RPMs ?

Simple5 · 04-19-2012, 03:53 PM

Quote:

Originally Posted by Lulz_M3

What year is your E90? have you checked with the dealer to see if any injectors would be covered under the recall? I think '08 and some '09 MY are affected. Nothing beats free, other than the techs not coding the injectors properly...

Trust me bro, i tried but they said my year wasnt included in the recall. I wish.

Simple5 · 04-19-2012, 04:02 PM

Quote:

Originally Posted by tscdennab

What tune are you using and what is the maximum boost ? Also, what RPMs did the misfires happen ? What is the boost at those RPMs ?

I have a Jb4 and the misfire happens with tune on or off. Happens on startup (the ses light will come on with shaking and the car idling like a freaking wrx). Sometimes it does not happen and i drive it around and all of a sudden sea light will Appear at normal cruising or at wot and even feathering the throttle. Car rattles and when i pull the code its the cylinder 3 misfire code.

If this thing starts becoming a money pit im going to trade it in for a new f30 335i or a e93 m3 (supercharged of course).

e92phreak · 04-19-2012, 04:06 PM

Could also be bad spark plugs or ignition coil. Hopefully the used injectors are still decent.

Simple5 · 04-19-2012, 04:18 PM

Quote:

Originally Posted by e92phreak

Could also be bad spark plugs or ignition coil. Hopefully the used injectors are still decent.

Brand new plugs and brand new coils so now its narrowed down to injectors. Im hoping that it solves the problem... anyone know how long i can drive around with injectoes uncoded?

saxon · 04-19-2012, 05:56 PM

Could also be your intake valves are gunked up

04-18-2012, 01:38 AM	#1
Simple5 Major 383 Rep 1,453 Posts Drives: F90 M5 and E84 X1 Xdrive35i Join Date: Jul 2011 Location: USA iTrader: (8)	Misfire- Am I i the clear now? CLIFFS: Had a misfire code on cylinder 3 Replaced all spark plugs and code still showed up again with SES light Swapped out coil pack 2 and 3 and the code followed over to cylinder 2 Replaced all coil packs Started up the car and it idles rough again. The SES light also came on with the same code. Started driving the car and after the car had warmed up the car started running good again so I pulled over and cleared the code. Did 1/2 hour worth of driving with several WOT pulls and usually the code would come back but it did not. So my question is was the car just adapting to the new coils and that is why it threw the SES at the initial startup after installation? Anyone who has had experience with this please chime in. Thanks!
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04-18-2012, 01:51 AM	#2
Beemw335 Colonel 62 Rep 2,013 Posts Drives: 335i Join Date: Mar 2011 Location: My car is my home iTrader: (2)	If its gone now, why break your head over it. If it comes back look into injectors, but for now enjoy the car.
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04-18-2012, 01:57 AM	#3
GeorgiaTech335coupe Lieutenant Colonel 81 Rep 1,883 Posts Drives: Black BMW 335i coupe Join Date: Mar 2007 Location: USA iTrader: (0)	Misfire monster never goes away, he just goes to sleep for a while. Hopefully, he will sleep for a long time. Mine is beginning to wake up again... __________________ Legal Disclaimer: Anything I or anyone else says about my vehicle on this website(e90post.com or any affiliated or nonaffiliated sites), pertaining to modifications, is only to gain acceptance from my/our peers, and does not actually represent anything actually existing on my car, and thus, cannot be held against me in any issues, i.e. warranty claims, that may arise.
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04-18-2012, 02:42 AM	#4
Simple5 Major 383 Rep 1,453 Posts Drives: F90 M5 and E84 X1 Xdrive35i Join Date: Jul 2011 Location: USA iTrader: (8)	Just took the car for another run and I am still getting the 29cf cylinder 3 misfire code. Can the cylinder 3 injector gone bad? Fresh plugs and coils...what i don't get is when i moved coil pack 3-2 the code followed to cylinder 2 so I replaced all coil packs.. is it possible that I got a bad new coil pack on the same cylinder?!?! Last edited by Simple5; 04-18-2012 at 03:01 AM..
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04-18-2012, 09:04 PM	#5
Simple5 Major 383 Rep 1,453 Posts Drives: F90 M5 and E84 X1 Xdrive35i Join Date: Jul 2011 Location: USA iTrader: (8)	Just scored a couple of used injectors off flea bay for dirt cheap and going to swap out cylinder 3 injector and see if that works. Also purchased a coding cable off flea bay too if it is the injectors we will get practice removing and installing then I will pull the trigger on all 6 new injectors and learn how to code at the same time.. Oh.. btw... F@CK YOU MISFIRES!!!!
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04-18-2012, 11:48 PM	#6
Lulz_M3 Banned 33 Rep 1,029 Posts Drives: AW 335i 6MT Join Date: Oct 2011 Location: Jax, Fl iTrader: (0)	i think i read somewhere that used injectors are not a good idea, something about the injector pintle shouldn't be exposed for more than 15 minutes. Also, make sure you order new decoupling elements to replace with the injectors.
	Appreciate 0 Quote

04-19-2012, 08:05 AM	#8
Lulz_M3 Banned 33 Rep 1,029 Posts Drives: AW 335i 6MT Join Date: Oct 2011 Location: Jax, Fl iTrader: (0)	What year is your E90? have you checked with the dealer to see if any injectors would be covered under the recall? I think '08 and some '09 MY are affected. Nothing beats free, other than the techs not coding the injectors properly...
	Appreciate 0 Quote

04-19-2012, 08:19 AM	#9
tscdennab Banned 156 Rep 1,809 Posts Drives: BMW 335i Join Date: Oct 2010 Location: Europe iTrader: (0) Garage List 2008 BMW [6.24]	What tune are you using and what is the maximum boost ? Also, what RPMs did the misfires happen ? What is the boost at those RPMs ?
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04-19-2012, 04:06 PM	#12
e92phreak General 392 Rep 21,745 Posts Drives: E92 335i TiAg/E46 323i TiAg Join Date: Mar 2007 Location: CA iTrader: (1) Garage List 2007 E92 335i [9.50] 2000 E46 323i [0.00]	Could also be bad spark plugs or ignition coil. Hopefully the used injectors are still decent. __________________ 07 E92 335i \| TiAg \| Step \| Padl \| Cmft \| Alum Trm \| PDC \| Nav \| Assist \| Sat \| Lthr \| Prem \| Sprt \| Rear Splr \| RDSport Quads \| iPod \| V1 \| LT Refl \| VS Clear Bra \| OEM Lip \| KWV2 \| Mtec Sides \| BBS LM-R 00 E46 323i \| TiAg \| 5sp \| Sport \| Roof \| RDSport Cams \| RDSport tune \| RDSport Shift \| Volk LE37 \| M3 spoiler \| PSS9 \| SuperSprint \| Brembo
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04-19-2012, 05:56 PM	#14
saxon Captain 218 Rep 880 Posts Drives: s4 Join Date: Oct 2011 Location: pa iTrader: (3)	Could also be your intake valves are gunked up
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