E90Post
 


N54Tuning.com
 
BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Constant Cylinder 6 missfire



Reply
 
Thread Tools Search this Thread
      04-05-2016, 03:13 AM   #1
artsoasis
Lieutenant
United_States
37
Rep
458
Posts

Drives: 2011 BMW 335is
Join Date: Jul 2011
Location: San Antonio, TX

iTrader: (2)

Constant Cylinder 6 missfire

Im getting a constant cylinder 6 misfire at WOT above 6k rpms in 3 and 4th gears. I have tried changing plugs to brand new ones (NGKs gapped at .018) new coil packs, and even swapped injectors. Nothing seems to get rid of the missfire that happens right above 6k rpms on cylinder 6

I even did a compression Test and all cylinders showed 150.

My car is a 2011 335is DCT with port injection, upgraded turbos, port injection, stage 3 fuel pump and all supporting mods.


What can it be?

Logs attached: http://www.datazap.me/u/artsoasis/v7...10-11-12-13-22

Engine is basically new with only 2,000 miles.
Appreciate 0
      04-05-2016, 06:22 AM   #2
jtswole
Second Lieutenant
23
Rep
287
Posts

Drives: 335i
Join Date: Mar 2014
Location: FL

iTrader: (0)

Did you leak down?
__________________
Cam only...
Appreciate 0
      04-05-2016, 06:40 AM   #3
hellokitty
hello kitty oke ?
hellokitty's Avatar
United_States
17
Rep
108
Posts

Drives: 2012 335iS
Join Date: Jul 2010
Location: US

iTrader: (0)

sub
__________________
MHD E50 by Jake@MOTIV / RB Inlets / Fuel-It! Stage 2 / BMS OCC / RB PCV / N20 / VRSF DCI / VRSF 7" FMIC / VRSF DP / ER CP & Tial BOV / Michelin PSS
Appreciate 0
      04-05-2016, 06:50 AM   #4
Flex68
Captain
Flex68's Avatar
35
Rep
798
Posts

Drives: E92 335i
Join Date: Mar 2015
Location: Australia

iTrader: (0)

That's very very strange ....unless it's just a defect from factory ?
Appreciate 0
      04-05-2016, 07:00 AM   #5
artsoasis
Lieutenant
United_States
37
Rep
458
Posts

Drives: 2011 BMW 335is
Join Date: Jul 2011
Location: San Antonio, TX

iTrader: (2)

Leak down is next
Appreciate 0
      04-05-2016, 08:02 AM   #6
jtswole
Second Lieutenant
23
Rep
287
Posts

Drives: 335i
Join Date: Mar 2014
Location: FL

iTrader: (0)

Hopefully it wasn't a motor from a water salvaged car lol.
__________________
Cam only...
Appreciate 0
      04-05-2016, 08:07 AM   #7
artsoasis
Lieutenant
United_States
37
Rep
458
Posts

Drives: 2011 BMW 335is
Join Date: Jul 2011
Location: San Antonio, TX

iTrader: (2)

It has a 3 year parts and labor warranty. Carfax report shows vehicle totaled due to an accident. The issue that is happening seems to be one of those rare issues that happens once in a blue moon.
Appreciate 0
      04-05-2016, 08:31 AM   #8
bigdnno98
Lieutenant Colonel
bigdnno98's Avatar
United_States
58
Rep
1,523
Posts

Drives: 335is DCT
Join Date: Jul 2011
Location: Clarksville, TN

iTrader: (8)

Valve cleaning done?
__________________
99 Eclipse GSX 600HP Sold
03 EVO 8 600HP Sold
09 e92 335i 440hp Sold
11 335is DCT, collecting parts......
Appreciate 0
      04-05-2016, 08:33 AM   #9
bigdnno98
Lieutenant Colonel
bigdnno98's Avatar
United_States
58
Rep
1,523
Posts

Drives: 335is DCT
Join Date: Jul 2011
Location: Clarksville, TN

iTrader: (8)

Flywheel issues like the high HP DMFW manual cars maybe? Not a whole lot of high HP DCT cars. Wonder if he others have high RPM misfire issues? I don't think a DCT has a DMFW though.
__________________
99 Eclipse GSX 600HP Sold
03 EVO 8 600HP Sold
09 e92 335i 440hp Sold
11 335is DCT, collecting parts......
Appreciate 0
      04-05-2016, 09:20 AM   #10
artsoasis
Lieutenant
United_States
37
Rep
458
Posts

Drives: 2011 BMW 335is
Join Date: Jul 2011
Location: San Antonio, TX

iTrader: (2)

Quote:
Originally Posted by bigdnno98 View Post
Flywheel issues like the high HP DMFW manual cars maybe? Not a whole lot of high HP DCT cars. Wonder if he others have high RPM misfire issues? I don't think a DCT has a DMFW though.
I've ran this much HP (600WHP) before on DCT and have had no issues.

Engine only has 2,000 miles and valves where spotless.

I have heard over torqued transmission bolts could also cause a misfire.
Appreciate 0
Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -4. The time now is 01:51 AM.




e90post
e90post
Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2016, Jelsoft Enterprises Ltd.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST