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E90/E91/E92/E93 (2006 - 2013)
The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

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  #1  
Old 03-06-2013, 07:16 PM
neecer neecer is offline
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Location: Indiana
 
Join Date: Mar 2013
Posts: 10
Mein Auto: 2006 330i
Misfire Cylinder 5

Got a SEL light last week. Took it to the shop and found out I had an ignition coil pack that was bad. Total repair cost $154.00!!!!!!!
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  #2  
Old 03-06-2013, 07:18 PM
aleks001 aleks001 is online now
Aleks
Location: Brisbane, Australia
 
Join Date: Nov 2011
Posts: 488
Mein Auto: 2006 BMW 325i
If one went out the others are soon to follow. Replace them all, you can get them online for $30 ish dollars and they are very DIY friendly.
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  #3  
Old 03-06-2013, 07:24 PM
neecer neecer is offline
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Location: Indiana
 
Join Date: Mar 2013
Posts: 10
Mein Auto: 2006 330i
What causes them to go out? Mine did with absolutely no warning while driving down the highway. Not sure if it would be a good idea for me to do it since it took me at least twenty minutes in the freezing cold to figure out how to take the oil cap thing off!!!
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  #4  
Old 03-06-2013, 07:52 PM
aleks001 aleks001 is online now
Aleks
Location: Brisbane, Australia
 
Join Date: Nov 2011
Posts: 488
Mein Auto: 2006 BMW 325i
Quote:
Originally Posted by neecer View Post
What causes them to go out? Mine did with absolutely no warning while driving down the highway. Not sure if it would be a good idea for me to do it since it took me at least twenty minutes in the freezing cold to figure out how to take the oil cap thing off!!!
I think it's just the heat, but I'm not 100 sure. As far as I'm concerned they should be replaced every 60,000miles(In Australia spark plugs are replaced at 100,000 KM's) with the spark plugs.

Even if you don't want to do them yourself, buy them online and take them to an indy, he shouldn't charge you more then 30 minutes and max 1 hour to change them all.
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  #5  
Old 03-06-2013, 08:00 PM
neecer neecer is offline
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Location: Indiana
 
Join Date: Mar 2013
Posts: 10
Mein Auto: 2006 330i
I have 88,700 ish miles. They only charged me 1/2 an hour labor and 1/2 the diagnostic fee. Think the guy felt bad cause I dropped off a BMW and got an u-g-l-y mini van as a loaner. It was so old you actually had to turn the headlights in yourself! lol

Thanks for the advice. I will check in to replacing the other 5.
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  #6  
Old 03-06-2013, 08:18 PM
aleks001 aleks001 is online now
Aleks
Location: Brisbane, Australia
 
Join Date: Nov 2011
Posts: 488
Mein Auto: 2006 BMW 325i
Quote:
Originally Posted by neecer View Post
I have 88,700 ish miles. They only charged me 1/2 an hour labor and 1/2 the diagnostic fee. Think the guy felt bad cause I dropped off a BMW and got an u-g-l-y mini van as a loaner. It was so old you actually had to turn the headlights in yourself! lol

Thanks for the advice. I will check in to replacing the other 5.
Ahahha, if he charged 1/2 hour for one, he will probably charge about the same for all of them.

No problem, good luck
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  #7  
Old 03-06-2013, 08:21 PM
neecer neecer is offline
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Location: Indiana
 
Join Date: Mar 2013
Posts: 10
Mein Auto: 2006 330i
It helps when you bat your eyelashes and play helpless
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  #8  
Old 03-06-2013, 08:40 PM
aleks001 aleks001 is online now
Aleks
Location: Brisbane, Australia
 
Join Date: Nov 2011
Posts: 488
Mein Auto: 2006 BMW 325i
Looks nice I guess it helps if your female, but what the hell, I'll give it a go next time hahaha
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  #9  
Old 03-08-2013, 12:35 PM
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Saintor Saintor is offline
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Location: MTL
 
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Posts: 2,752
Mein Auto: BMW E90 2007
In cases of misfire, first change your spark plugs and then question the ignition coils.
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  #10  
Old 03-09-2013, 02:00 AM
Phil325i Phil325i is offline
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Location: UK
 
Join Date: May 2012
Posts: 175
Mein Auto: 325i E92 Coupe
Quote:
Originally Posted by Saintor View Post
In cases of misfire, first change your spark plugs and then question the ignition coils.
Wrong. First get your fault codes read, then you won't waste money on a set of plugs you don't need if your coil is at fault...
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  #11  
Old 03-09-2013, 05:49 AM
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Saintor Saintor is offline
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Quote:
Originally Posted by Phil325i View Post
Wrong. First get your fault codes read, then you won't waste money on a set of plugs you don't need if your coil is at fault...
Nope. I had 3 misfire events.

The 1st time I replaced the #2 coil.

The 2nd time I replaced a coil again (#4) but didn't fix the problem. I rushed to a auto store and had to bought an el cheap spark plug (Autolite or something) replaced it and everything was fine.

The 3rd misfire (#5), I just decided to change all the spark plugs with NGK and the problem went away.

And bonus, my engine was running much smoother at idle.

You can't go wrong by changing the spark plugs if they weren't done after 40000 miles.
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  #12  
Old 03-09-2013, 08:59 AM
Phil325i Phil325i is offline
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Location: UK
 
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Posts: 175
Mein Auto: 325i E92 Coupe
Quote:
Originally Posted by Saintor View Post
You can't go wrong by changing the spark plugs if they weren't done after 40000 miles.
Agreed.
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E92 pre-LCI 325i - Ohlins R&T; H&R spacers; M3 strut brace; Meyle HD droplinks; BMS clutch stop; BMS CDV; RE g/box mounts; Saikoumichi OCC; K&N; Cyba scoops; RM intake hose; BMW Perf Exhaust; M3 rear spoiler; LED Angels; BMW Perf black grille; CSL reps; SSDD carbon diffuser; Monster Wrap black roof

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