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Ignition Coil broken for 3rd time
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01-07-2011, 09:57 PM | #1 |
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Ignition Coil broken for 3rd time
My car engine shakes and check engine light went on this evening when I started my car. The symptom is the same as when my ignition coil broke down. If it is ignition coil, this will be my 3rd coil. Do they normally that easy to break? They are different coil though.
I also noticed oil leak around engine screws and may be gasket. I also had my engine head gasket replaced less than 2 years ago -- now again?. I read on the net and it seems that leak can cause ignition coil problem. Tomorrow, I will need to talk with the dealer. How should I address the problem so that they will look into the root cause? |
01-08-2011, 06:15 AM | #2 |
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How many miles?
Same coil three times, or different coils each time? What prompted the last HG change? Was it due to cyl head swap? Last edited by roundle; 01-09-2011 at 06:57 AM.. |
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01-08-2011, 10:29 AM | #3 |
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My car is at 65-66K mile. It's different coil every time (not sure which one yet this time). I am not sure if it due to the head swap. Last time, the coolant dried out and they found that it's leak. (not sure if this is what u mean by HC).
My car is still under CPO warranty. EDIT: Head Gasket was replaced around 55K and first coil was replaced around 57K and second one at 62K. Last edited by cfreak; 01-08-2011 at 10:38 AM.. |
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01-08-2011, 06:55 PM | #4 |
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Engine coils are normal to go do to normal wear.
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01-08-2011, 06:57 PM | #5 |
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If you get oil where the spark plug connects to the ignition coil that will kill the coils. I've had no issues with the coils but I did replace the valve cover gasket. I've got 150k on my car.
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01-09-2011, 01:14 PM | #7 |
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Head gasket?! That's not normal at all. The valve cover gasket is the one that get replaced, and even then it only get's replace once usually.
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01-10-2011, 04:33 PM | #8 |
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That's what I thought also.
This seems to be the second time. The first time was coolant dry out so they replaced my head gasket. This time, I saw oil around the engine and at the bottom. Very interestingly, I took my car to have oil change and they put the oil around 3/4. Two week ago I checked the oil level and it was down to 1/4 (1 level before min). 2 days before I had this problem, the computer shows max (4/4).... PS: I called road side service when my car broke, though operators are good and helpful. The towing company was so rude like I've never experienced in my life. It was a terrible weekend for me. |
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01-17-2011, 11:12 AM | #9 |
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I just had one ignition coil replaced last week after my car started shaking and making this awful sulfurous smell. The check engine light went on as well.
The dealership replaced an ignition coil and less than a week later the same thing happened when I started my car again. I called the dealership and they're claiming that it's likely a different ignition coil this time and that these things break based on mileage and timing. I find it VERY hard to believe that the ignition coils broke within 8 days of each other and both were due to 'timing' and 'mileage'. Any suggestions? |
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01-18-2011, 05:11 PM | #10 |
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It wasn't my 3rd actually, it's 4th.
This time, they had to replace 2 of the coil. This is 4th time in 2 years / 15k-20k miles. My SA told me he has seen this thing went bad like domino.... BTW, I noticed, it happened on 2006 car Oo. |
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01-18-2011, 07:52 PM | #11 |
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^ Ok this is happening way too many times. I wonder if they are diagnosing the problem correctly. My car started rough every morning, I used techron fuel injector cleaner and no more rough idle start-up. That was over 9,000 miles ago. Try it, you have nothing to lose. Think about it, you don't change the expensive fuel filter, it gets clogged/dirty, injectors get dirty, car runs rough and throws codes for bad coils. Hey, you never know.
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If no codes are being thrown use Chevron Techron fuel injector cleaner (concentrate). It solves rpm fluctuating upon cold start-up. Also, for most BMW problems start off by scanning your car with the Peake Research Tool. It contains the actual BMW codes. If you want to register a newly installed battery for free (just buy a $10 cable) and google/download BMWLogger
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01-19-2011, 03:09 PM | #12 |
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I had one ignition coil replaced about 6 months ago. The same problem happened to me about a month ago, rough idle, check engine light, etc. so I replaced all six and it's been running fine ever since. Bought the parts online and changed them out myself using a DIY I found in the forums.
FYI, I have a 06 325i with 51k. |
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01-20-2011, 02:44 PM | #14 |
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At 60k no coils so far, but if I do have to replace one, I am replacing them all.
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If no codes are being thrown use Chevron Techron fuel injector cleaner (concentrate). It solves rpm fluctuating upon cold start-up. Also, for most BMW problems start off by scanning your car with the Peake Research Tool. It contains the actual BMW codes. If you want to register a newly installed battery for free (just buy a $10 cable) and google/download BMWLogger
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01-20-2011, 02:46 PM | #15 |
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As a sidenote: On my e46 no coils replaced after 190,000 miles!!!!!!!!!
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If no codes are being thrown use Chevron Techron fuel injector cleaner (concentrate). It solves rpm fluctuating upon cold start-up. Also, for most BMW problems start off by scanning your car with the Peake Research Tool. It contains the actual BMW codes. If you want to register a newly installed battery for free (just buy a $10 cable) and google/download BMWLogger
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01-21-2011, 07:01 AM | #16 |
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02-17-2011, 11:39 PM | #17 |
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03-02-2011, 01:17 PM | #18 | ||
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Quote:
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03-06-2011, 10:17 AM | #19 | |
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I went to the BMW dealer, they suggested replacing all the spark plugs and the ONE failing Ignition Coil. Bill $410. They wanted replace all spark plugs because they were looking bad. I called another European shop and explained about the situation. The guy I talked to seemed very experienced and told me that if "one Ignition coil goes wrong it is MOST LIKELY that another one goes wrong pretty soon". And cost for labor remains approx. same. Towed the car to this shop on Saturday need to talk to him again. It think it is right. But why the servicemen in BMW dealer suggested replacing JUST one and all the spark plugs??...who's right?? As you already know, Coils are not cheap. |
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03-06-2011, 04:33 PM | #20 |
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Coils aren't too terribly expensive and easy to replace yourself.
You can get a brand new set of coils from Tischer for about 250-300$ and replace them yourself in an hour, easy. |
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03-06-2011, 05:46 PM | #21 | |
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Quote:
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03-16-2011, 01:46 PM | #22 |
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I just got my car back. I took it to a local independent BMW shop. Very nice guys.
Ignition coil on the #2 cylinder. He said that it is a common problem and didn't recommend changing all of them. His words, "if it ain't broke don't fix it". Cost was 40 bucks for the coil and 40 for the labor. I may do the others myself. At least I know now what it feels like when this happens; One rough-ass engine idle and missing during acceleration.
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