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  1. #51
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    Sounds good. Thanks for the advice.

  2. #52
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    2 out of 2 members liked this post. Yes Reputation No
    Click here to enlarge Originally Posted by oddjob2021 Click here to enlarge
    i just cant believe it's such an issue honestly. cars can misfire all the time for all sorts of reasons, are you certain its build-up?
    The largest cause of misfires I've seen right now is the build up as we are starting to see higher milage vehicles. The HPFP and injectors is being taken care of with the recalls which used to be the MAIN reason of the misfires.

    The intake port cleaning is really a simple task(but time consuming) using BMW(which is just Chevron) top engine cleaner.

    1. We remove the intake manifold(replace intake gaskets also) and front fan(to acess the crank bolt to turn engine for this process)

    2. We put two clyinders at a time @ TDC , fill the intake port with the cleaner, using a heat gun with moderate heat, heat up the EXTREMELY FLAMABLE liquid(please don't try this at home). Let it sit there for a good 30mins a cylinder and then suck it out. This proccess breaks down the oil/carbon build up on the ports.

    3. Using a small BRASS wire wheel/brush on a drill we throughtly clean the intake ports/valves. The BRASS wire wheel/brush does not damage the valves or ports. It only removes build up. Don't try this with a steel wire brush. We also do NOT let any debris fall into the clyinders. Each port is blown out with compressed air.

    I go the extra mile while your parts are out. I clean your throttle body througly of all oil build up, drain the main charge pipes and your intercooler of the oil thats left in it.

    I would recommend to anyone not running meth to do this or have a professional do this every 10-12K miles. I know it can be pricey, but I'm sure some shops can do this for a reasonble price.
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  3. #53
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    Great post DLV!

  4. #54
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    Click here to enlarge Originally Posted by 654 Click here to enlarge
    Great post DLV!
    Rep him...

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  5. #55
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    I tried to, but I got "You must spread reputation around before rating this user again" even though I only repped the new guy just before, not DLV... Well I do it when the system allows me. I guess it is just a matter of time.

  6. #56
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    Click here to enlarge Originally Posted by 654 Click here to enlarge
    I tried to, but I got "You must spread reputation around before rating this user again" even though I only repped the new guy just before, not DLV... Well I do it when the system allows me. I guess it is just a matter of time.
    You repped DLV before, right?

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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  7. #57
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    Not today.. I repped another guy. But it can be that I have repped DLV before. Like a couple of days ago. Good to have him here.

  8. #58
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    Click here to enlarge Originally Posted by 654 Click here to enlarge
    Not today.. I repped another guy. But it can be that I have repped DLV before. Like a couple of days ago. Good to have him here.
    Yep, if you ever have repped him before (which the system is saying you did) then you just have to meet the spread limit.

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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  9. #59
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    Click here to enlarge Originally Posted by DLV-Engineering Click here to enlarge
    I would recommend to anyone not running meth to do this or have a professional do this every 10-12K miles. I know it can be pricey, but I'm sure some shops can do this for a reasonble price.
    Thanks for the step by step breakdown (rep capped at the moment as well), but I was wondering if you could chime in with a ballpark cost.

    Also, Matt have you done anything like this yet?
    Click here to enlarge

  10. #60
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    I'm thinking we need to put together an N54/N55 (maybe just general BMW) carbon build-up FAQ and video so users know how to deal with this.

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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  11. #61
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    Click here to enlarge Originally Posted by SSDD Click here to enlarge
    Thanks for the step by step breakdown (rep capped at the moment as well), but I was wondering if you could chime in with a ballpark cost.

    Also, Matt have you done anything like this yet?
    I'm not sure if I can give you an exact price, espeically what'll charge since I'm not a registered vendor or anything. BMW pays us under warranty 8hrs. Small shops can prob do this for 7-8 also @ $80-90hr. Or even come up with a flat rate for the service. I'd say in the $500 ball park range sounds like a good rate.
    BMW Master Certified Tech - ///M Specialist & Diesel Specialist
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  12. #62
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    Click here to enlarge Originally Posted by DLV-Engineering Click here to enlarge
    I'm not sure if I can give you an exact price, espeically what'll charge since I'm not a registered vendor or anything. BMW pays us under warranty 8hrs. Small shops can prob do this for 7-8 also @ $80-90hr. Or even come up with a flat rate for the service. I'd say in the $500 ball park range sounds like a good rate.
    You are a BMW tech, feel free to give labor quotes if it helps users.

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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  13. #63
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    I'm thinking we need to put together an N54/N55 (maybe just general BMW) carbon build-up FAQ and video so users know how to deal with this.
    If we get a local member on here to come to my house, I can do it on their car for 1/2 price and use it as the car for the write up with pictures and all that if you'd all like. EVEN a DIY if you guys want.
    BMW Master Certified Tech - ///M Specialist & Diesel Specialist
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  14. #64
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    Click here to enlarge Originally Posted by DLV-Engineering Click here to enlarge
    If we get a local member on here to come to my house, I can do it on their car for 1/2 price and use it as the car for the write up with pictures and all that if you'd all like. EVEN a DIY if you guys want.
    How much is 1/2 price?

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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  15. #65
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    Click here to enlarge Originally Posted by DLV-Engineering Click here to enlarge
    If we get a local member on here to come to my house, I can do it on their car for 1/2 price and use it as the car for the write up with pictures and all that if you'd all like. EVEN a DIY if you guys want.
    damn! if i was close this would be SOOOO worth it!

  16. #66
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    How much is 1/2 price?
    $320. My labor rate is $80hr. I'd do it for $40hr for one forum member to get this rolling for you all(if the member is mechanically inclinde even better, you can help me out and I can teach you in the process) WIN WIN

    Money isn't a big factor for this, getting everyone on the community up to date and familiarized with this process to help prevent future issues is my main concern. After that if you are not comfortable doing the work your self a shop can use the DIY as instructions and give you a price based on what they see and hopefully help you out.

    I can help out the local members as much as possible, but remember, I have my day job that comes first and my family. I will help ANYONE aslong as they understand it won't be a 1,2,3 bam we're done. Because all my work is done neatly with no hurry. Quality comes first. You will see that later in the year as I try to get rolling on parts/service/becoming a vendor for you all. I was drawn to this forum because I was told everyone here is fair and down to earth, just how I am and like everyone to be. I'm glad this isn't like E90Post and N54tech etc...too many people with incorrect "facts". I will do my best to provide you all with the correct facts ands spec so we all know whats going on with our cars.
    Last edited by DLV-Engineering; 02-27-2011 at 10:58 PM.
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  17. #67
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    Click here to enlarge Originally Posted by DLV-Engineering Click here to enlarge
    $320. My labor rate is $80hr. I'd do it for $40hr for one forum member to get this rolling for you all(if the member is mechanically inclinde even better, you can help me out and I can teach you in the process) WIN WIN

    Money isn't a big factor for this, getting everyone on the community up to date and familiarized with this process to help prevent future issues is my main concern. After that if you are not comfortable doing the work your self a shop can use the DIY as instructions and give you a price based on what they see and hopefully help you out.

    I can help out the local members as much as possible, but remember, I have my day job that comes first and my family. I will help ANYONE aslong as they understand it won't be a 1,2,3 bam we're done. Because all my work is done neatly with no hurry. Quality comes first. You will see that later in the year as I try to get rolling on parts/service/becoming a vendor for you all. I was drawn to this forum because I was told everyone here is fair and down to earth, just how I am and like everyone to be. I'm glad this isn't like E90Post and N54tech etc...too many people with incorrect "facts". I will do my best to provide you all with the correct facts ands spec so we all know whats going on with our cars.
    We really appreciate it Click here to enlarge that is great on your part. NOW somebody from FL give this man a call!

  18. #68
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    Click here to enlarge Originally Posted by DLV-Engineering Click here to enlarge
    $320. My labor rate is $80hr. I'd do it for $40hr for one forum member to get this rolling for you all(if the member is mechanically inclinde even better, you can help me out and I can teach you in the process) WIN WIN

    Money isn't a big factor for this, getting everyone on the community up to date and familiarized with this process to help prevent future issues is my main concern. After that if you are not comfortable doing the work your self a shop can use the DIY as instructions and give you a price based on what they see and hopefully help you out.

    I can help out the local members as much as possible, but remember, I have my day job that comes first and my family. I will help ANYONE aslong as they understand it won't be a 1,2,3 bam we're done. Because all my work is done neatly with no hurry. Quality comes first. You will see that later in the year as I try to get rolling on parts/service/becoming a vendor for you all. I was drawn to this forum because I was told everyone here is fair and down to earth, just how I am and like everyone to be. I'm glad this isn't like E90Post and N54tech etc...too many people with incorrect "facts". I will do my best to provide you all with the correct facts ands spec so we all know whats going on with our cars.
    I want this to happen.

    If it can be done as a detailed process as a DIY with complete photos and details, I will gladly throw some money your way to lower the price even more and make it that much of an incentive for a BB user.

    The main thing is having a resource of what to do with carbon build up and how to go about it. So, I appreciate you being willing to do this for the community and for BB which yes, glad you highlight, unlike E90post and to a lesser extent n54tech, is more about community and beneficial information.

    Very, very generous on your part and I think we should make it happen. We have plenty of members in Florida...

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  19. #69
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    After updating myself of the recent posts, I want to respond by saying that I "thought" I was driving my car pretty hard the first few months after I purchased it (Aug '10). The shudders/misfire began in Dec and that's when I had to stop doing hard runs and mapped off the tune (up 'til a few weeks ago). I can't imagine build up could happen so fast, although leo and I seem to have exact symptoms. I have no desire to run meth, so that wouldn't be a cleaning option for me. I spoke with someone who said he could clean it w/o taking anything apart. Basically, he would push a cleaner through using a pressure system (don't recall the exact details such as what he connects it to or the pounds of pressure used, but it's a cannister w/a pressure gauge and you pour the cleaner into the cannister, blah, blah, blah...).

    Is anyone familiar w/this type of cleaning for our cars? If so, would Seafoam work as well as the BMW cleaner (if I'm not able to get any) or can Techron be used in this process? I know it's done on other makes and sometimes using nothing but water. Sure wish I was in the FL area; I'd volunteer for a DIY and would love to learn too!
    Last edited by GRLPWR; 02-27-2011 at 11:43 PM.

  20. #70
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    1 out of 1 members liked this post. Yes Reputation No
    Click here to enlarge Originally Posted by GRLPWR Click here to enlarge
    After updating myself of the recent posts, I want to respond by saying that I "thought" I was driving my car pretty hard the first few months after I purchased it (Aug '10). The shudders/misfire began in Dec and that's when I had to stop doing hard runs and mapped off the tune (up 'til a few weeks ago). I can't imagine build up could happen so fast, although leo and I seem to have exact symptoms. I have no desire to run meth, so that wouldn't be a cleaning option for me. I spoke with someone who said he could clean it w/o taking anything apart. Basically, he would push a cleaner through using a pressure system (don't recall the exact details such as what he connects it to or the pounds of pressure used).

    Is anyone familiar w/this type of cleaning for our cars? If so, would Seafoam work as well as the BMW cleaner (if I'm not able to get any) or can Techron be used in this process? I know it's done on other makes and sometimes using nothing but water. Sure wish I was in the FL area; I'd volunteer for a DIY and would love to learn too!
    This sounds like a SeaFoam job. It will clean some, but not the extent of the cleaning that will be done with the intake ports exposed. They will basically inject a "top engine cleaner" through some port on the intake manifold and run the engine. Not exactly a good thing with those chunks of gunk going into your combustion chamber. On top of running a top engine cleaner, I alway recommend you change the plugs after. Good Luck!
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  21. #71
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    I want this to happen.

    If it can be done as a detailed process as a DIY with complete photos and details, I will gladly throw some money your way to lower the price even more and make it that much of an incentive for a BB user.

    The main thing is having a resource of what to do with carbon build up and how to go about it. So, I appreciate you being willing to do this for the community and for BB which yes, glad you highlight, unlike E90post and to a lesser extent n54tech, is more about community and beneficial information.

    Very, very generous on your part and I think we should make it happen. We have plenty of members in Florida...

    Lets make it happen. I could prob talk to Lenny @ PAW. His car has about 14K miles, might be about do for one.
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  22. #72
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    Click here to enlarge Originally Posted by DLV-Engineering Click here to enlarge
    Lets make it happen. I could prob talk to Lenny @ PAW. His car has about 14K miles, might be about do for one.
    True, preference is obviously a BB user but that is definitely an option and with a DIY it would help out everyone.

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  23. #73
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    True, preference is obviously a BB user but that is definitely an option and with a DIY it would help out everyone.

    And not to mention Lenny is at my house every week. So I'll just kidnap his car for a weekend @ PAW and do it there. haha Would be epic.
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    Click here to enlarge Originally Posted by DLV-Engineering Click here to enlarge
    This sounds like a SeaFoam job. It will clean some, but not the extent of the cleaning that will be done with the intake ports exposed. They will basically inject a "top engine cleaner" through some port on the intake manifold and run the engine. Not exactly a good thing with those chunks of gunk going into your combustion chamber. On top of running a top engine cleaner, I alway recommend you change the plugs after. Good Luck!
    Yup, that's the process I'm speaking about. So....what happens to the gunk once it's loose? Could that cause another problem somewhere else? My warranty co said they would cover the charge of a cleaning (deep cleaning) only if a part was damaged due to the build up and the cleaning is necessary to prevent future damage. Hmm, so what part(s) could I find damaged due to the build up? Click here to enlarge

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    Click here to enlarge Originally Posted by GRLPWR Click here to enlarge
    Yup, that's the process I'm speaking about. So....what happens to the gunk once it's loose? Could that cause another problem somewhere else? My warranty co said they would cover the charge of a cleaning (deep cleaning) only if a part was damaged due to the build up and the cleaning is necessary to prevent future damage. Hmm, so what part(s) could I find damaged due to the build up? Click here to enlarge
    Well to be honest, the gunk is just oil sludged up with a bit or combustion by product. The combustion chamber will just combust the oil/fuel mixture. Cause a slight misfire and possibly foul out the plugs at worst.
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