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  1. E46 (1999 - 2006)
    Hi there, I had a mechanic come over after months of me trying to diagnose misfires (see here). He determined the first and sixth coils are receiving signal to fire, but not two three four and five. Checked the spark plugs and 1 and 6 are burnt black, 2-5 look sparkly clean and looked like the...
  2. E90/E91/E92/E93 (2006 - 2013)
    I got some BOSCH ignition coils from a 328xi that intend to put on my N55 335xi. 2006-2012 coils i've heard are interchangeable and I will replace all of my coils with new ones. These coils were used for about 45K and they looked pretty clean. However 2 of 6 coils have these cracks on them and...
  3. F10 / F11 (2011 - 2016)
    Howdy. I recently bought a 2012 550xi. Yesterday after starting it, it ran real rough, starting shaking, and the check engine light came on. I drove it a few miles and pulled over, turned it off and back on. It then drove fine again. The codes are P0301, P0303, P0305 and P0307. I've had...
  4. E90/E91/E92/E93 (2006 - 2013)
    Recently one of the ignition coils went bad in my 2008 BMW e91 (touring) and I replaced it with a local brand myself. I don't want to have it running for long, just so that I wont end up having an issue again when I am far from town, so I would like to replace all 4 of the ignition coils with...
  5. X5 F15 (2014 - 2018)
    Hello all, I am new to this forum, so forgive me if this has been discussed before. I searched the posts and didn't find anything. I have a CPO 2014 X5 50i with the N63TU engine. I see that all the older variants of the N63 have been subject to a "quiet recall" but not the TU, presumably...
  6. E90/E91/E92/E93 (2006 - 2013)
    Im in the process of changing my spark plugs and ignition coils in my 06 323i and as I took the last one out it was filthy with what looked like rust. What would have caused this and should I clean the slot that it goes in I assume? What would be the best way to go about that? cheers
  7. F07 Gran Turismo (2010 - 2017)
    My Friends!!!!! Courtesy of the help of my indie shop, Long Beach BMW and BMW America technicians, some trial and error and lots of patience I have my battery charging issues resolved on my GT. Turns out you get codes thrown and stored in the computer for overcharging and ignition faults...
  8. 7 Series - E65 / E66 (2002 - 2008)
    hello all, just wanted to ask if someby had a similar issue. Long story short: car: 2008 e65, 82km, symptom: slow pickup at low revs, slight misfiring when trying accelerate hard but the engine is cold; solution: start with replacing sparks and coils; the problem: got 221 504 470 coils, while...
  9. E46 (1999 - 2006)
    I recently had my new to me 2003 bmw serviced due to a check engine light. We replaced a few ignition coils, new spark plugs, new vaccum line and new air pump. The engine light came right back on after I stopped for gas after leaving the shop. They're closed yesterday and today so I can't...
  10. E39 (1997 - 2003)
    I bought my 03 e39 last April at about 150,000 miles and now it has 161700 miles. Since I don't know when the previous owner replaced the spark plug, I'm going to replace all of them with NGK BKR6EQUP this winter. I heard some people say I should replace the ignition coils and spark plug boots...
  11. E90/E91/E92/E93 (2006 - 2013)
    I plan on replacing my current spark plugs with Bosch after installing JB4. I am wondering if it is necessary or recommended to change the ignition coils as well.
  12. E46 (1999 - 2006)
    Hey guys i have a 2001 330xi and ive been chasing down my check engine light for a long time. I finally brought it into the dealership and they told me my ignition coils 2 through 6 are going bad and need to be replaced. What are the best kind to replace them with? $70 ebay ones ok ( For 6) or...
  13. E90/E91/E92/E93 (2006 - 2013)
    Hi guys, I have an 2006 325i and it has about 83k on it. A month ago it started shaking with rough acceleration and stuff. Check engine light on and the code was misfire cylinder four. I looked it up and the suggestion was to just replace all 6 coils and sparks plugs. Which a friend help me do...
  14. E39 (1997 - 2003)
    I have a 1997 540i that I have owned for about 6 months. It has 104K miles. In the past few days, I've had a number of issues that are probably unconnected, but I am hoping for some help since I can't afford to just start replacing everything. Known issues at purchase: -Check engine light for...
  15. Site Sponsors & Bimmerfest Group Buys
    Genuine BMW E9X 3 Series Ignition Coils Genuine BMW E9X 3 Series Ignition Coils. *Sold Separately. **Include VIN# when ordering. Click HERE to order!! :cool:
  16. E60 / E61 (2004 - 2010)
    I have searched the forum but have had no luck with specifics but what I am trying to find is the best coils and spark plugs to buy for my first time DIY. Any suggestions or words of advice is appreciated. I have worked on Nissans previously almost exclusively :eek:
  17. E60 / E61 (2004 - 2010)
    Hello, new here I have been doing some research on coils, wanting to get those replaced. Now I see that the coils in the 2006 E60 go near the firewall and sit below the windshield wiper plastic flooring if you know what I mean, basically the coils near the firewall are impossible to get to...
  18. E46 (1999 - 2006)
    I have a 2004 BMW 325i that I recently had checked because the service engine light was on. It read that I had cylinders that were misfiring. However, the car was running fine with no issues. I changed the spark plugs first to see if that would cure the misfires and reset the light. It did not...
  19. E39 (1997 - 2003)
    My mechanic, besides wanting to charge us way too much for a simple repair says that we need to replace ALL the Ignition Coils rather than identify the coil(s) that is faulty. His rationale: if one or more has gone bad, they are all not far behind. I plan to do this work myself, but do I...
  20. E39 (1997 - 2003)
    I can't figure out why my 99 540i is misfiring. I changed all the spark plugs and I have swapped ignition coils around, but cylinder 8 continues to misfire. Any ideas what would cause only 1 cylinder to misfire?
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