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05-30-2012, 05:36 PM | #45 |
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Thanks for posting this update. It makes things easier for people in the future who change out their plugs.
I remember a Tech I used to work with who liked to say... "..Just because it is a new part doesn't make it a good working part!" So true. I think there is just something weird about the N54/N55 engine needing OEM BMW/Bosch made plugs. There must be something that is different with the aftermarket Bosch plugs bc I have seen it posted before on the e90 forum that use of non BMW plugs can cause issues. Thanks again Takrdown. |
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05-30-2012, 07:12 PM | #46 | |
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I just want to stress to everyone that these were OEM plugs that didn't work. So...just because they are OEM plugs, don't rule them out if you start having misfires. Swapping them out is just good troubleshooting at this point. |
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05-30-2012, 09:22 PM | #47 | |
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06-12-2012, 04:39 PM | #48 |
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Great video
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08-26-2012, 04:03 AM | #49 |
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very nice post!!!!!
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10-01-2012, 07:58 AM | #50 |
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Amazing post
Just wanted to say thank you for this post. I don't know why, but I was hesitant to change the spark plugs in my '07 335i e90. I'm not sure what finally pushed me over to try it, but I'm pretty sure that the $390 the dealer was going to charge me had something to do with it. It was much easier than I thought and the car runs like a dream now.
Thanks again! Great post! |
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10-01-2012, 09:37 AM | #51 | |
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Dack
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10-02-2012, 07:14 AM | #53 |
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so if we dont buy these plugs from the dealership direct, we getting inferior plugs? hmmm. is BMS selling bad bosch plugs?
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10-02-2012, 07:20 AM | #54 |
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Didn't you read my Spark plug DIY? They should be torqued to 23Nm. 135i Spark Plug replacement DIY... http://www.1addicts.com/forums/showthread.php?t=602804
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10-02-2012, 07:24 AM | #55 | |
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Opinion is split on this. Read my Spark plug DIY... it was discussed somewhat on the last page(3). I have read many posts where people went with aftermarket Bosch plugs and had no problems. But then again I have read four or so posts and seen where people had a misfire issue do to (bad) spark plugs. I decided to play it safe and just buy my sparkplugs at my local dealer.
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10-02-2012, 09:26 AM | #56 | |
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FWIW, from Mike Miller's Old School Maintenance Guide: Original BMW Bosch Spark Plugs vs. Aftermarket Bosch Spark Plugs Like just about everything else on the modern BMWs, Bosch spark plug choice is complicated and confusing. The short answer is if you order the spark plugs from BMW (sometimes there is a choice between Bosch or NGK), then you are good to go and there is no confusion. But they are expensive. Savvy enthusiasts have found that Bosch has a part number for commercially-available spark plugs that cross-references to the BMW original equipment Bosch spark plugs, often at a fraction of the price. The problem is, the commercially-available (aftermarket) Bosch spark plugs are not always the same as the original BMW Bosch plugs even though they cross-reference and they do work. Dealership technicians report problems with the commercially-available Bosch Platinum +4 spark plugs in BMW engines. I have never seen this personally, but physical inspection does reveal differences in insulator design between the original BMW Bosch spark plugs for the modern cars and the commercially-available Bosch Platinum +4. We’re talking about the newer multiple-coil BMWs above. Now, when we're talking about older BMWs with a single ignition coil, where the original BMW specified spark plugs are Bosch copper or silver plugs, everything is completely different. On those cars, there is absolutely no difference between the original BMW spark plugs and commercially-available Bosch copper or silver plugs. I realize this requires a certain intimate knowledge of Bosch spark plugs, and I don’t know what to tell you about that except to ask if you don’t know, or just buy them from the dealer. |
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10-02-2012, 02:14 PM | #57 |
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I know that . but what I mean is what tool torque wrench BRAND should I get I heard that there some that beep when it reads the amount of NM u set it to
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10-02-2012, 03:04 PM | #58 | |
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I bought one from Gedore(~100 euros). It works from 5 to 50Nm scale. It is best to use a tq wrench that the 23Nm is in the middle of its tq range. That way the wrench is more accurate in the middle of its range/scale. Hazet over here also makes good ones(~160 euros).
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10-02-2012, 09:20 PM | #59 | |
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thanks |
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10-04-2012, 11:27 AM | #60 |
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haha, makes me wanna take a commercially available plug from out of my car and cut it open and compare to the ones i took out recently.
had misfire on 2 and 4 cylinder recently but never came back. Was maybe a hundred or so miles after i changed the plugs.. Curious.... hmmmm.... It sucks if i have to drive all the way to my dealers to get thesee. haha. like 1.5 hrs away. sheesh and gas aint cheap right now. :P gotta make some calls.
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10-04-2012, 11:58 AM | #61 | |
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12-01-2012, 11:15 PM | #62 |
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In your picture with the coil pack, there's this number that looks like a date, do you know if that's the manufacturing date of the coil pack? It says 09-12-17, which I think is Dec. 17th 2009.
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12-01-2012, 11:27 PM | #63 | |
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But my 135i was built that week in Leipzig, so it makes sense.
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12-01-2012, 11:32 PM | #64 | |
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How would one cut a spark plug in half? In regards to the difference between OE and OEM plugs. There have been a few posts saying how the ceramic insulator is different(the inner guts). All I can say is I have read it here a few times. I also have seen three different threads on the e90 forum about misfires with OEM plugs, as soon as they installed OE bmw bought plugs, the misfire went away. Plus there is a 1Addict here on page two of this thread that had issues. For me its a no brainer to pay a little bit more for bmw OE plugs over an OEM plug. Dack
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12-02-2012, 06:04 AM | #65 | |
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, you can start the engine without any spark plugs. The engine will blow it out .
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04-26-2013, 06:21 AM | #66 |
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I tried to replace my plugs since my car has 62K miles. I bought a thin wall socket an a torque wrench to do it. However when I was removing one plug it felt like it was cross threaded coming out. finally got the plug out and threads looked okay. I tried to install the new plug and I could not get it started by hand the side of the socket was rubbing against the side of the hole. I used a ratchet to get it going but I had to stop because it felt it might cross thread and it's aluminum is this normal?
I need help
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