11-18-2020, 02:26 PM | #1 |
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spark plugs
I replaced my spark plugs about 30k miles ago in my 2012 X3 35i (around 80k miles), I'm at 110k right now . Am i due for another change? or is it every 50k miles?
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11-18-2020, 02:59 PM | #2 |
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Depends what you look at. I usually change mine initially at the 60k mark then again at 100k and have never owned a vehicle much passed that to pass it again. As easy it is to change them in these cars I would do it if I were at you’re mileage
Edit: misread your post. You changed plugs 30k miles ago I would not change them again. Coils if original would be about time Last edited by ItsmeX5; 11-19-2020 at 06:57 AM.. |
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11-18-2020, 03:45 PM | #3 | |
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Tuned engine; depends on the tune but 30-40k miles as a starting point. If the ignition coils are original then consider changing those soon, they will be near the end of their life.
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11-18-2020, 04:50 PM | #4 | |
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11-18-2020, 08:08 PM | #6 |
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11-18-2020, 08:39 PM | #7 |
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FCP Euro is hard to beat. I did my coils recently and it took care of idle hiccups with plugs replaced a few thousand km earlier.
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11-18-2020, 08:54 PM | #8 |
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11-19-2020, 09:13 AM | #9 |
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11-19-2020, 09:38 AM | #10 |
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I replaced my plugs with Bosch earlier this year and my 2012 3.5 runs great. 88,000 mi.
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11-19-2020, 09:52 AM | #11 |
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No, Eldor are the newest and best designed coils for the N55. Better than Delphi
https://www.ebay.com/itm/6x-BMW-Igni...-/152335261416 12138657273 is the newest version. Go with these. I monitored via torque for any misfire counts on any cylinder after the change and it was zero across the board. |
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11-19-2020, 12:43 PM | #12 | |
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Eldor superseded Delphi which superseded Bosch.
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11-19-2020, 01:09 PM | #13 |
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I just purchased delphi's per 6MT_Addict recommendations
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