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BMW 3-Series (E90 E92) Forum
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Spark plug change
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| 03-03-2014, 02:45 PM | #1 |
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I bought the car with about 19k on the car, and im at 27k as we speak, ive been tuned w/ Cobb aggressive stage 1 since 20k...think its time to change the plugs or i still have some life on them, vehicle is a 2011 335 E90 N55 motor
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| 03-03-2014, 02:54 PM | #2 |
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Just enjoying my time
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With a tune on these motors, a lot of us change them every 10k miles or so. I change mine every 2nd or third oil change.
Gotta pay to play unfortunately.
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| 03-03-2014, 02:54 PM | #3 |
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Colonel
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Most people recommend replacing them every 20-25k miles when tuned. I'd advice to visually inspect them first before swapping them out.
Also, for reference, BMW service interval for spark plug is every 3 (15k mile) oil Changes or roughly around 45,000 miles. Last edited by FriedPiston; 03-03-2014 at 02:59 PM.. |
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| 03-03-2014, 02:56 PM | #4 | |
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Quote:
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| 03-04-2014, 12:42 AM | #5 |
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Major
 
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What if I have 34,000 miles and been tuned since 14,000 miles....should I change them? Everything is running fine, knock on wood. I kinda have that don't fix it if it ain't broke kinda mentality lol
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2011 Alpine White E92 335i M-Sport N55 Engine
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| 03-04-2014, 12:59 PM | #6 |
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all day
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Drives: 2012 135i
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I havent changed mine also (30k) and fully bolted with e-85 since 10k. What are you guys changing to?
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| 03-06-2014, 01:18 AM | #7 |
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Major
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I wanted to BUMP this and see if there is anyone with knowledge on this to give me and I35it some advice....
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2011 Alpine White E92 335i M-Sport N55 Engine
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| 03-06-2014, 08:50 PM | #8 |
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BimmerPost Supporting Vendor
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I would do some logs first
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