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Using 2 step colder NGK spark plugs on stock configuration?
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09-24-2018, 02:57 PM | #1 |
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Using 2 step colder NGK spark plugs on stock configuration?
Hello all, quick question. A friend of mine has a set of NGK 97506 spark plugs that he gave me to fix an issue my car has with misfires and bad start up (will be doing injectors and coils later this week as well to be safe). However, doing my research, these are two steps colder than stock plugs. From my beginner mechanical understanding, these are intended for cars that make a lot more power than a stock 335i does. Is there any danger of running these on a stock configuration? My friend says a higher mileage vehicle can benefit from a colder spark plug, but I haven't learned enough yet to know if thats true or not. The N54 already makes me nervous enough with all of its issues, don't want to hurt the motor any more than it potentially already has been.
This is a link to what he gave me: https://www.ecstuning.com/b-ngk-part...six/97506~akt/ |
09-24-2018, 10:57 PM | #2 | |
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feuer4289.00 |
09-25-2018, 02:37 PM | #3 |
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These are probably too cold for your application, but as long as they're gapped correctly (0.022") they should be fine. You might experience some stumbling during cold starts though.
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09-26-2018, 11:52 AM | #4 | |
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I agree regarding the fouling though. These plugs are more expensive, won't last as long and won't run as smooth. Even if OP is getting these for free, spark plugs are so cheap that it’s not worth running anything outside of spec.
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motionex5.00 |
09-26-2018, 02:11 PM | #5 | |
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This thread only exists for the simple purpose of just making sure that what I understood to be the case was actually the case, dunno why some people have to find a way to an elitist at every possible opportunity. Thanks all for your input. |
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