09-12-2015, 10:07 PM | #23 | |
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Yeah they are 2-3 steps cooler. From what I understand plugs in cars like these (with stock configuration) last around 60-90k. With the tune and stock plugs they will foul pretty quickly. But with the cooler M4 plugs they should bring the replace cycle back up to 60-90K. (in theory). From what I've been told, either way, BMW won't typically look at or replace the plugs within standard 4yr 50k warranty. Since they should be lasting well past 50k miles. So I've been told.. Edit: I do think the plugs are worth the upgrade even with daily driving. But not immediately time sensitive. Once they start to go, you'll get stuttering in certain situations. Last edited by 2msport; 09-12-2015 at 10:34 PM.. |
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09-12-2015, 10:38 PM | #24 |
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09-13-2015, 02:15 PM | #25 |
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09-13-2015, 06:50 PM | #26 | ||
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Thanks for the info! I'll see how my 13k mile plugs hold up. |
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09-14-2015, 03:57 PM | #27 |
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I think it'd be a package deal; tune and plugs at the same time and call it a day
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09-20-2015, 07:41 PM | #28 |
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For those who are looking for M4 plugs, last week I placed an order on eBay and paid about 17 USD each from bmwofatlanticcity. Can't wait to have them installed.
Shipping included! Very good deal. Last edited by marcoac14; 09-21-2015 at 09:03 PM.. Reason: Typo |
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09-21-2015, 09:50 AM | #29 |
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That is a GREAT price...I couldn't find them cheaper then $27 USD a plug. Nice find!
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09-21-2015, 08:57 PM | #30 |
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09-21-2015, 08:58 PM | #31 |
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09-21-2015, 09:00 PM | #32 |
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By the way, I just checked on getbmwparts again and it seems like they have applied an extra discount. It's now 19.59 plus shipping. Not bad if you're shopping other parts too.
Since they're official vendors here, there goes the link. http://www.getbmwparts.com/parts/ind...&siteid=214672 |
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09-21-2015, 09:02 PM | #33 |
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09-24-2015, 12:45 PM | #34 | ||
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09-24-2015, 06:41 PM | #35 | |
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Btw, the summer is 3 months away down here and the temperature is already 95 F and rising. =/ Last edited by marcoac14; 09-24-2015 at 06:46 PM.. |
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09-26-2015, 07:48 AM | #36 |
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Please forgive my ignorance but how many do we need? I want to upgrade for daily driver. The car starts up kind of rough if i dont drive it for a week or when temps are a bit colder
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09-26-2015, 09:59 AM | #37 | |
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Not sure of any benefit for a stock engine, but in case you decide to try it (no harm can come of this), you would need 4. |
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09-26-2015, 11:24 AM | #38 | |
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Thanks. Hope someone can chime in for stock engine
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09-26-2015, 12:11 PM | #39 |
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Only for tuned cars, you do not need it for stock car.
It's like putting 93 octane on a honda that calls for 87. If you're having issue on a stock car, best to take it into the dealer and see what's going on first.
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12-13-2015, 07:05 PM | #40 |
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What does everyone mean about stuttering in hot weather?
Ive started to lose power in heat but i just assumed because its hot asf? I'll definitely be getting sparks now that I've read this and another post now that its come to my attention? |
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01-22-2016, 08:35 AM | #41 |
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Hey guys i asked one of the local dealerships if i could have M4 spark plugs put into my car.
He says i dont need to mine will hold up just fine, Should i just say i plan on tuning it in the future? He also says hes not even sure if its compatible for N20 :/ I should say alot of people do it and i plan on tuning car in future? |
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01-22-2016, 10:11 AM | #42 | |
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Could be Intake Air Temp raises up (usually) due to small Intercooler. So if you live in a hot climate or track your car often a MUST supporting mod is Front Mount Intercooler upgrade The reason some of us and not all have upgraded our plugs, its because every car is different. Some cars have been running tuned on stock plugs longer than others and some cars are tuned more aggressively so the stock plugs in certain climates don't hold up too well. So thanks to Stubok who did a lot of research for the N20 community found that upgrading to S55 plugs (step colder) got rid of all his misfiring hesitation. Which in most cases it has as well for others. So check your plugs and injectors and depending on how many miles you've been running tuned it may need upgrade. Its all part of the fun, faster more wear.
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