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Old 12-05-2016, 02:37 AM   #1
peteris_b
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Advice on spark plugs needed

Hello E46 fanatics, new member here with my E46 330ci lemon.

So here I am having a difficulty to choose from spark plugs, In local shops sales people are pushing nkg plugs. But never listen to the shop staff they will always say good things about theirs stock.

So far I have considered:

Bosch super 4

Brisk dor15lgs

And something strange just came up

Vta 3d spark plug

https://m.alibaba.com/product/113896...PARK-PLUG.html



Any advice will be appreciated_a_
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Old 12-05-2016, 09:39 AM   #2
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NGK BKR6EQUP, that's what comes from the factory and what the majority of us use and recommend.
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Old 12-05-2016, 09:44 AM   #3
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NGK, the worlds best spark plug!
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Old 12-05-2016, 09:59 AM   #4
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Originally Posted by Solidjake View Post
NGK BKR6EQUP, that's what comes from the factory and what the majority of us use and recommend.
Thank you for your reply, so in the essence the advice I stick to OEM, so the advertised benefits of performance plugs doesn't help? Like e count?
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Old 12-05-2016, 10:03 AM   #5
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What was the purpose of the video and timer ?
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Old 12-05-2016, 10:12 AM   #6
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What was the purpose of the video and timer ?
I believe the purpose of the clock in the video to show that footage is realtime, those plugs can only be found on alibaba
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Old 12-05-2016, 11:28 AM   #7
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Thank you for your reply, so in the essence the advice I stick to OEM, so the advertised benefits of performance plugs doesn't help? Like e count?
A common misconception is that changing spark plugs will result in a large power increase. In most cases, removing even seriously worn out spark plugs will only result in very modest power gains, typically about 1-2% of total engine output. This could be even less for computer-controlled vehicles, primarily because most newer vehicles have more powerful ignition systems and the vehicle's computer can make adjustments so that vehicle operation seems smoother and more seamless.

Many people think that simply supplying more spark to the firing tip can and will combust more fuel. What they don't understand is that most newer car engines are so efficient that they are already burning all of the available fuel. Simply adding more spark voltage can't burn more fuel because there is no more fuel to burn.

When a stock or near-stock engine is given a fresh set of spark plugs, peak efficiency is restored. The power gains that come from this restored state of tune are usually minimal. Any company that tells you that their spark plug will provide significant gains in power in a stock or near-stock engine is making blanket statements that may not be supportable.
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Old 12-05-2016, 11:37 AM   #8
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Originally Posted by peteris_b View Post
those plugs can only be found on alibaba
The best reason to stay away from them
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Old 12-05-2016, 11:42 AM   #9
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Originally Posted by goodmanr View Post
A common misconception is that changing spark plugs will result in a large power increase. In most cases, removing even seriously worn out spark plugs will only result in very modest power gains, typically about 1-2% of total engine output. This could be even less for computer-controlled vehicles, primarily because most newer vehicles have more powerful ignition systems and the vehicle's computer can make adjustments so that vehicle operation seems smoother and more seamless.

Many people think that simply supplying more spark to the firing tip can and will combust more fuel. What they don't understand is that most newer car engines are so efficient that they are already burning all of the available fuel. Simply adding more spark voltage can't burn more fuel because there is no more fuel to burn.

When a stock or near-stock engine is given a fresh set of spark plugs, peak efficiency is restored. The power gains that come from this restored state of tune are usually minimal. Any company that tells you that their spark plug will provide significant gains in power in a stock or near-stock engine is making blanket statements that may not be supportable.
Actually, to take this a step further, the cheap "hot" plugs provide the best performance. They just don't last as long.

NGK 6962 are the better plugs to buy if someone wants better performance. And it's not a big deal to replace them on this engine. http://forum.e46fanatics.com/showthread.php?t=1109150

Last edited by lingon300k; 12-05-2016 at 11:42 AM.
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Old 12-05-2016, 11:50 AM   #10
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Quote:
Originally Posted by lingon300k View Post
Actually, to take this a step further, the cheap "hot" plugs provide the best performance. They just don't last as long.

NGK 6962 are the better plugs to buy if someone wants better performance. And it's not a big deal to replace them on this engine. http://forum.e46fanatics.com/showthread.php?t=1109150
So correct me if I am wrong:
Long lifespan - the recommended standard plugs

Performance plugs - shorter lifespan
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Old 12-05-2016, 11:55 AM   #11
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I'm using standard NGK coppers, but unless you LIKE checking your plugs every 20k miles, get a better plug.
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Old 12-05-2016, 12:11 PM   #12
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Thank you guys for the advice so far from everyone, the only thing what seems strange that nobody is recommending performance options. I agree what bkmrsteel said if you go for something more extra you will be changing plugs quite often
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Old 12-05-2016, 12:13 PM   #13
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Copper plugs are the most efficient i.e. The cheap ones but they don't last as long as platinum or iridium tipped plugs. So in essence if your looking for the best plug possible go with a copper core ngk or equivalent but plan on changing them around 30k miles. Where iridium plugs are good to 100k at least
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Old 12-05-2016, 12:28 PM   #14
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The best reason to stay away from them
lol I guess because our computer system wont even let us get on this site.
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Old 12-05-2016, 01:22 PM   #15
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lol I guess because our computer system wont even let us get on this site.
Your compan block alibaba? Strange haha, still 360 degree spark plug l interesting, interesting, it?
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Old 12-05-2016, 01:42 PM   #16
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I installed Bosch 4417's a few weeks ago and all is well. Paid $4 each for them.
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Old 12-05-2016, 02:31 PM   #17
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Thank you for your reply, so in the essence the advice I stick to OEM, so the advertised benefits of performance plugs doesn't help? Like e count?
Spark plug marketing is mostly bullshit. Just get OEM plugs.
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Old 12-05-2016, 02:44 PM   #18
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Originally Posted by WDE46 View Post
Spark plug marketing is mostly bullshit. Just get OEM plugs.
Let's say the vehicle has got some 143k miles on it, with most likely gunked up combustion chamber, would OEM plugs perform the same? Or is is worth t compensate with a plugs witch has larger electrode surface area?

Last edited by peteris_b; 12-05-2016 at 02:45 PM.
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Old 12-05-2016, 02:50 PM   #19
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OP,

Why is your Bimmer a "Lemon" ?



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Old 12-05-2016, 03:14 PM   #20
peteris_b
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OP,

Why is your Bimmer a "Lemon" ?



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Remember "Colin" from car Throttle? Almost the same situation here, haha

But to tell you the truth I love it, because it is a perfect project car to work on. So far refurbished air intake, ICV, DISA, replaced cooling fan and Valve cover gasket. Still need to replace ccv all vacuum lines, overhaul cooling system, flush the engine lots of work. But I love it

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