[namburger]

Hey guys, just ordered these sparkplugs:
https://www.ecstuning.com/b-ngk-part...ach/97506~ngk/
to pair with these dinan coils:
https://www.ecstuning.com/b-dinan-pa...d650-0004~din/

I'm getting really conflicting numbers on the gap size to do on the sparkplugs...

Anyone have the same setup? What do you recommend for mhd stage2+ with these mods:

Dinan Air Intake, Dinan Exhaust, Dinan Interkooler, Dinan Short Shifter, Dinan High-Capacity Oil Cooler, COBB Charge Pipe

[EDIT]
Sorry, copied and pasted by build and I forgot to list upgraded turbos and idx12. Looking to get highlow dp soon.

[TiAgAu]

Originally Posted by namburger

Hey guys, just ordered these sparkplugs:
https://www.ecstuning.com/b-ngk-part...ach/97506~ngk/
to pair with these dinan coils:
https://www.ecstuning.com/b-dinan-pa...d650-0004~din/

I'm getting really conflicting numbers on the gap size to do on the sparkplugs...

Anyone have the same setup? What do you recommend for mhd stage2+ with these mods:

Dinan Air Intake, Dinan Exhaust, Dinan Interkooler, Dinan Short Shifter, Dinan High-Capacity Oil Cooler, COBB Charge Pipe

Plenty of threads on this already. But a good read https://bmwsparkplugs.com/blogs/bmw-...ark-plug-guide

[namburger]

Originally Posted by TiAgAu

Plenty of threads on this already. But a good read https://bmwsparkplugs.com/blogs/bmw-...ark-plug-guide

Thank you so much, exactly what i was looking for

[jadams161]

You do not need colder plugs on stock turbos. The stock Bosch plugs are fine. If you want a colder plug try the stock N55 plug. Why do so many people jump on the 2 steps colder NGK bandwagon on stage 2 FBO? Its just not needed.

[AWD Addict]

Originally Posted by namburger

Hey guys, just ordered these sparkplugs:
https://www.ecstuning.com/b-ngk-part...ach/97506~ngk/
to pair with these dinan coils:
https://www.ecstuning.com/b-dinan-pa...d650-0004~din/

I'm getting really conflicting numbers on the gap size to do on the sparkplugs...

Anyone have the same setup? What do you recommend for mhd stage2+ with these mods:

Dinan Air Intake, Dinan Exhaust, Dinan Interkooler, Dinan Short Shifter, Dinan High-Capacity Oil Cooler, COBB Charge Pipe

1) No catless DPs? If not, you're not Stage 2+
2) You should be running stock plugs at Stage 2+.

This colder plug bit is so silly.

[whyzee125]

Stock plugs. I don't know why everyone's so obsessed with colder plugs lol

[335i54n]

cause its proven and youre adding hp

colder plugs, eldors and lower gap removes almost all ignition issue drive-ability possibilities

you can gap 1 step colder plugs

there are no benefits to oe plugs on fbo

there are only benefits with colder plugs on fbo

[AWD Addict]

Originally Posted by 335i54n

cause its proven and youre adding hp

colder plugs, eldors and lower gap removes almost all ignition issue drive-ability possibilities

you can gap 1 step colder plugs

there are no benefits to oe plugs on fbo

there are only benefits with colder plugs on fbo

WTF Are you talking about? What benefits? I've had Stage II+ for years, and I've never had "ignition issue drivability possibilities," whatever the F those are. There's literally zero science that says a colder plug does anything at Stage 2+ or below.

This is such silliness. It's worse than the golf-tee mod. It's just people desperate to have a cool list of things they did to their car while not spending any real money. Or to say "I had to do this bcz omgzors mai horzpowerz!" to their friends.


Color me annoyed.

[whyzee125]

Originally Posted by 335i54n

cause its proven and youre adding hp

colder plugs, eldors and lower gap removes almost all ignition issue drive-ability possibilities

you can gap 1 step colder plugs

there are no benefits to oe plugs on fbo

there are only benefits with colder plugs on fbo

If you're having drivability issues you've got problems with your car. I've been FBO for the past 13 years on 4 different 335's and there is zero reason to go colder.

I genuinely think people don't even know what colder plugs mean but over the past 2 years every clapped out FB marketplace 335i is advertised for its colder plugs like the greatest thing since sliced bread.

NGK's can be gapped and are good for when your boost and power levels exceed the capabilities of the stock plugs, which doens't happen until way higher power levels.

Bosch lasts 3 times longer, doesn't require gapping, and works perfectly out of the box every time. People way overthink this.

[oVeRdOsE.]

''fire triangle or combustion triangle'' heat, fuel, and an oxidizing agent.

not because it's an engine, that combustion principle changes.

So you won't have more hp.

Now, you can have a more efficient and more complete combustion if you're using the right ignition temperature.

Colder plugs wont cause any issue on stock engine, but will mostlikely give you a lower ignition temperature, that can cause a incomplete combustion, thus lower mpg.
NGK 2 step also got a bigger tip than bosch OEM equivalent, that can affect mpg on ''paper'' too.
They might also have a shorter life.

(and no it wont give missfire because too cold, the spark will remain in the combustion temperature range anyway. If not, people would have issue to start the car @ -25°F, which is not an issue)

Even if you go 2 step , the engine wont missfire, and if you want to increase the power one day with bigger turbos, it will probably eliminate a cause of knock or missfire.

Like other said, I dont see the value of it, as of right now, for your setup, no HP benefit, and maybe lower mpg



we shouldn't be to surprised about OP thread, N54 is known to have ignition engine code for many reason, and over all the other reason, sparkplugs is often one of them. But I agree, this happens on more serious built.
easier and cheapest one is sparkplug.
; lpfp delevery, hpfp, coils, DME mosfet, injectors, wiring connectors, tune, piggy back, sparkplug gap, air temps and probably a couple more

[suspect]

Originally Posted by whyzee125

If you're having drivability issues you've got problems with your car. I've been FBO for the past 13 years on 4 different 335's and there is zero reason to go colder.

I genuinely think people don't even know what colder plugs mean but over the past 2 years every clapped out FB marketplace 335i is advertised for its colder plugs like the greatest thing since sliced bread.

NGK's can be gapped and are good for when your boost and power levels exceed the capabilities of the stock plugs, which doens't happen until way higher power levels.

Bosch lasts 3 times longer, doesn't require gapping, and works perfectly out of the box every time. People way overthink this.

Out of curiosity what sort of power/boost requires colder spark plugs? Various articles and posts talking about colder spark plugs so I was going to try them for random timing corrections (sometimes adjacent) after shifts (6MT). I have dropped the idea now probably stick with stock.

[335i54n]

umm ok, increasing boost 2-3x yup has no effect and taking step to fine tune and lessen the possibility of issues is so stupid.

[AWD Addict]

Originally Posted by suspect

Out of curiosity what sort of power/boost requires colder spark plugs? Various articles and posts talking about colder spark plugs so I was going to try them for random timing corrections (sometimes adjacent) after shifts (6MT). I have dropped the idea now probably stick with stock.

You'd have to be burning so hot, you're teasing detonation. Much more fuel and air (upgraded fuel system / meth, bigger snail), higher IATs etc. Not stage 2+ levels of power. At that stage, you're custom tuning and adjusting a lot more than a set of plugs.

That's when you'd want to dial down combustion temperature. Otherwise you're just leaving unburned fuel and gumming shit up.

If you're leaving bolt-on territory, that's when meth, plugs and a dozen other items are being considered. Otherwise, with the damned one-step-colder plugs: ugh.

[suspect]

Originally Posted by AWD Addict

You'd have to be burning so hot, you're teasing detonation. Much more fuel and air (upgraded fuel system / meth, bigger snail), higher IATs etc. Not stage 2+ levels of power. At that stage, you're custom tuning and adjusting a lot more than a set of plugs.

That's when you'd want to dial down combustion temperature. Otherwise you're just leaving unburned fuel and gumming shit up.

If you're leaving bolt-on territory, that's when meth, plugs and a dozen other items are being considered. Otherwise, with the damned one-step-colder plugs: ugh.

Worse for injectors if colder plugs are gumming them up.

[namburger]

Originally Posted by jadams161

You do not need colder plugs on stock turbos. The stock Bosch plugs are fine. If you want a colder plug try the stock N55 plug. Why do so many people jump on the 2 steps colder NGK bandwagon on stage 2 FBO? Its just not needed.

- I forgot to list that the car also have upgraded turbos && idx12.
- I've never tuned bmw and just trying to get my feet wet at mhd but planning for more.
- I mentioned that I've had misfired problems so I wanted upgrade, guess I didn't really do enough home works.

Thanks all, I'm learning a bit from this thread

[iqraceworks]

Originally Posted by AWD Addict

WTF Are you talking about? What benefits? I've had Stage II+ for years, and I've never had "ignition issue drivability possibilities," whatever the F those are. There's literally zero science that says a colder plug does anything at Stage 2+ or below.

This is such silliness. It's worse than the golf-tee mod. It's just people desperate to have a cool list of things they did to their car while not spending any real money. Or to say "I had to do this bcz omgzors mai horzpowerz!" to their friends.


Color me annoyed.

I agree with you. 1 step colder is just a little extra insurance against detonation, but probably not "needed". 1 step colder is fine for everything up to big hp single turbo motors.

People saying "go 2 step colder" is just from people posting bad info on the internet. If someone said "dude...you really need to run 4 steps colder on your plugs for big power"....you can bet people would try it

[iqraceworks]

Originally Posted by suspect

Worse for injectors if colder plugs are gumming them up.

Please explain why colder plugs will gum up injectors? I'm curious.....