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      04-03-2017, 12:48 PM   #23
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S55 plugs work well for me.
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      04-03-2017, 01:20 PM   #24
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Quote:
Originally Posted by yoandry View Post
Quote:
Originally Posted by ocN55 View Post
PSA

the NGK 5992 are NOT one step colder than stock N55 plugs, same heat range. N54 is a different story, which is why it was such a popular choice.
http://www.e90post.com/forums/showthread.php?t=1224377


I'd look into copper plugs, better performance but much shorter intervals.
So, Are you saying that this NGK 5992 old#, now NGK 95770 1 step colder is the same as stock n55?
NGK 5992 is one step colder than N54, but OEM N55 is already one step colder than N54. So yes
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      04-03-2017, 01:56 PM   #25
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Depending how much boost you're running I'd recommend the S55 or N20 oem plugs.
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      04-10-2017, 06:39 PM   #26
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So does anyone have the answer to what is the one step colder plug for the n55?
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      04-11-2017, 10:23 PM   #27
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I thought answer was S55.


We need a tuner or expert to weigh in. Even shops here don't know. I blew 4 plugs and coil packs due to poor gapping on stock plugs and High boost, so def don't experiment with this crap.
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      04-11-2017, 11:37 PM   #28
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Quote:
Originally Posted by shivaswrath View Post
I thought answer was S55.


We need a tuner or expert to weigh in. Even shops here don't know. I blew 4 plugs and coil packs due to poor gapping on stock plugs and High boost, so def don't experiment with this crap.
I wasn't sure if the S55 was the one step colder, however that does seem to be correct. Another person posted that it is indeed the 97506, spendy bastards, guess I'll try to get them off ebay and save $4 per plug.
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      04-12-2017, 10:49 AM   #29
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Bms told me ngk 5992 at .022 so thats what i did
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      04-12-2017, 11:46 AM   #30
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Quote:
Originally Posted by sicmadek View Post
Bms told me ngk 5992 at .022 so thats what i did
According to everyone else that info isn't correct for the N55.
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      04-12-2017, 12:06 PM   #31
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Quote:
Originally Posted by Zel335 View Post
Quote:
Originally Posted by sicmadek View Post
Bms told me ngk 5992 at .022 so thats what i did
According to everyone else that info isn't correct for the N55.
Its your car. My logs say the plugs are good. Ill swap to s55 plugs when i go ps2.
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      04-12-2017, 01:22 PM   #32
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I need to look Into this for my car
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      04-12-2017, 05:41 PM   #33
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Quote:
Originally Posted by sicmadek View Post
Its your car. My logs say the plugs are good. Ill swap to s55 plugs when i go ps2.
Wasn't saying it was bad you went to those plugs, was only saying they are not the one step colder like BMS said.
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      04-13-2017, 10:59 AM   #34
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Here is what Terry from BMS sent me:

'If money is no object I like the NGK 2step colders gapped to .020" '
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      04-13-2017, 11:32 AM   #35
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Quote:
Originally Posted by Insane435 View Post
Here is what Terry from BMS sent me:

'If money is no object I like the NGK 2step colders gapped to .020" '
But if ngk 5992 is same heat range as stock what is 2 steps colder? I was under the impression that n20 plugs were 1 step colder than 5992.
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      04-13-2017, 11:56 AM   #36
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Quote:
Originally Posted by sicmadek View Post
But if ngk 5992 is same heat range as stock what is 2 steps colder? I was under the impression that n20 plugs were 1 step colder than 5992.


97506 is 2 step colder. Gapped to .020"

This is sold on bms' website
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      04-13-2017, 11:58 AM   #37
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Quote:
Originally Posted by Insane435 View Post
Quote:
Originally Posted by sicmadek View Post
But if ngk 5992 is same heat range as stock what is 2 steps colder? I was under the impression that n20 plugs were 1 step colder than 5992.


97506 is 2 step colder. Gapped to .020"

This is sold on bms' website
So what is 1 step colder than stock then?
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      04-13-2017, 12:00 PM   #38
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Quote:
Originally Posted by sicmadek View Post
So what is 1 step colder than stock then?
5992 gapped to .022"

This is from Terry and is sold on their sote as well.
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      04-13-2017, 12:01 PM   #39
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Quote:
Originally Posted by Insane435 View Post
Quote:
Originally Posted by sicmadek View Post
So what is 1 step colder than stock then?
5992 gapped to .022"

This is from Terry and is sold on their sote as well.
Thats what i was saying before but everyone said 5992 is the same as stock
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      04-13-2017, 12:04 PM   #40
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Quote:
Originally Posted by Insane435 View Post
5992 gapped to .022"

This is from Terry and is sold on their sote as well.
But again, some people said that is wrong. That step colder is from n54 plugs not from n55. Heck the part # also changed.
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      04-13-2017, 01:04 PM   #41
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Quote:
Originally Posted by yoandry View Post
But again, some people said that is wrong. That step colder is from n54 plugs not from n55. Heck the part # also changed.
That could be true. Ill do some more digging.
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      04-16-2017, 08:12 PM   #42
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Quote:
Originally Posted by Insane435 View Post
That could be true. Ill do some more digging.
Can anyone confirm the plug situation? What are people running on Map 2 cars and E85?
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      04-17-2017, 11:38 AM   #43
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Quote:
Originally Posted by Insane435 View Post
Can anyone confirm the plug situation? What are people running on Map 2 cars and E85?
Waiting on this also as I have 46k miles on my spark plugs and thinking to change them soon.
I dont have any issues that I know with the stock ones running on map2/93 - week and map5/e40 - weekends. So that may be true about that one step colder is from n54 and the same as the oem n55. For now Im leading to s55.
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Last edited by yoandry; 04-18-2017 at 09:04 AM..
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      04-17-2017, 06:36 PM   #44
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Quote:
Originally Posted by Zel335 View Post
Quote:
Originally Posted by sicmadek View Post
Bms told me ngk 5992 at .022 so thats what i did
According to everyone else that info isn't correct for the N55.
Confirmed don't do this! You'll blow your $hot up.
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