coolant, plugs, etc

Forum for Infiniti M37, M56 M35h Hybrid and Q70 owners.
ssmrico
Posts: 402
Joined: Mon Mar 13, 2017 6:10 am
Car: 2011 Infiniti M37 S

Post

looked around and didn't see

aside from OEM coolant what else are yall using for m37 or 56 im sure its the same or which one can be mixed with oem one?

what ngk part number is best or used for the spark plugs? the shop I go to told me to run 1 step colder from the gtr and comes out to about the same price as getting some for the m37 specifically?

was also told this car don't gain much from test pipes, to do headers and cat back and not worry much about test pipes.
any help, info, opinions or recommendations?

thank you in advance.


Larz
Moderator
Posts: 2894
Joined: Thu Feb 21, 2013 8:55 pm
Car: 2019 Q70-L RWD
Location: Ft Lauderdale, Florida
Contact:

Post

This isn't specifiec to an M37, but it is how I view my car. The plug part number should be in your manual - if not, just call the service desk at your local dealer and he / she can provide the OEM part numbers for anything you want to replace. Then I search Ebay for the part number and you will find actual Inifniti dealers that sell most anything at reduces rates with free shipping. I buy my filters, power steering fluid, etc from Circle Infiniti on Ebay.
As for test pipes, etc. there is no significant gain from pipes, CAI, etc alone unless you do an up-rev with them.

ssmrico
Posts: 402
Joined: Mon Mar 13, 2017 6:10 am
Car: 2011 Infiniti M37 S

Post

yeah ill be doing a tune always do with all cars after adding goodies lol

and yeah I was trying to find aside from Infiniti u know usually u save outside of the stealership at times lol

ssmrico
Posts: 402
Joined: Mon Mar 13, 2017 6:10 am
Car: 2011 Infiniti M37 S

Post

was told to run 1 step colder plugs from the gtr umm

ssmrico
Posts: 402
Joined: Mon Mar 13, 2017 6:10 am
Car: 2011 Infiniti M37 S

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Will Power
Posts: 3
Joined: Fri Apr 29, 2016 4:26 pm
Car: 2003 Nissan Maxima SE
Location: Toronto, Canada

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I read the other post about flushing coolant for late model Infinitis, but the M37x and M56 were not covered. Seems complicated; I change the coolant once a year on my Maxima and just drain from the rad (block plugs ae usually seized after a few years and hard to get to), then refill using my Spill Free funnel and idle the engine (revving it a bit on occasion to help the process) while air bleeds until the cooling fans come on, and then close up and too off the reservoir extra. This won't work on these beautiful M56s?

ssmrico
Posts: 402
Joined: Mon Mar 13, 2017 6:10 am
Car: 2011 Infiniti M37 S

Post

I found out auto parts sells a blue one like the oem one that can be used on the m37


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