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      10-04-2020, 12:21 PM   #9
Davisca455's Avatar

Drives: 2008 M3
Join Date: Oct 2012
Location: Davis, California

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Originally Posted by PYE46M3 View Post
Originally Posted by Davisca455 View Post
Some racing plugs, NGK R2556G-9.
Spec'd for the S/C kit by GP Infinitas (formerly G-Power).
I guess they don't use the ionic knock sensing?
Zero evidence of detonation though.

I've been in contact with GP Infinitas this last week, ordering spare air filters and fixed idlers, and they asked about selling me a cable so I could update my tune (kit/software is almost 10 years old now). They said "better drivability and better DCT shifting".
But the car is fine the way is, and I'm afraid to change anything, because it's a super early kit and they were still developing it when it was installed.
Right after it was installed, it would do this weird downshift thing, when in manual mode, so some mod to the gas pedal was made. Then they asked that the DME be sent back to Germany for an update to the software. When they shipped the DME back they included a smaller blower pulley and a shorter belt.
where did u get these plugs? hope they are authentic NGK. packaging looks beat and questionable
Very observant!
They are the boxes that the G-Power plugs (R2556B-9) came in back in '09, and I use them to store the original plugs.
They weren't opened very carefully by the kit installer, so I taped them back together.
Then every 2 years I have to get back into the boxes to retrieve the stock plugs and store the G-Power plugs for a few days....

Last pic is of the boxes the new plugs (R2556G-9) came in.
I got these from Summit Racing.
Attached Images

2008 E92

Last edited by Davisca455; 10-04-2020 at 12:40 PM..
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