spark plugs

[dasquade]

Those are indeed the ngk race plugs...
Apr advices a gap of 0.6mm (apperently those are gapped 0.7mm). My oem ngk 'm' plugs were gapped 0.6mm.

[innercry666]

Picked up my used RS6 PE last week and have noted that the engine seems to have some 'odd' vibrations that come from it. I've found that one is down to the COD going from 4 to 8 cylinders at low speed but I have a 'vibration' that occurs mainly at motorways speeds and is very much a horizontal movement as opposed to vertical movement. The engine doesn't feel particularly smooth or 'relaxed'

Does anyone else have this kind of 'feature' and could it be related to misfires or COD?

[B-ill]

Could someone confirm the correct NGK uprated plugs. My cats at Aylesbury Audi atm and they have said the plugs I have provided are incorrect. I purchased these through a friend who works at Euro car parts, they were mentioned in this thread previously.

https://www.opieoils.co.uk/p-64238-ngk- ... kplug.aspx

Audi sent me these pictures to show the difference bewteeen the OEM and the NGK?! They are completely different IMO

[Anth]

Try email to be sure with the details of your car, they will send straight out to Audi for you.

info@ngksparkplugs.com

[MikeFish]

I think there's another thread where someone has given the part number and then I quoted the number from this thread and then someone said they are not the ones.

[uplandsway]

I think there's another thread where someone has given the part number and then I quoted the number from this thread and then someone said they are not the ones.

These are the correct NGK Race Plug type as far as I know and understand used by both MRC and now APR (installed in my car)

https://www.opieoils.co.uk/p-64238-ngk- ... kplug.aspx


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[Golfather]

The plugs you have are NGK race plugs R7438-8 which have a different tip design.
The current dealer NGK plugs specced for the RS6/7 are 06K905601M

I would stick with OEM as they work well and have been superceded twice.

[Anth]

The plugs you have are NGK race plugs R7438-8 which have a different tip design.
The current dealer NGK plugs specced for the RS6/7 are 06K905601M

I would stick with OEM as they work well and have been superceded twice.

One of the Audi Master techs that worked in motor sport for 34 years told me exactly that, the current OEMs are perfect . I had already bought NGK, if your running additional boost change out more frequently, a set of sparks evey 25k isn't breaking the bank these days .

[MikeFish]

The plugs you have are NGK race plugs R7438-8 which have a different tip design.
The current dealer NGK plugs specced for the RS6/7 are 06K905601M

I would stick with OEM as they work well and have been superceded twice.

One of the Audi Master techs that worked in motor sport for 34 years told me exactly that, the current OEMs are perfect . I had already bought NGK, if your running additional boost change out more frequently, a set of sparks evey 25k isn't breaking the bank these days .

According to Audi your car should have new sparks every 20k.

[Anth]

The plugs you have are NGK race plugs R7438-8 which have a different tip design.
The current dealer NGK plugs specced for the RS6/7 are 06K905601M

I would stick with OEM as they work well and have been superceded twice.

One of the Audi Master techs that worked in motor sport for 34 years told me exactly that, the current OEMs are perfect . I had already bought NGK, if your running additional boost change out more frequently, a set of sparks evey 25k isn't breaking the bank these days .

According to Audi your car should have new sparks every 20k.

I know Mike this is my third RS and evey time before its been 40k! Then the NGKs went in @ 25k so a little over - I seem to get a decent deal from them at the moment around 50% off stand pricing across the board

[Markwes]

The plugs you have are NGK race plugs R7438-8 which have a different tip design.
The current dealer NGK plugs specced for the RS6/7 are 06K905601M

I would stick with OEM as they work well and have been superceded twice.

One of the Audi Master techs that worked in motor sport for 34 years told me exactly that, the current OEMs are perfect . I had already bought NGK, if your running additional boost change out more frequently, a set of sparks evey 25k isn't breaking the bank these days .

According to Audi your car should have new sparks every 20k.

After having my car serviced last month Audi advised me to change the spark plugs as it showed on the system they had never been done, with the mileage on 57000 they were a little overdue!! Should of been done at 20k miles!!!
They quoted me a little over £430 for parts and labour which I thought was a bit steep so ended up buying a set of OEM plugs off eBay for £139 and went about changing them myself thinking it would be a straight forward job

Took me 3 hours to do. On the drivers side you have to remove the entire air box and then there’s a wiring harness that sits on top of the coil packs, unplugging the harness only just gives you enough room to wiggle the coil packs out. The passenger side was by far the worst, you have to drain and remove the coolant tank and again there is a harness on top of the coil packs, but this one you can barely move even when you’ve unplugged everything you can get to, proper pain in the arse to get the coils out and then even worse to get the spark plug out of cylinder #7 which was almost seized solid .

Interesting thing I did notice was that the spark plugs all appeared to be torqued up differently. Cylinders #8 & 5 were almost loose and yet 7 & 1 were tight as a nuns chuff...very strange.

This was the state of the plugs after 57000 miles and would probably be causing the odd false start I was getting before the change . I can fully understand now why Audi want 2+ hours labour to do the change.



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[dasquade]

Spark plug changing is indeed more about removing stuff to get access to them then the plug swap itself sadely and always need to be bit carefull you don't break something while doing that.
Hmm funny you mention but i had the same experience when i swapped my plugs.
First time (before done by dealer) indeed some plugs where very torqued other almost hand lose and that scared me :s.
Not sure what the torque settings are for plugs but was scared aswell to not overtight them.

[Tadass910]

Yep Audi takes money, my tpms sensor died in one of the wheels and they ask 430 eur for everything with a labor

[dasquade]

Hmm, can we have partnumbers on the spark plugs...standard vs performance onces? Last thing i read they all use the same 'M' version :s. (06K905601M)
And yes, it does take a decent amount of time to get access to the plugs especially if you want full access and do a decent work.
Needs removal of airbox, coolant reservoir, a zillion electro plugs and ideally several vacum lines.
A trained worker might be able to do it in 1-2h but count a good 3h. Sadely like most things on this block is pretty tight and hidden away .