I am running those in my car now and they are perfect!!
Personally I prefer NGK and have had excellent results on our customer's cars with NGK. They make a great plug.
On almost all FSI / TSI applications we prefer the NGK, either PFR7S (which is the 'oem' plug on most TSI engines we see) or PFR7Q gapped to .028. We have had bad luck with missfires with the Bosch on tuned cars. Stock seems fine.
I honestly can't say if you're low/high or I was low. What I can say is on my 9A 2.0 16v (rough guesstimate 185k miles)... NGK iridium plugs (standard gap)
I was having some stuttering/mis-firing at high boost on the spark plugs so I switched to the NGK BKR7E with a .028 gap. Right away I noticed a huge improvement but I can't help but feel it could be better.
I've been running these Denso's for almost a year now, seems to be a good plug for the price! :thumbup:
From my own experiences the raceplugs seem to help with misfire happy maps.
Been using the ngk ones for 10K km so far and they work just like oem, no problems, no misfires.
NGK BKR7EIX is a popular plug for 1.8T and 2.0T, but it is one step colder in the heat range. Fine for those whom don't see freezing and below temps.
I'm having the exact same problems with my 01 GTi VR6, ive replaced the coil pack and wires/plugs twice within 20,000ish miles...
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