S3 Stage 1 Rolling Road

Tay

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Just been for a mini rolling road day with a few mates. My APR stage 1 S3 made 287bhp, one issue needs sorting then they thought it would make over 300bhp.

Misfire at around 5800rpm :( need new spark plugs I think. See the printout:
ImageUploadedByTapatalk1356038162737240
 
Good to see you're enjoying it....it will get you wanting Stg2 and 2+...!
 
is your S-tronic or manual? what mileage when was it serviced and did you try to change spark plugs/ coil pack?

Manual, it's 63k last serviced at 57k. I didn't try to change the spark plugs, but I'm pretty sure that's the cause of the problem as they haven't been changed for a long time now. I was meaning to get some new ones this week but I've had flu :(
What's the opinions on the NGK one step colder plugs vs OEMs? Are the benefits worthwhile?
 

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