Originally Posted by Heiss M3

I gapped all those plugs to .028 like audi calls for - and they're a heat range lower. I was told onetime that platinum plugs weren't really meant to be gapped, but I dont know why they wouldn't and others would.

I guess I could bump the gapping down to .026 or .025? Either way, the coil is ordered so i'm going to replace that first. If I still get any sort of misfiring codes i'll go with a new set of plugs and gap them down a more.