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new spark plugs

  1. MKV GTI
    Hey guys, just thought i'd share with you my experience, in decemeber i got new coil packs and plugs from ECS running ( NGK (BKR7EIX)). I swaped out the old and in with the new. right off the bat, my fule milage went down, i didn't have time to investigate as it wasn't a crazy different. this...