Here is what my spark plugs looked like after 61,000 miles. No tunes except for a SSTT for a couple thousand miles. Just upgraded to a JB3 and figured I better change them. Don't look to different than the ones by the OP at 16,000 miles. Sorry for the crappy iPhone pics.
__________________
335i E90 | BMS DCI | Black Matte Grill | JB4 | Logic 7 | Sport | Premium | Cold |
|