Spark plugs … After 20.000 km. Nice light brown color, and only little signs of wear. Only the gap has widened to 1.0 mm. New plugs are being installed as a part of the 40.000 km service. By Jens|2013-12-27T17:23:55+01:00December 27th, 2013|BMW F800S| Share This Article FacebookTwitterLinkedInTumblrPinterestVkEmail