"with unique roundels. they were black/white with no "bmw" These roundels are used when conducting crash tests. They provide a precise reference point when measuring between 2 points. '79 320 '77 530 John W. Beggs, BC Hydro, 6911 Southpoint Dr., Burnaby, BC, V3N 4X8, Canada. Voice: (604)528-2776, FAX: (604)528-1883, EMail: [email protected]