Diagnosis frequency and MIL illumination

Diagnosis frequency and MIL illumination - no refueling detected, leak > 0.04 inches 

Fig 1: Diagnosis Frequency And MIL Illumination (0.04 Inches) - Blinking Pattern

Courtesy of BMW OF NORTH AMERICA, INC.

Diagnosis frequency and MIL illumination - after refueling detected, leak > 0.02 inches 

Fig 2: Diagnosis Frequency And MIL Illumination (0.02 Inches) - Blinking Pattern

Courtesy of BMW OF NORTH AMERICA, INC.