OWI (Operating While Intoxicated) and OWVI (Operating While Visibly Impaired) are different offenses under the Michigan Vehicle Code. OWI is not limited to a BAC reading alone. In Michigan, prosecutors can establish the offense either by showing an unlawful bodily alcohol content or by proving the driver was under the influence of alcohol, drugs, or a combination of the two. OWVI is the lesser offense and requires proof that, because of alcohol, drugs, or another intoxicating substance, the person’s ability to drive was visibly impaired. This difference affects penalties, points, and license sanctions. At Michigan Defense Law, Oakland County criminal...