Being convicted of a DWI/DUI is a serious offense and it carry’s heavy penalties. Penalties for driving while intoxicated vary according to BAC level and how many times you’ve been convicted. New Jersey law permits the Judge to suspend your license (anywhere from 3 months to 10 years), charge thousands of dollars in fines, fees and surcharges, potentially require the installation of an ignition interlock device, mandate alcohol counseling, possible jail time and community service.