Direct Fit Threaded Funnel: Oil funnel for oil change screws into the filler neck to stay secure during motor oil refills. Vehicle Specific Threads: Engine oil funnel set fits GM and BMW engines for stable, spill-reducing pouring. Transparent Lower Chamber: Automotive funnel lets you monitor oil flow to help prevent overfilling. Wide Flow Passage: Car funnel allows faster oil pouring to reduce refill time and mess. Single Funnel Design: Simple car oil funnel setup for routine automotive no spill funnel oil changes and maintenance.