Mobil 1 FS X1 5W-50 High Performance Advanced Fully Synthetic Motor Oil Engine Protection for High Mileage Vehicles Mobil 1 FS X1 5W-50 is a high performance advanced fully synthetic motor oil formulated to provide exceptional cleaning performance. It is recommended for many types of vehicles with high mileage over 100,000 km. Mobil 1 FS X1 5W-50 provides the following benefits: Excellent wear protection: Mobil 1 FS X1 5W-50 helps to protect your engine from wear, even under extreme conditions. Enhanced cleaning technology: Mobil 1 FS X1 5W-50 helps to clean and protect your engine from harmful deposits, sludge, and varnish. Wide temperature range: Mobil 1 FS X1 5W-50 flows easily at low temperatures, providing protection during cold starts. It also maintains its viscosity at high temperatures, providing protection under extreme heat. Long drain intervals: Mobil 1 FS X1 5W-50 can be extended between oil changes, saving you time and money. If you are looking for a high performance