The Liqui Moly Maintenance Service Kit - 485927 is a comprehensive kit of products designed to provide regular maintenance for a car. It includes a variety of essential products that help to keep a car running smoothly and efficiently. The kit consists of the following contents: engine oil, transmission fluid, brake fluid, power steering fluid, coolant, fuel system cleaner, engine flush, and air filter. These products are all essential for maintaining the various systems of a car and ensuring optimal performance. The engine oil helps to lubricate and protect the engine, while the transmission fluid and brake fluid ensure smooth shifting and braking. The power steering fluid helps to maintain the steering system, while the coolant prevents the engine from overheating. The fuel system cleaner helps to improve fuel efficiency and engine performance, and the engine flush removes any buildup and contaminants from the engine. Lastly, the air filter ensures clean air is entering the engine for proper combustion. This maintenance service kit is designed to provide all the necessary products for a complete car tune-up, ensuring that the car is in top condition and running at its best.