The Liqui Moly Maintenance Service Kit - 136931 is a comprehensive kit designed for maintaining and servicing a car. It includes a variety of products that are essential for keeping a car running smoothly and efficiently. The kit contains six different items, each with a specific purpose in maintaining a car's performance.

The first item in the kit is an engine oil additive, which is designed to improve the lubrication and protection of the car's engine. This helps to reduce friction, wear, and tear on the engine, resulting in better overall performance and longevity.

The second item is a fuel system cleaner, which helps to remove deposits and build-up in the fuel system. This can improve fuel efficiency and engine performance, as well as reduce emissions.

The third item is an engine flush, which is used to clean the internal components of the engine and remove any sludge or build-up that may be hindering its performance. This can help to improve engine power and efficiency.

The fourth item is a brake cleaner, which is used to remove dirt, grime, and brake dust from the brake system. This can improve the effectiveness of the brakes and ensure safe and reliable braking.

The fifth item is a radiator cleaner, which helps to remove contaminants and build-up in the cooling system. This can improve the efficiency of the cooling system and prevent overheating.

The final item is a windshield washer fluid, which is used to clean the windshield and improve visibility while driving. This can also help to protect the windshield from damage caused by dirt and debris.

Overall, the Liqui Moly Maintenance Service Kit - 136931 is a comprehensive and essential kit for maintaining a car's performance and ensuring a smooth and safe driving experience.