The Liqui Moly Maintenance Service Kit - 137095 is a comprehensive kit designed to provide essential maintenance for cars. It includes a variety of products that are necessary for keeping a car running smoothly and efficiently. The kit contains the following contents:

1. Engine oil - This is a type of lubricant that is used to reduce friction and wear in the engine, ensuring optimal performance.

2. Fuel system cleaner - This is a chemical additive that helps to clean and maintain the fuel system, improving fuel efficiency and engine performance.

3. Air filter - This is a replaceable filter that removes dust, dirt, and other contaminants from the air entering the engine, ensuring clean air for combustion.

4. Oil filter - This is a replaceable filter that removes impurities from the engine oil, preventing damage to the engine and ensuring smooth operation.

5. Cabin air filter - This is a replaceable filter that removes dust, pollen, and other pollutants from the air entering the cabin, ensuring clean and healthy air for passengers.

6. Spark plugs - These are essential components of the ignition system that provide the spark needed to ignite the fuel-air mixture in the engine.

7. Transmission fluid - This is a type of lubricant that is used to reduce friction and wear in the transmission, ensuring smooth gear shifts and optimal performance.

8. Coolant - This is a liquid that helps to regulate the temperature of the engine, preventing overheating and ensuring efficient operation.

Overall, the Liqui Moly Maintenance Service Kit - 137095 is a comprehensive package that provides all the necessary products for maintaining a car's engine, fuel system, and other essential components. It is a convenient and cost-effective solution for keeping a car in top condition.