The Liqui Moly Maintenance Service Kit - 137030 is a comprehensive set of products designed to provide routine maintenance for a car. This kit includes nine different items, each designed to address a specific aspect of car maintenance. The contents of the kit include an engine oil, an oil filter, a fuel system cleaner, a fuel filter, a cabin air filter, a spark plug set, a brake fluid, a coolant, and a transmission fluid. These products are carefully selected to ensure that all major components of a car are properly maintained and functioning at their best. The kit is suitable for use on a wide range of car models and can help extend the lifespan of a vehicle by keeping it in top condition.