To answer the question about how many liters of oil are needed for the BMW 3 Series, it is important to first understand the specific model and its engine specifications. The BMW 3 Series has a 2.0T engine with a maximum power of 135kW and a maximum torque of 270N·m. The total amount of oil needed is approximately 5.5 liters, which can be confirmed through the oil level indicator or the vehicle's user manual.

There are currently seven models of the BMW 3 Series available, all with a 2.0T engine and a choice of one type of automatic transmission. The BMW 3 Series has a unique design with a larger and sharper double-kidney grille, which is connected by a chrome strip. The engine oil used in the BMW 3 Series is a vital part of the vehicle's overall performance.

Oil changes are essential for maintaining the performance and longevity of your vehicle. The six primary functions of engine oil are to reduce friction, cool the engine, seal, clean, protect against rust, and absorb shock. The two main components of engine oil are the base oil and the additives. The base oil is the main component of the oil and determines its basic properties. Additives can enhance the performance of the base oil and provide additional features.

In summary, the BMW 3 Series needs approximately 5.5 liters of oil for its engine, which can be confirmed through the oil level indicator or the user manual. The engine has a 2.0T engine with a maximum power of 135kW and a maximum torque of 270N·m. Regular oil changes are essential to maintain the overall performance of your BMW 3 Series.