What is the difference between the engine model of BMW 730: N52B30AF and N52B30A? What does F stand for? Are the power and displacement of the two models the same?

1.The difference between N52B30A F and N52B 30A is that these two engines have been adjusted for different countries and regions to adapt to the local car environment.

Second, the f at the end of N52B30AF has no representative meaning.

Third, the BMW engine model has six figures.

1, usually used to use the first three, the first is the English letter as the engine series; The second digit is the number of cylinders that Arabic numerals (generally 1, 2, 4, 5, 6, 7) regard as engines;

2. The third place is also Arabic numerals, which refers to the quality configuration level of the same series and type of engine sets, and can be regarded as the advanced level of engines. The higher the number, the higher the level. 0 stands for the third place, which is also an Arabic number. It shows that the power of N52B30A is equal to that of N52B 30A.

3. The fourth place of BMW engine model is the letter, B stands for gasoline engine and D stands for diesel engine; The fifth and sixth numbers multiplied by 0. 1 represent the displacement. The fifth and sixth numbers of N52B30AF and N52B30A are the same, indicating that their displacement is the same.

Extended data

Precautions for engine maintenance:

1. Replace the oil and filter element with the appropriate grade of oil at regular intervals (every 5,000 kilometers);

2. Maintain the air filter regularly and replace it regularly (once every 20,000 kilometers);

3. Clean the fuel system regularly and replace the fuel filter regularly (every 30,000 kilometers);

4, regular maintenance (30000 km) water tank cooling network;

5. Replace the spark plug regularly (40,000 kilometers or driving conditions).