What about BMW e60 engine jitter?

What everyone cares about is "What about BMW e60 engine jitter?" Let me explain something to you:

Possible causes of engine jitter of BMW e60;

1, there is too much carbon deposit in the throttle, injector and air intake, which may be one or all of them;

2. When there is too much carbon deposit in the engine, the gasoline sprayed by the fuel injection head will be absorbed by the carbon deposit during the cold start, which will lead to too thin mixture during the cold start and make the start shake;

3, ignition coil, spark plug, nozzle and other mechanical failures, resulting in lack of cylinder;

4, oil pressure or cylinder pressure, resulting in insufficient power, etc. ;

5. The fuel quality is unqualified;

6. Idle speed control valve is damaged or too dirty;

7. Air leakage in the intake manifold;

8, engine arm or claw pad damage, etc. ;

9, oil oxidation or low grade, mainly due to poor low-temperature fluidity, engine cold start protection is not in place. Million car purchase subsidy