Traditional Culture Encyclopedia - The 24 Solar Terms - When the BMW 520li engine started, there was a fierce struggle. What's the problem? Besides, it started, and there was the sound of a card.

When the BMW 520li engine started, there was a fierce struggle. What's the problem? Besides, it started, and there was the sound of a card.

Hello, if your car is equipped with a N52 six-cylinder engine, there is a harsh howling at idle speed, which is caused by the valve cover and crankshaft oil seal. The valve cover and crankshaft oil seal need to be replaced. If there is only a whistle during cold start, it is likely that the belt is ringing. Need to replace the generator belt, I hope it can help you.