Bmw x 1 how much is it to change the valve oil seal?

The replacement of BMW x 1 valve oil seal needs about 2000 yuan: 1, the valve oil seal is embedded in the valve cover, and the valve stem plays a sealing role on the oil seal; 2. The valve oil seal is a metal seal with a rubber spring on it. If it is used for a long time or there is too much carbon deposit, the oil seal will age and deform, and it will not seal, so it needs to be replaced, otherwise there will be serious carbon deposit in oil burning; 3. If the repaired automobile valve oil seal is not well embedded, it is easy to burn engine oil and must be operated by an experienced repairman. Million car purchase subsidy