22 models 530 maintenance 21000 kilometers spark plug and fuel filter replacement
BevisHearst 
8 
I followed the maintenance manual. I replaced more spark plugs and fuel filters this time. The master said that there was no need to replace them. The old parts could be used for another 10,000 – 20,000 kilometers. I bought the ngk spark plug and Man brand fuel filter on the official website of Jingdong. I bought them all, so I’d better replace them. In the future, we will still inspect it 30,000 kilometers and replace it if necessary. It is still too conservative to follow the maintenance manual.
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