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Message: <blockquote data-quote="321aisyalam" data-source="post: 751037" data-attributes="member: 28038">Hi all,Just want to share the latest update on the O2 sensor. The total cost for 4 pieces of O2 sensor is rm1.5k from BA. Then install at AH Meng - MSpeed USJ. It took 2.5 hours to complete as some sensor which located after ekzos area need to remove the ekzos part. After monitor for 4 days. The car rev better maybe due to the fault code being removed. The fuel consumption improve by 15% base on my usual round. According to Meng the common failure for e60 O2 sensor is the sensor after the ekzos post 150K mileage. Cheer <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" /></blockquote>