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Message: <blockquote data-quote="ericwong6633" data-source="post: 18122" data-attributes="member: 18542"><p>i just got my used unit 120i recently manufactured 2004, and i facing few problem as below and need all sifu sifu and master to help and advise1) car was suddenly lose power and after diagnose resulted VANOS ENGINE Sensorafter change the sensor, the car also the same the power is teribble as i comparing with my friend e46 320i N46 engines.2) i'm experience sudden jerking in high rev, and even though crusing in highway, it will suddenly jerk, and after do all checking and diagnose nothing goes wrong...i hope all the sifu sifu and senior master can give me an advise on above problem. It had been making my head to burst after this car get back since last two week...:help::help::help:</p></blockquote><p></p>