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Hello there, my name is Wes and I just got a 04 x3 3.0 with 116,000. On cold starts the car is really quiet but after warm up and drive around the car start to make the notorious ticking noise. Sounds like is coming from the passenger side. Under the hood sounds like my old e46 and really smooth but underneath you can hear a ticking noise. Doesn't sound like a lifter tho. Here's some vids to have a better idea. When I got the car the change the oil and they use synthetic 5w30. After a couple of miles I decided to change the oil again with rotella t6 but nothing change. Any help will be appreciated. Thanks