1998 528i light Knocking noise on right passenger side

just recently got a tune up, oil change, and fuel pump replaced. there has been this strange knocking sound when car is in motion. don't know if it can be the axle but the sound is on the right side. some type of metal banging against another. any similiar situations??

Did this noise started occurring after the tune up?
Who did the tune up?
Maybe someone left some tools under the back seat when the fuel pump was done?

No it was before the tune up and oil change. I thought it was the oil but thats not the case. Its sounds like it is around the right front side of the car and this siynd comes and goes.

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A little more info would be nice. Such as are you getting this noise when car is moving? At low speeds? Over bumps? Or at idle?

Edit. I re-read your original post. If your getting a metal to metal noise in motion at low speeds you may need to look at your struts,mounts and possibly your control arms and check the bushings

Yes when the car is moving at low speeds but picks up when I speed up as well. Thanks for that info though.

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make sure the knuckleheads didn't leave the motor covers loose or forgot a bolt
that 6mm on the back of the fuel rail likes to come loose on mine

Right front sway bar link worn put and loose. Just a guess.

Get under the car and give it a good shake.