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Thread: Loud suspension noise - Passenger side

  1. #1
    Join Date
    Oct 2013
    Location
    NSB, FL
    Posts
    639
    My Cars
    2005 BMW Z4 3.0i

    Exclamation Loud suspension noise - Passenger side

    OK so I just installed some new coilovers on the car. Now I'm getting this awful noise like there is something banging around from the rear passenger side. The shock is tight on the top and bottom. I really don't want to just throw parts at it hoping it'll fix it. Honestly like I can over cracks in the road and it sounds like something is just banging around back there. I don't think it's the shock because well it's brand new, however it did start to happen when I installed the suspension. It's not the spring either, it's tight in there.

    I did find out my entire front end needs to be replaced, the control arms, FCAB, and inner and outer tie rods are all getting replaced. The wheel literally moved like 1 inch both front to back. I was like nope replacing it all. Since the front end is so bad, could it mean the rear end bushings are just as shot and I'm hearing that from the rear? That lowering the car and putting good shocks and springs on it made the bushings finally start to make noise?

    I mean if I shake the rear end real hard I can kinda hear the noise coming from that side.

    They were CXRACING coilovers that I thought were supposed to be a decent priced set. Yea they are ebay but I did the research and read good things on about them.

    Please guys I'm driving 90 miles total for work a day and it sounds like my shit is gonna fall apart.
    Photbucket looking to make extra money......

  2. #2
    Join Date
    Feb 2011
    Location
    Lewisville, NC
    Posts
    56
    My Cars
    2017 BMW M4
    Something is definitely loose. Check everything you disassembled such as the swaybar drop links.
    2017 BMW M4 Comp
    2011 BMW Z4 35i 6sp
    2001 Porsche 911 Turbo 6spd
    2004 BMW Z4 3.0i 6spd
    2001 BMW M3 6spd
    2018 BMW M550i X-Drive

  3. #3
    Join Date
    Feb 2013
    Location
    Canada
    Posts
    2,869
    My Cars
    2004 Z4R 06&12 Cooper S
    WHS
    Also check sway bar bushings
    04R 3l 6 sp VF SC, custom ducting, alphaN, 2.62 pulley, multiport WMI,Severn Tuning(Pokeybritches), Tial BPV,Ceramic header, magnaflow section 1, SS race muffler/y-pipe, megan mounts,42 design catch can, CDV delete ,custom strut bar,3.91 LSD, H&R bars, Hotchkis links.Eibach Pro Kit,Koni Yellows.Megan camber arms. Carbon interior,SSK,UUC lines.CF aero. Poly bushings.

  4. #4
    Join Date
    Oct 2013
    Location
    NSB, FL
    Posts
    639
    My Cars
    2005 BMW Z4 3.0i
    checked it - all tight.

    I have narrowed the sound down to the upper strut mount. I'm going to be taking the strut off this weekend and inspecting it. Maybe some dude didn't assemble properly.
    Photbucket looking to make extra money......

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