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Thread: WTB: Motion Motorsports Underpanel (maybe splitter)

  1. #1
    Join Date
    Apr 2018
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    Bay Area San Jose
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    My Cars
    1998 M3 Sedan

    WTB: Motion Motorsports Underpanel (maybe splitter)

    Looking to buy a Motion Motorsports Underpanel
    Used or new (must come with hardware)
    Thanks

  2. #2
    Join Date
    Mar 2008
    Location
    Costa Mesa, CA, USA
    Posts
    325
    My Cars
    E30 M3 & E36 M3/4/5
    Quote Originally Posted by QuantuM3 View Post
    Looking to buy a Motion Motorsports Underpanel
    Used or new (must come with hardware)
    Thanks
    You might be able to buy one new, despite Motion Motorsports being slow to respond to emails, following a purchase. My impression is that unless you buy something off their website, they won't respond to your emails. You could also physically go to their shop if you're local.

  3. #3
    Join Date
    Jun 2004
    Location
    Independence, MO
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    613
    My Cars
    98 332ti
    Or, you could buy the SSi kit from Bimmerworld and get it right away. Best one on the market in my opinion, and they have been making them since 2006 for cars all over the world.
    ..............Form following function; the true pathway to beauty..............

  4. #4
    Join Date
    Mar 2008
    Location
    Costa Mesa, CA, USA
    Posts
    325
    My Cars
    E30 M3 & E36 M3/4/5
    Quote Originally Posted by FitzRoger View Post
    Or, you could buy the SSi kit from Bimmerworld and get it right away. Best one on the market in my opinion, and they have been making them since 2006 for cars all over the world.
    I looked at product detail on bimmerworld and I didn't a good understanding of how the panel mounts:

    https://www.bimmerworld.com/Body-Aer...-3-Series.html

    If the panel mounts on stand-offs that connect to the frame in the same way the factory under tray mounts, that's a huge disappointment because of how time consuming it is to remove the factory tray. I never understood why mounting to the inside of the bottom of the front bumper wasn't sufficiently stiff for BMW and why they wanted the redundancy of mounting indirectly to the frame.

    Mounting to the inside of the front bumper makes sense. If all of your nuts and bolts get loose and fall out, the tray is trapped above the front bumper, so it doesn't fall off into the street, highway, etc.

    The SSi panel is made of plastic (ABS? Acrylic?) so it won't corrode like the aluminum Motion Motorsports tray, although if I owned the Motion tray I would pay to get it anodized to prevent this. Unless an acrylic plastic or the like is used, the tray lacks the stiffness of the aluminum tray, although the plastic tray is probably lighter, which is good for MPG and reducing weight forward of the front wheels.

    Maybe you could post photos of your SSi panel install?
    Last edited by Ratinoff; 08-07-2019 at 02:36 AM.

  5. #5
    Join Date
    Mar 2008
    Location
    Costa Mesa, CA, USA
    Posts
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    My Cars
    E30 M3 & E36 M3/4/5
    Quote Originally Posted by QuantuM3 View Post
    Looking to buy a Motion Motorsports Underpanel
    Used or new (must come with hardware)
    Thanks
    Did you or anyone for that matter recently buy a tray from Motion Motorsports?

  6. #6
    Join Date
    Mar 2008
    Location
    Costa Mesa, CA, USA
    Posts
    325
    My Cars
    E30 M3 & E36 M3/4/5
    I just bought a Motion Motorsports Underpanel. I'll post photos when it arrives.

  7. #7
    Join Date
    Feb 2004
    Location
    Wilmington, NC
    Posts
    424
    My Cars
    99 E36 S54 M3
    I have a Motion underpanel and splitter for sale if anyone is still interested.
    1999 E36 M3 S54 conversion, Dinan exhaust, Zionville Comp Kit, MCS Coilovers, E46 CSL Brake conversion and ducting, UUC Swaybar, Vorschlag camber plates & rear shock mounts, X-brace, Pflex RTABs/Subframe, MSW engine mounts, Rogue diff, ZKW LEDs, Racebred splitter, 9Lives Big Wang, SPA Fire system, Cobra seats, Schroth 6 pt, Ben Sipson roll bar.

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