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  1. M3 Ground Control Street Camber plates - OEM style spring tophat

    Suspension and Braking
    I have a pair of used Ground Control camber plates for BMW M3 OEM/Stock style springs. Any suspension using OEM style front springs will work with these plates (I.E. Bilstein PSS9/PSS10, KW V1/V2, Stock suspension, etc). I purchased these used from someone on FB, installed them, got an...
  2. Any E46 BRAND NEW GC Street Camber Plates (PSS) - $350 Shipped OBO

    Suspension and Braking
    Brand new set of Ground Control Street Camber Plates for a Bilstein PSS coilover setup on an E46 Non-M. Here is a link to the Ground Control website showing the rest of the details, Asking $350 shipped OBO. Ended up going a different route...
  3. ** Regular Koni Yellow with Ground control install.

    Suspension & Braking
    Hey, so if anyone has Koni Yellows and wants to put them on Ground Control adjustable springs you will have to modify them a bit. I filmed a brief DIY documenting the process of installing mine. I want to thank TitaniumCranium in his thread here...
  4. WTB Ground Control Street camber plates for E46 M3

    Suspension and Braking
    As the title states, looking for a pair in excellent condition. I would need these shipped to Canada (East Coast). Cheers.
  5. E46 M3 Hotchkis Sway Bar Kit with End Links

    Suspension and Braking
    Sold sold
  6. Any E46 Ground Control Street/School Kit - Complete

    Suspension and Braking
    Original owner. Sent back to GC for a refresh 10,000 miles ago (new fronts, rebuilt rears, new RSMs, new plate bushing). Everything works as it should. Comes with all original components including; street plates, adjustment keys, and spanner wrench. I upgraded to a hybrid GC/AST double...
  7. Ground Control vs. KW Coilovers

    Suspension & Braking
    So since I couldn't find anything on the forum about ground control coilovers I wanted to open it up to some of you from personal experience. I'm deciding between KW V1's and Ground Control Street system. Price difference ends up being about 200 bucks more for V1 after an installation kit with...
  8. Feeler: Turbo+++ part out

    Parting Out
    HPF STG 2 -14,000 miles old-$12000 hpf turbo stg 2 blacked out intercooler HPF extras- comes with kit hpf underbrace hpf meth switch hpf oil catch can-1000 miles old-$350 Suspension-15,000 miles old-$900 ground control street/track 525/550 full coilovers WHEELS-15,000 miles old-need stocker...
  9. Ground Control Street Camber Plates for M3

    Suspension and Braking
  10. F/S: E46 M3 GC Camber Plates

    Suspension and Braking
    SOLD I have a set of brand new never used Ground Control E46M3 (race) camber/caster plates. I won't be installing these and need to sell them. I'm asking $175 SHIPPED in the CONUS only. See attached picture. The spring perch that these have are made for the 14mm center and 2.5" ID spring.
  11. Converting Koni yellow to coil-over

    Suspension & Braking
    So I'm thinking of converting my stock springs with Koni yellows to coil-overs using either the Ground-Control coil over kit, or TC Kline's conversion kit. Has anyone done this with either? It sounds like the "stock" type spring seat on the front struts must be removed. Is this a PITA? I'm...
  12. Ground Control Complete Coilover Kit, E46 M3 Street

    Suspension & Braking
    Hi All, Just wonder if anyone installed the following setup for their E46 M3? Is the installation requires some extra parts or anything? How is the ride compare with stock? Can you please post some picture? Need...
  13. FS: Ground Control Street Coilovers

    Suspension and Braking
    About 10k miles on them. This kit is the street kit that uses OEM top hats and can be upgraded for more serious track use w/ GC'c camber plates. Spring Rates: F400 / R450
  14. M-Pire Signature

    M-Pire Signature