06-30-2019, 09:22 AM | #2 | |
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the thing with your new coilovers is that the whole thing is a unit. compression, dampening settings plus sway bars and a myriad of combinations. Your shock settings can make a big impact, so I would start there and as I said try slightly softer in the rear to try to keep it from polywagging all the time or stepping out. |
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06-30-2019, 01:24 PM | #3 | ||
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As for the Coilovers setting I've done multiple changes and reached somewhere where I felt the car better on track and improved my timing. Now just thinking to improve more on car dynamic by adding sway bar and see where I can cut car weight. |
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07-03-2019, 05:05 PM | #4 |
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Drives: e82 1M, f87 M2cs
Join Date: Nov 2011
Location: Tri-Cities, Washington
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There may be some options now, but when I was looking to do this I could not find any aftermarket suppliers who marketed a swaybar as being compatible with our car. The M3 convertible front sway bar from BMW is a direct bolt on and is quite a bit stiffer than ours. You can also do the rear, but keep in mind that changing the rear sway bar on this car requires dropping the rear subframe. That's either a very difficult DIY or a very expensive trip to the shop.
A stiffer front sway bar will increase grip at the rear. I put mine on at the same time that I changed my front camber with vorshlag camber plates, suspension otherwise remained stock. The camber change increased grip in the front while the swaybar helped increase grip at the back and I dialed in my alignment from there. When I eventually replaced the stock suspension with coil overs, the overall balance remained the same. I can make very subtle changes depending on the damper settings and tire pressures. M My car is beautifully neutral at the limit running a square set up with -2.7° of camber and 0 toe in the front and -2.2° of camber and minimum spec toe in the rear. On the street, it would probably understeer because I run the stock staggered tire sizes but I prefer that slight margin of safety on the street anyway.
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1M track toy mods: BMS chargepipe, BMS OCC, ADE FMIC, ADE motor mounts, MadDad/Lightweight Ti exhaust, ADE custom oil thermostat/cooler, custom MHD tune, F10 550i clutch, Ohlins R+T, Vorschlag camber plates, M3 'vert FSB with Turner endlinks, Stoptech Trophy BBK.
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