BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)


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      01-03-2013, 01:43 PM   #1
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D Stock Koni Yellow (sport) Settings help

So I just ordered a set of Koni Yellows for my 2008 135i, which are getting installed Monday. The car currently has an E93 M3 front sway, and 235 and 245 pilot super sports on stock size breytons, everything else stock, including sport package springs. I am planning on running quite a bit of SCCA D stock road tire (a local class) next year, and I am trying to figure out how to set my rear shocks, since they are a pain in the but to adjust I want to get it right the first time.

The car is a daily year round driver, so it sees a lot of snow here in Rochester. I don't mind a little roughness, but I don't want to go full stiff because of the snow and it being a daily. I do want to help my understeer a bit though.

What would you guys suggest for front and rear settings? Something like one turn off full soft front and rear, and go a little softer on the fronts for autocrosses to get more rotation? Or do I need to go softer/stiffer?

Thanks for the help guys
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      01-03-2013, 02:39 PM   #2
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I think full stiff would be too stiff for the factory springs...honestly kinda hard as it really depends on your driving style, tire pressures, ambient air pressure. I'd start with 1/2 stiffness and go from there.
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      01-11-2013, 10:12 AM   #3
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How's it feel? Are you all installed and dialed in yet?
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      01-12-2013, 08:12 AM   #4
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2008 BMW 128i  [0.00]
I roll on the street set at half. It's soft enough to be civil and hard enough when I wanna have fun.
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      01-31-2013, 05:14 PM   #5
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I've been driving on yellows for a full year now . . . Hotchkis FSB, but otherwise stock and on street tires (Kumho XSs)

I've set the rears at half-stiff and have forgot about them since they are easily adjustable.

I've found that the car handled best on full soft front.

I did, as an experiment decouple the FSB (so basically, no bar) and kept the shocks full soft for an event. Car handled great except for feeling like it wanted to roll onto the door handles.

This season, I'm going back to the stock bar and will be running Federal 595Rs 245/35 square setup (on stock rims). Might tune the shocks some after I see how she handles in February.
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