D Stock Koni Yellow (sport) Settings help

thothtp · 01-03-2013, 12:43 PM

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

Focusedintntions · 01-03-2013, 01:39 PM

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.

IGoFast1589 · 01-11-2013, 09:12 AM

How's it feel? Are you all installed and dialed in yet?

Southjersey128 · 01-12-2013, 07:12 AM

I roll on the street set at half. It's soft enough to be civil and hard enough when I wanna have fun.

bluesunit · 01-31-2013, 04:14 PM

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.

01-03-2013, 12:43 PM	#1
thothtp Enlisted Member 6 Rep 39 Posts Drives: 2007 BMW 328i Join Date: Sep 2007 Location: Rochester, NY iTrader: (0)	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, 01:39 PM	#2
Focusedintntions Colonel 105 Rep 2,696 Posts Drives: 2011 135i M-Sport :D Join Date: Nov 2010 Location: NoVA iTrader: (1)	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. __________________ Faster, faster, faster, until the thrill of speed overcomes the fear of death… – Hunter Thompson
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01-11-2013, 09:12 AM	#3
IGoFast1589 Captain 49 Rep 654 Posts Drives: 08 135i Join Date: Nov 2010 Location: NY iTrader: (2)	How's it feel? Are you all installed and dialed in yet?
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01-12-2013, 07:12 AM	#4
Southjersey128 Second Lieutenant 43 Rep 272 Posts Drives: 2008 128i Join Date: Mar 2011 Location: South Jersey iTrader: (0) Garage List 2008 BMW 128i [10.00]	I roll on the street set at half. It's soft enough to be civil and hard enough when I wanna have fun. __________________ Afe Scoops and CAI, PBX, BMS Paddleshift upgrade, 261M's Powder Coated Gunmetal, 225/255 Michelin PSS, (BMW Performance: BBK, Illuminated Door Sills, Shifter Knob and Boot, E-Brake Handle, Steering Wheel, Front Strut Bar), E93 FSB, E92 RSB, M3 Rear Subframe Bushings, M3 Front Control Arms, HPA coilover kit (Koni Adjustables and Swift Springs), Steel Brake Hoses, Black Kidneys, Smoked LED side markers, Blacklines, Msport lip spoiler...
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01-31-2013, 04:14 PM	#5
bluesunit Second Lieutenant 7 Rep 202 Posts Drives: D-Stock 135i Join Date: Oct 2007 Location: The South iTrader: (3)	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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