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      03-19-2013, 07:41 PM   #6
fe1rx
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Drives: 135i, 328i, Cayman S
Join Date: Jan 2008
Location: Canada

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Quote:
Originally Posted by MightyMouseTech View Post
OK, I have been searching and searching and searching.....

Ordered my car with the M Sport Package, which includes the M Sport Suspension. What exactly are the differences? I am assuming the shocks and springs are different, but how much lower is it? How about sway bar diameters? Bump stops?!?!?!?

Just trying to plan out what mods to do to the suspension. I do quite a few track events, but this is a daily driver first and foremost. I am not going to compromise the comfort for an extra 0.5s of laptime. In my 26 years of driving, I have had way too many cars that became nearly purpose built track cars. I am getting too old for that stuff.... LOL!

So far I plan on adding the Dinan static camber plates (just enough camber to dial out some understeer and allow fitting 245's) M3 front arms and sway bar, rear subframe bushings and may add the Koni FSD's. Of course the stock RFT's will be tossed right quick in favour of Mich PSS on some APEX wheels.
The single best reason to get the M Sport Package is the seats, which are brilliant on the track.

Don't be too hasty throwing all those mods on unless you have money to burn. Do things one at a time and assess the benefit vs your expectations. Best bang for the buck approach, pause and assess between steps:

1) install 225/40R18's all around on original wheels (big change)
2) rear subframe bushings (bigger change)
3) M3 front arms, stock alignment except for front camber (small change)
4) camber plates, stock alignment except for front camber (small change)
5) Apex wheels with 245s all around (expensive change just to be able to say you have 245s, unless you just really like the wheels)
6) New shocks (if you feel you really must) on the OE springs (no idea, but the FSD's may improve the daily drive harshness)
7) M3 front bar (there is really no way to know if you will really need this mod at all. Bars are for fine tuning so should be left to last. I know you will be tempted because it is just so easy to do, but bite the bullet and change the rear subframe bushings first. You will become one of the converted.)

Given your stated usage, I suspect that you will get what you need by step 2, but you may not get what you want until step 7! Sticking with a staggered tire setup will lead you on a never ending quest if you really are looking for neutral handling.
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