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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > Bilstein B4S and Eibach pro upgrade - done!



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      09-23-2012, 09:23 AM   #23
parapaul
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Quote:
Originally Posted by doughboy View Post
I'm not entirely sure what 'ZSP' is, I thought that was the US code for their US specific sports models?

AFAIK The US ZSP models are softer spung / damped and probably aligned for slower steering than the EU M sport models, so ZSP might be a downgrade from M sport?
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Originally Posted by JonEdwards View Post
ZSP if I understand it is the american version of the "aftermarket" suspension kit - basically the B4S dampers and shorter springs. It's the next step up from M-sport - I think it might be "BMW Performance kit" in the UK or something similar.
This.

The Hunter machine had 3 options: standard, sport and ZSP. Someone else had already mentioned it on this forum but to me it made sense that the ZSP was the sportiest of the options.

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Originally Posted by doughboy View Post
You'd have been better asking for M3 settings (E90 if you have a tourer) which really do give an improvement in steering response and turn in.
I did wonder about this, but I don't have any of the M3 parts fitted, I didn't think they'd be able to get it anywhere near without the M3 control arms and wishbones.
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      09-27-2012, 11:16 AM   #24
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I've already got Eibach Pro Sport springs on my E92 and will be fitting the Blistein B4's next month.

Are we all saying ZSP is 100% the better option for this set up?
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      04-03-2013, 04:22 AM   #25
Suntzu
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Jon,

Great write up and review. I'm a bit sick of the rolly polly and lack of turn in precision of the 330i se i have. Only had it for 3 weeks an coming from the focus st I really miss the "chuck ability" noting of course the focus has a short wheelbase.

I can't stand a hard ride and can't go too low as Aussie roads are shite.

So I'm tosing up between the Eibach and B4s and the Eichbach FSD combo. And I am praying it wont be scrappage low or kidney busting.

The install cost here is approx $550 USD so I only get one shot at this!
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