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      12-03-2012, 03:58 PM   #3
cvc 22349a
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Drives: 335i
Join Date: Sep 2007
Location: SF Bay

iTrader: (11)

Originally Posted by therealm3 View Post
So I would really like to upgrade the suspension on our E91 to the BMW Performance set up. I had the full kit (second generation) on my E90 335 and it was perfect. I loved the way it handled and was still a comfortable daily driver. I didnít see a kit listed on Tischerís site so I sent them a message and there is no kit available for the E91. I am thinking about piecing together one by ordering the majority of the parts on their own but I am not sure how to choose the springs and dampers. My thinking is I could use Sedan parts up front meant for a similar build (6MT, M sport) and it should be close enough, but the rear is where the extra weight is on the wagon, so I am not sure where to start for those. Do the ďDĒ tags on the springs map 1 to 1 to equivalent Performance springs? If so, I assume I could get close by going that route. Would E93 stuff work (if it exists)? I really donít want coil overs and am not excited about the amount of drop from the popular aftermarket kits from Eibach and H&R.

No. D and T numbers are different between oe and PS springs.
If you really want PS springs, I'd go with comparable (motor/trans) E90 PS springs up front and comparable E93 PS springs in the rear. Don't forget matching bumpstops.
2007 E90 335i, TiAg, 6AT, ZPP, ZSP, ZCW, 6FL, HD
Quaife lsd, ETS fmic, GIAC s/w, Dinan intake/exhaust/oc, Koni/M3 susp, Apex Arc 8, Mich PSS