It's getting time to replace the four springs on my 300SE, I already have Bilsteins HD's on all 4 corners and a 19mm sway in the rear. I'm leaning towards the H&R Sport springs, how much do they change the ride and would the 1.4" lowering effect the geometry of the suspension?

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1979 Black on Black, 300CD (sold), 1990 Black 300SE, Silver 1989 Volvo 780, 1988 300CE (vanished by the hands of a girlfriend), 1992 300CE (Rescue).

I think it will definitely have an effect on your suspension. By how much? Not sure. Do it, and monitor your tire wear, especially the inside tread. I wouldn't try to adjust anything until after you see where and how much adjustment is needed. I just recently got my suspension near perfect, meaning that the alignment is is tracking straight and the tires are making full contact across the treads.

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1990 190E 3.0L

It'll be a considerably stiffer ride (at least on my old A4 it was) - quality product though. Let us know your thoughts after some time.

Make sure the HDs don’t bottom. I think Bilstein has a Sport option for shorter springs.

Sixto
98 E320s sedan and wagon
02 C320 wagon