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      01-26-2017, 08:56 AM   #23
Celestion
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The Tractive DDA valve dampers cannot be beat for performance or comfort (~$4300). Contact Inertia Laboratory in Dallas. I plan on ordering a set of these in July. About as fast as the Delphi tech, but instead of a magnetorrheological fluid, these dampers use magnetically actuated valves. Almost the same speed as the fluid method, but with a much much greater adjustability range. The DDA valve is like 10x faster than the servo valves in our OEM EDC susp.... If you read the rennlist reviews on these things, you'll see that people are gaining as much as 4sec at L.Seca. It's an impressive feat for a single mod.
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      01-29-2017, 10:49 AM   #24
BMW Fx
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Hello for me at the moment i think the Sachs ZF Performance coilover is the best for a daily Driver M2 / M3 / M4. The coilover is very quiet with the original Michelin Pilot Super Sport and does not make any noise. I drive the Sachs coilovers since 4 months and it is perfect. Before I have driven the KW v3 für 3 months and the rolling noise of the tires was terrible and loud.


Sachs ZF Performance coilover for BMW M3 F80
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      11-30-2019, 09:51 PM   #25
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Any more reviews for sach zf?
What are these comparable to?

Last edited by parabmw; 12-01-2019 at 10:52 AM..
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