samedi 29 novembre 2014

Vert Suspension Help : Restoring to stock or more comfy ride

Hi Guys,



Its been a while, but i need some help. Im trying to help a buddy out who just got a used 330 convertible (2001, 162k km), as with all used bmw it requires some work. While i was able to help fix a lot of common issues, i just need help with the suspension. I feel like the ride is too hard and can feel almost all the imperfections in the road - and not through the steering. Installed new tires yesterday while its slightly more comfortable - still a bit harsh over irregular road surfaces.



Now our aim is to get a ride level similar or close to that of my vehicle (330i sedan non sport suspension), while i did a search on this and other forums most of the discussion involved lowering the car even further or making it stiffer than stock. We are trying to go the opposite way. So here are my questions:



1. Sport suspension: When i do an options search it tells me the car is equipped with S226A, now as i have never driven an e46 with sport suspension i have no idea what it feels like - but i dont imagine it being too stiff. the front struts look stock, so how should it feel?



2. Strut/Shocks/Springs option: Not sure if the PO had made any modifications, but for someone who is looking for a more comfortable ride over the harsh streets out here, what combination would you recommend for the most comfy ride ? Keep in mind that this car will primarily be used as a daily driver on not so smooth roads.



3. Non sport Struts + springs : Is it possible to install non-sport struts and springs on a vehicle equipped with sport suspension (even if it raises the car a bit) ?



4. Stock Springs : How long do factory sport springs usually last? I read somewhere around 200k - is this true?



Other than struts & springs changing what other component could drastically improve drive quality?



I just dont know where to start or how to check for worn suspension.



Thanks.




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