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04-10-2008, 11:27 AM | #45 |
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Best combination for ultimate handling = Coilovers+corner weighting+dialing(camber etc)
Depending on a lot of variables suspension has to be adjusted to race. BTW a lot of people want to fill the wheel gap. I used to leave my shocks at the stiffest before for the streets but I find them too harsh even tho I'm hardcore. So I adjust I'm blessed to have a shop.To each his own. Anywhow depends on style of driving.(There is always room for improvement in the suspension dept) |
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05-04-2008, 01:01 AM | #46 |
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people contributing in this thread seem to have strong opinions so perhaps i'll ask for your opinions on the "bmw performance" suspension kit.
if bmw itself is putting a new one out i'd like to know whether (a) they are doing so simply because they would like to cater for those "misguided" people who think that stock isn't good enough OR (b) they genuinely believe that an upgrade is needed for spirited drivers and they would like a piece of the (after)market for themselves. also what do you guys think of the really cool coilovers systems our there like the bilstein ride control, the kw v3 and kw clubsport? which do you all think is the best one out there for a 70/30 split of car-duty between street and track driving? |
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05-04-2008, 07:21 AM | #47 |
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Suspension performance consists of several main elements: tire construction, tire pressures, suspension components and suspension settings.
At the factory, BMW engineers controlled all of these variables. At home, fiddling around and switching these elements on a hunch, it's surprisingly easy to screw things up. With coil-overs, "infinitely adjustable" means that, in addition to the one set-up that's fastest, there are an infinite number of ways to dial things wrong. What's often missing in the aftermarket is a truly knowledgeable and tested group of settings to accompany your shiny, new parts. I'm new to the world of BMWs, but in the land of Miata where I used to live, such wisdom was available. Whether for autocross or for Spec Miata racing, you could find a group of good, track-tested settings that would at least get you close to optimum. In addition to defining specific components (dictated by the rules in Spec Miata), you could find specific recommended settings for tire pressures, ride height, camber, caster, toe, etc. Reading the original post, that's what I take as its point: Without a defined and tested group of components and settings, it's hard to achieve as sophisticated a result as the factory engineers did. That's why they call it "trial and error." That said, here's some stuff to look at.... KW coilovers: http://www.kw-suspension.com/en/30_P...vers/index.php TEIN coilovers: http://www.tein.com/price/bmw.html Koni coil-overs: http://www.koni-na.com/1150.cfm ST coilovers: http://www.stracing.com/coilovers.html H&R coilovers: http://www.hrsprings.com/products/coilovers/ B&G coilovers: http://b-gsuspension.com/coilovers.php Eibach coilovers: http://eibach.com/cgi-bin/htmlos.exe...36741200024423
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05-05-2008, 07:57 AM | #49 |
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05-05-2008, 02:04 PM | #50 | |
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dang thanks bro the first thing im doin to mine is lowering it
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05-07-2008, 10:43 AM | #51 | |
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The OEM suspensions on BMWs, even the sportiest M models, is still very soft and ride height is set relatively high, for better clearance and compliance over bumps and such. The BMW strut front suspension also lacks optimal dynamic geometry, and it goes much faster a good bit of negative camber in the front, which is lost as cornering loads go up. So if going fast in a timed competition is important to a BMW owner, the suspension is the first thing to receive attention, or should be. And contrary to popular belief, a properly designed, higher end racing shock can still offer a complaint ride with increased spring rates and a lowered ride height - within reason. Still, at least 3/4 of all BMW owners that "put on a suspension" do it for the lowered look. What can I say? :wink: |
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