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Benefits (archive)

[ Follow Ups ] [ E36 M3 Message Board ] [ Msg. Board FAQ ]

Posted by David on September 18, 2000 at 20:04:45:

In Reply to: What are your impression of SSR Integrals or posted by lighter rims in general. on September 17, 2000 at 13:58:46:

The main benefit is less mass to rotate. Just like a gyroscope. The more mass it has the slower it takes to spin it up to speed and to slow it down. Ever take a bike wheel, get it spinning and then try to turn it - we did this in my school days as a demonstration of the power of a gyroscope. So the heavier the wheel the more rotational force to slow down and the harder it is to turn. The only time you are going to notice the benefit is on the track. Remember everthing comes as a tradeoff. Less weight less strength. To bad they don't have titanium wheels.

Now the reality is you would barely notice the difference. Most BMW's have power steering so that neutralizes the effort to return the rotating mass. Secondly you have to be traveling pretty fast for there to be any serious gyroscopic action (my o' so technical description). Lastly a few lbs per wheel won't make too much difference for most driving situations.

Bottom line I would keep your contours. If you have $$$ burning in your pocket spend them on a drivers school. Other cheap high impact mods are the xBrace, UUC Shifter, and sway bars.

Sorry for the lack of hard science but I hope this helps.

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