Quote:
Originally Posted by jeremyc74
No way you're losing that much weight out of this car. 50lbs off the existing glass? Not a chance. The CF roof usually requires re-enforcement, so it's almost a wash, and the entire sunroof doesn't weight 50lbs.
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I was saying the sunroof clip and roof - 50 lbs. Glass is one of the heaviest items on the car outside of metal and if they are using what I think they are it will be close to that, the use of LEDs vs. Xenons saves 7lbs a corner. There is a lot of weight to be shaved these days. It is not a wash with the CF otherwise they wouldn't do it. The M3 saves 45 lbs compared to one with a steel roof and sunroof and that is using a wet resin, these new baked resins are stronger and lighter.
There is a lot being experimented with and tested- but the cost is what will be the deciding factor. Not many going to spend $50k on a 1er, so it is yet to be seen what will be green lighted.