BMW published that the CF roof is 44lbs (if I remember correctly) lighter than the steel moonroof.....
The non sunroof cars do have more headroom....which is nice for those of us that track our M3's....
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Brian
2008 E92 M3, MR, DCT, extended BB leather, loaded!
1988 Porsche 928S4, Guards red/Champagne leather
1989 Porsche 928S4 track beast!!!
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