A street M3 isn't that light...... I nice target for weight loss is the ALMS race M3 at 2530lbs.... There has to be quite a bit of CF in that machine!!
2008 E92 M3, MR, DCT, extended BB leather, loaded!
1988 Porsche 928S4, Guards red/Champagne leather
1989 Porsche 928S4 track beast!!!