how light can you get an e92 m3 coupe without significantly disturbing the interior? Like, basically replacing the two front seats, keeping the back ones, and making only body/parts modifications to reduce weight further?
E92 M3 2008 SG DCT
Apex Arc 8 18/10/25 (Square) Sumitomo HTR-Z III (275/35/18)
H&R Sport Plus Springs