Ah I didn't realize the OP. Yeah man, the ZL1 they took in a car mag took a LOT of mods to run a like a low 11 or something at 130. And then a few months later they ran a GT500 with basic boltons to low 10s at 144. Fastest ZL1 I've seen stock ran a 115 or so.
'09 E93 M3 6MT, ESS VT2-650, UUC/Corsa, MS X-pipe, H&R sports, Volk TE37SL 18x9.5+22f and 18x11+34r, Spec TwinDisc P-trim, UCP
'09 Z4 sDrive35i DCT, JB4, DCI