Test car is an early production 2008 E92 6MT with 60k miles on the clock. The only mod prior to testing is a Vanguard muffler section and big wheels (19" Linea Corsa rims with 295mm wide tires). All runs tested in 4th gear on a 3rd party Dynojet (DNR Racing in Hayward CA) in Power/M mode. Numbers are actual/uncorrected values (CR=1.00). Ambient temps for both dyno sessions were 75-86 deg F) with 34-45% Humidity. Fuel used was 91oct Unocal/76 which is the best quality fuel we can find at the pump here in CA.