BMW North America wants to use the power to the people! slogan, introducing two performance packages for the 135i Coupe and 335i vehicles, offering you the possibility to choose between two power levels.The stage 1 Power Kit adds an ECU remap that brings a power premium of 20 hp, for a total of 320 hp and increases the torque from 300 (406 Nm) to 332 lb-ft (450 Nm) for the auto tranny models and to 317 lb-ft (429 Nm) for the manual or DCT gearbox versions. This kit is also offered for the X6... [...]
Source: autoevolution