Sold between October 2005 and February 2008 in sedan and utility body styles or as a wagon until June 2010, the BF series brought many mechanical upgrades, including but not limited to a raised compression ratio (10.3:1) and improved now-independent dual variable cam timing on the six-cylinder engines and improved knock sensing on the DOHC 3 Valve V8 engine which, in conjunction with ECU modifications, led to increases in power, torque and fuel economy, required to comply with recently introduced Euro III emissions standards. The changes to the six-cylinder engine further decreased the engine's already low noise and vibration while increasing power from 182 to 190 kW (244 to 255 hp). With the BF, Ford introduced a six-speed automatic transmission developed by German company ZF and Bosch. The XR6 Turbo got a power increase to , along with all XR sedans receiving the ZF six-speed automatic as an option. Xr6 utes were only fitted with the 4speed