14/06/2011 23:56 - admin

German tuner dials up output on the 3.0 liter twin-turbo to 405 PS (298 kW / 400 bhp) and 539 Nm (398 lb-ft) of torque.[...]

Source: worldcarfans

https://www.tuning-links.com/news_1951_BMW+Z4+sDrive35is+by+Kelleners+Sport.html