Isringhausen BMW and Dinan give this 2015 BMW Z4 over 400 horsepower
Springfield, IL-based Isringhausen BMW paired with tuning powerhouse Dinan to work on a series of BMW model, including a BMW Z4 with 400 horsepower
BMW Z4 tuning
BMW Z4 Roadster by Redline Auto Thailand
Tuning-shop Redline Auto from Thailand reveals an one-off project based on a BMW Z4 Roadster.
