The new gearbox is based on the ZF unit used in other BMWs, with modified ... to BMW. As standard, the Z4 M40i features a variable-ratio steering rack, upgraded brakes, an M Sport differential ...

Within 100 yards or so of the jagged access road leading to the circuit you can see why BMW chose a route consisting mainly of smooth tarmac. The Z4 M feels very stiff. The front 225/45 ZR18 ...

The BMW Z4 will appeal to those looking for a comfortable ... the Porsche 718 Boxster outshines it considerably. M Sport trim brings an even more aggressive look, although you’re not getting ...

330.0-hp, 3.2-liter, Straight 6 Cylinder Engine (Gasoline Fuel) Wondering which trim is right for you? Our 2006 BMW Z4 M trim comparison will help you decide.

Powered by BMW's terrific family of six ... can be thrown through the corners, the 2007 Z4 is a driving delight for two. It is available as either a convertible or closed coupe, and can be ordered ...

The manual trim gets an exclusive Vernasca Cognac leather interior with contrast stitching, while the regular Z4 M40i gets black leather upholstery in the interior. The BMW Z4 M40i Pure Impulse ...

The BMW Z4 will appeal to those looking for a comfortable ... the Porsche 718 Boxster outshines it considerably. M Sport trim brings an even more aggressive look, although you’re not getting ...