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 ...

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 ...

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 ...

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.

BMW is also offering numerous optional extras with the Z4 M40i Pure Impulse edition. These include lumbar support for the driver and passenger, M seat belts, adaptive LED headlights, an interior ...

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 2007 BMW Z4 M trim comparison will help you decide.