184.0-hp, 2.5-liter, Straight 6 Cylinder Engine (Gasoline Fuel) Wondering which trim is right for you? Our 2004 BMW Z4 trim comparison will help you decide.

184.0-hp, 2.5-liter, Straight 6 Cylinder Engine (Gasoline Fuel) Wondering which trim is right for you? Our 2005 BMW Z4 trim comparison will help you decide.

Prices shown are the prices you can expect to pay for a 2004 BMW Z4 2 Door Roadster 2.5i across different levels of condition. Edit options.

Prices shown are the prices you can expect to pay for a 2005 BMW Z4 2 Door Roadster 2.5i across different levels of condition. Edit options.

As before, the Z4 is offered with two engines: 2-litre four-cylinder turbo, or 3-litre straight-six turbo, tested here in the range-topping BMW Z4 M40i. In 2018, there were two 2-litre variants ...