BMW Z4 E85 / E86 [restyling] 2.5i AT Roadster (2005–2008)

Car model: BMW (BMW) Title: BMW Model: Z4 Generation: E85 / E86 [restyling] roadster Modification: 2.5i AT Year of issue: 2005–2008

Main characteristics


Rear axle load (kg) 840
Front axle load (kg) 780
Maximum amount of luggage (l) 260
The minimum amount of luggage (l) 240
Front wheel track (mm) 1473
Wheelbase (mm) 2495
Height (mm) 1299
Width (mm) 1781
Rear wheel track (mm) 1523
Load capacity (kg) 300
Permissible gross weight (kg) 1600
Curb Weight (kg) 1375
Length (mm) 4091


Bore (mm) 82
Number of valves per cylinder Four
Number of cylinders 6
Piston stroke (mm) 78.8
Maximum torque (N • m) 230
Maximum torque revolutions, max. (rpm) 5000
Turns of the maximum torque, min. (rpm) 3500
Maximum power speed, max. (rpm) 5800
Intake type Distributed injection
Engine configuration Row
Engine power (hp) 177
Engine capacity (cm3) 2497
Engine’s type Petrol


Number of steps 6
Drive unit Rear
Transmission Machine

Suspension and brakes:

Rear brakes Ventilated discs
Front brakes Ventilated discs
Rear suspension Independent, spring multi-link with stabilizer
Front suspension Independent, lever, spring, with hydraulic telescopic shock absorbers and anti-roll bar

Performance indicators:

Fuel consumption in the combined cycle (l / 100 km) 8.4
Fuel tank capacity (l) 55
Fuel consumption on the highway (l / 100 km) 6.3
Fuel consumption in the city (l / 100 km) 12
Environmental standard EURO IV
Acceleration time to 100 km / h (s) 7.5
Maximum speed (km / h) 225
Recommended fuel AI-98


Turning diameter (m) 9.8
Power steering Electric power

Tires, wheels:

Discs Front Rear
Rim width 7 7
Rim diameter Sixteen Sixteen
Hole Arrangement Diameter (PCD) 120 120
Number of mounting holes Five Five
Tires Front Rear
Tire diameter Sixteen Sixteen
Tire height 50 50
Tire width 225 225