Specs

Research 2011 BMW Z4 specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

sDrive30i Roadster

Brakes

Brake Type Pwr-Assisted
Brake ABS System 4-Wheel
Rear Drum Diam x Width (in)
Disc - Front (Yes or ) Yes
Disc - Rear (Yes or ) Yes
Front Brake Rotor Diam x Thickness (in) 13.0 x 0.9
Rear Brake Rotor Diam x Thickness (in) 11.8 x 0.8
Drum - Rear (Yes or )

Cargo Area Dimensions

Trunk Volume (ft³) 10.9/6.4

Cooling System

Total Cooling System Capacity (qts) - TBD -

Electrical

Maximum Alternator Capacity (amps) 147
Cold Cranking Amps @ 0° F (Primary) - TBD -

Emissions

EPA Greenhouse Gas Score 5
Tons/yr of CO2 Emissions @ 15K mi/year 8.5

Engine

Fuel System Electronic Fuel Injection
SAE Net Torque @ RPM 220 @ 2600
Engine Order Code
Engine Type Gas I6
Displacement 3.0L/183
SAE Net Horsepower @ RPM 255 @ 6600

Exterior Dimensions

Track Width, Front (in) 59.5
Liftover Height (in) - TBD -
Min Ground Clearance (in) - TBD -
Track Width, Rear (in) 61.4
Height, Overall (in) 50.8
Width, Max w/o mirrors (in) 70.5
Length, Overall (in) 167.0
Wheelbase (in) 98.3

Fuel Tank

Fuel Tank Capacity, Approx (gal) 14.5

Interior Dimensions

Front Hip Room (in) - TBD -
Passenger Volume (ft³) - TBD -
Front Leg Room (in) 42.2
Passenger Capacity 2
Front Head Room (in) 39.1
Front Shoulder Room (in) 53.3

Mileage

Fuel Economy Est-Combined (MPG) 22
EPA Fuel Economy Est - City (MPG) 18
EPA Fuel Economy Est - Hwy (MPG) 28

Steering

Steering Type Pwr Rack & Pinion
Turning Diameter - Wall to Wall (ft) - TBD -
Turning Diameter - Curb to Curb (ft) 35.1
Lock to Lock Turns (Steering) 3.0
Steering Ratio (:1), Overall 14.4

Summary

Body Style 2 Dr Conv
Vehicle Name BMW Z4

Suspension

Shock Absorber Diameter - Rear (mm) - TBD -
Suspension Type - Front Strut-Type
Suspension Type - Rear Central Link
Suspension Type - Front (Cont.) w/Double-Pivot
Suspension Type - Rear (Cont.)
Stabilizer Bar Diameter - Front (in) - TBD -
Shock Absorber Diameter - Front (mm) - TBD -
Stabilizer Bar Diameter - Rear (in) - TBD -

Tires

Rear Tire Size P255/35R18
Front Tire Order Code
Rear Tire Order Code
Spare Tire Order Code
Front Tire Size P225/35R19
Front Tire Size P225/40R18
Front Tire Size P225/40R18
Front Tire Size P225/45R17
Rear Tire Size P255/30R19
Rear Tire Size P255/35R18
Rear Tire Size P225/45R17
Spare Tire Size

Trailering

Wt Distributing Hitch - Max Trailer Wt. (lbs)
Wt Distributing Hitch - Max Tongue Wt. (lbs)
Dead Weight Hitch - Max Trailer Wt. (lbs)
Dead Weight Hitch - Max Tongue Wt. (lbs)

Transmission

Clutch Size (in) - TBD -
Drivetrain Rear Wheel Drive
Third Gear Ratio (:1) 1.31
Third Gear Ratio (:1) 1.52
Second Gear Ratio (:1) 2.01
Second Gear Ratio (:1) 2.34
First Gear Ratio (:1) 3.50
First Gear Ratio (:1) 4.17
Trans Description Cont. Again
Trans Description Cont. Manual
Final Drive Axle Ratio (:1) 4.27
Final Drive Axle Ratio (:1) 3.64
Trans Description Cont. Automatic w/Manual Shift
Trans Type 6
Trans Order Code
Reverse Ratio (:1) 3.19
Reverse Ratio (:1) 3.40
Sixth Gear Ratio (:1) 0.70
Sixth Gear Ratio (:1) 0.69
Fifth Gear Ratio (:1) 0.81
Fifth Gear Ratio (:1) 0.87
Fourth Gear Ratio (:1) 1.00
Fourth Gear Ratio (:1) 1.14

Vehicle

EPA Classification Two-Seater

Weight Information

Base Curb Weight (lbs) 3241
Base Curb Weight (lbs) 3307

Wheels

Spare Wheel Size (in)
Front Wheel Material Alloy
Rear Wheel Material Alloy
Spare Wheel Material
Front Wheel Size (in) 17 x 8.0
Front Wheel Size (in) 18 x 8.0
Rear Wheel Size (in) 19 x 9.0
Front Wheel Size (in) 19 x 8.0
Rear Wheel Size (in) 18 x 8.5
Rear Wheel Size (in) 17 x 8.0

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