Specs

Research 2005 BMW Z4 specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

2.5i Roadster

Brakes

Rear Brake Rotor Diam x Thickness (in) 11.00 x - TBD -
Drum - Rear (Yes or )
Brake Type Pwr-Assisted
Brake ABS System 4-Wheel
Disc - Front (Yes or ) Yes
Front Brake Rotor Diam x Thickness (in) 11.25 x - TBD -
Disc - Rear (Yes or ) Yes
Rear Drum Diam x Width (in)

Cargo Area Dimensions

Trunk Volume (ft³) 10.2

Cooling System

Total Cooling System Capacity (qts) - TBD -

Electrical

Maximum Alternator Capacity (amps) 120
Cold Cranking Amps @ 0° F (Primary) - TBD -

Engine

Engine Type Gas 6-Cyl
Fuel System - TBD -
SAE Net Horsepower @ RPM 184 @ 6000
SAE Net Torque @ RPM 175 @ 3500
Engine Order Code
Displacement 2.5L/152

Exterior Dimensions

Height, Overall (in) 51.1
Min Ground Clearance (in) - TBD -
Track Width, Rear (in) 60.0
Track Width, Front (in) 58.0
Width, Max w/o mirrors (in) 70.1
Length, Overall (in) 161.1
Wheelbase (in) 98.2
Liftover Height (in) - TBD -

Fuel Tank

Fuel Tank Capacity, Approx (gal) 14.5

Interior Dimensions

Passenger Volume (ft³) 47.6
Passenger Capacity 2
Front Hip Room (in) - TBD -
Front Shoulder Room (in) 52.5
Front Leg Room (in) 42.0
Front Head Room (in) 37.3

Mileage

EPA Fuel Economy Est - City (MPG) 20
EPA Fuel Economy Est - City (MPG) 21
EPA Fuel Economy Est - Hwy (MPG) 28

Steering

Steering Ratio (:1), Overall 13.7
Steering Type Pwr Rack & Pinion
Turning Diameter - Wall to Wall (ft) - TBD -
Turning Diameter - Curb to Curb (ft) 32.0
Lock to Lock Turns (Steering) 3.0

Summary

Vehicle Name BMW Z4
Vehicle Name BMW Z4
Body Style 2 Door Roadster

Suspension

Suspension Type - Rear Central Link
Stabilizer Bar Diameter - Rear (in) - TBD -
Stabilizer Bar Diameter - Front (in) - TBD -
Shock Absorber Diameter - Rear (mm) - TBD -
Shock Absorber Diameter - Front (mm) - TBD -
Suspension Type - Rear (Cont.) w/Transverse Links
Suspension Type - Front (Cont.) w/Lower Arms
Suspension Type - Front Strut Type

Tires

Front Tire Size P225/50R16
Front Tire Order Code
Rear Tire Order Code
Spare Tire Order Code
Front Tire Size P225/45R17
Rear Tire Size P225/45R17
Rear Tire Size P225/50R16
Spare Tire Size

Trailering

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

Transmission

Final Drive Axle Ratio (:1) 3.64
Reverse Ratio (:1) 4.10
Drivetrain Rear Wheel Drive
Trans Description Cont. Manual
Trans Description Cont. SMG
Trans Description Cont. Automatic
Trans Type 5
Trans Order Code
Trans Order Code 206
Trans Order Code 205
Final Drive Axle Ratio (:1) 3.46
Clutch Size (in) - TBD -
Clutch Size (in)
Reverse Ratio (:1) 4.04
Sixth Gear Ratio (:1)
Fifth Gear Ratio (:1) 1.00
Fifth Gear Ratio (:1) 0.74
Fourth Gear Ratio (:1) 1.22
Fourth Gear Ratio (:1) 1.00
Third Gear Ratio (:1) 1.66
Third Gear Ratio (:1) 1.41
Second Gear Ratio (:1) 2.52
Second Gear Ratio (:1) 2.00
First Gear Ratio (:1) 4.23
First Gear Ratio (:1) 3.67
Trans Description Cont. Again

Vehicle

EPA Classification Two-Seater

Weight Information

Base Curb Weight (lbs) 2932
Base Curb Weight (lbs) 2998

Wheels

Spare Wheel Size (in)
Front Wheel Material Alloy
Rear Wheel Material Alloy
Spare Wheel Material
Front Wheel Size (in) 16 x 7.0
Front Wheel Size (in) 17 x 8.0
Rear Wheel Size (in) 17 x 8.0
Rear Wheel Size (in) 16 x 7.0

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