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2003 BMW Z4 3.0i - Specs

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2003 BMW Z4 3.0i

2003 BMW Z4 - Review
2003 BMW Z4 2.5i - Specs
2003 BMW Z4 - Photos
2003 BMW Reviews
2003 BMW Z4 - Price Quote

Visit BMW for more information on the BMW Z4 3.0i.

BMW Z5 3.0i - General Specs
BMW Z5 3.0i - Accomodations

BMW Z5 3.0i - Engine Specs
BMW Z5 3.0i - Transmission

BMW Z5 3.0i - Chassis Specs
BMW Z5 3.0i - Performance


General BMW Z4 3.0i
Curb weight, lb. Manual transmission 2998
Sequential Manual Gearbox (SMG) 3020
Automatic transmission 3042
Weight distribution, front/rear, % Manual transmission 50.4 / 49.6
Sequential Manual Gearbox (SMG) 50.4 / 49.6
Automatic transmission 50.7 / 49.3
Track, in. Front 58.0
Rear 60.0
Wheelbase, in. 98.2
Length, in. 161.1
Width, in. 70.1
Height, in. 50.1
Body type 2-seat roadster
Aerodynamic drag coefficient 0.35 (with softtop up)
EPA size classification 2-Seater

Accomodations BMW Z4 3.0i
Seating capacity, persons 2
Shoulder room, in. 52.5
Headroom, front / rear, in. 37.3 (with softtop up)
Leg room, in. 42.0
EPA interior volume, cu ft. TBA
EPA cargo volume, cu ft. Roof open 8.5 cu. ft.
Roof closed 9.2 cu. ft.

Engine & electrical BMW Z4 3.0i
Engine type DOHC inline 24-valve 6-cylinder, Double VANOS steplessly variable Intake- & exhaust-valve timing
Bore x stroke, mm/in. 84.0 x 89.6 / 3.31 x 3.53
Compression ratio 10.2:1
Power @ rpm, hp 225 @ 5900
Torque @ rpm, lb-ft. 214 @ 3500
Engine-management system Siemens MS 45 with knock control (2 sensors); variable valve timing, electronic throttle system, dual resonance intake system, engine cooling & other functions included in control strategy
Fuel requirement Premium unleaded
Fuel capacity, U.S. gal. 14.5
Alternator output, amp./W 120 / 1680
Battery capacity, amp-hr. 55

Transmission 6-Speed Manual Sequential Manual Gearbox (SMG) 5-Speed Automatic
Drive system Front engine/rear drive
Transmission ZF Type H,
6-speed Manual
Electrohydraulic/electronic controls applied to ZF Type H 6-speed transmission
ZF 5 HP 19, 5-speed STEPTRONIC with Adaptive Transmission Control & selectable Sport mode
Gear Ratios
    1st 4.35:1 4.35:1 3.67:1
    2nd 2.50:1 2.50:1 2.00:1
    3rd 1.67:1 1.67:1 1.41:1
    4th 1.24:1 1.24:1 1.00:1
    5th 1.00:1 1.00:1 0.74:1
    6th 0.85:1 0.85:1 -
  Reverse 3.93:1 3.93:1  
Final drive ratio 3.07:1 3.07:1 3.46:1

Chassis BMW Z4 3.0i
Body/frame construction Unitized steel structure with aluminum hood
Suspension Front Struts, arc-shaped forged-aluminum lower arms with hydraulic cushion, coil springs, twin-tube gas-pressure shock absorbers, anti-roll bar; aluminum thrust plate; strut-dome braces
Rear Multi-link system with Central Links, upper & lower lateral links (upper link of cast aluminum), coil springs, twin-tube gas-pressure shock absorbers, anti-roll, steel thrust plate & V-brace
Steering type Rack & pinion, vehicle-speed-sensitive electric power assist
Overall ratio 13.7:1
Turns, lock-to-lock 3.0
Turning circle, ft. 33.1
Brakes 4-wheel disc brakes, vacuum-assisted
Diameter, mm/in. Front 300 / 11.8 (ventilated)
Rear 294 / 11.6 (solid)
Wheels Standard Cast alloy, 17 x 8.0
Optional 18 x 8.0 front / 18 x 8.5 rear (ZSP)
Run-flat tires Standard 225/45R-17 W-rated
Optional 225/40R-18 F/ 255/35R-18 R W-rated (ZSP)
Stability-enhancement system Dynamic Stability Control (DSC), including all-speed traction control, Dynamic Traction Control, electronic
brake proportioning, antilock braking (ABS), Dynamic Brake Control & cornering/avoidance-stability enhancement

Performance Data BMW Z4 3.0i
Acceleration, 0-60 mph , sec. Manual transmission or SMG 5.9
Automatic transmission 6.0
Top speed, mph Manual transmission or SMG 155
Automatic transmission TBA
EPA estimated MPG, city/highway Manual transmission or SMG 21 / 29
Automatic transmission 20 / 28

Used Car Price Quote on a 2003 BMW Z4 3.0i.