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| 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 |
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a Price Quote on a 2003 BMW Z4 3.0i.
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to confirm the accuracy of the data, it makes no guarantee or warranty,
either expressed or implied with respect to the data presented here. All
specifications, prices and equipment are subject to change without notice.
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