|
2003 BMW Z4 2.5i
- Specs
| General |
BMW
Z4 2.5i |
| Curb weight,
lb. |
Manual transmission |
2932 |
| Sequential Manual
Gearbox (SMG) |
2976 |
| Automatic transmission |
2998 |
| Weight distribution, front/rear,
% |
Manual transmission |
50.2 / 49.8 |
| Sequential Manual Gearbox (SMG) |
50.2 / 49.8 |
| Automatic transmission |
50.5 / 49.5 |
| 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 2.5i |
| 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 2.5i |
| Engine type |
DOHC
inline 24-valve 6-cylinder, Double VANOS steplessly
variable Intake- & exhaust-valve timing |
| Bore x stroke, mm/in. |
84.0 x 75.0 / 3.31 x
2.95 |
| Compression ratio |
10.5:1 |
| Power @ rpm, hp |
184 @ 6000 |
| Torque @ rpm, lb-ft. |
175 @ 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 |
5-Speed
Manual |
Sequential
Manual Gearbox (SMG) |
5-Speed
Automatic |
| Drive system |
Front
engine/rear drive |
| Transmission |
Getrag Type B+,
5-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 |
4.23:1 |
4.35:1 |
3.67:1 |
| 2nd |
2.52:1 |
2.50:1 |
2.00:1 |
| 3rd |
1.66:1 |
1.67:1 |
1.41:1 |
| 4th |
1.22:1 |
1.24:1 |
1.00:1 |
| 5th |
1.00:1 |
1.00:1 |
0.74:1 |
| 6th |
- |
0.85:1 |
- |
| Reverse |
4.04:1 |
3.93:1 |
|
| Final drive ratio |
3.46:1 |
3.07:1 |
3.64:1 |
| Chassis |
BMW
Z4 2.5i |
| 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 |
286 / 11.3 (ventilated) |
| Rear |
280 / 11.0 (solid) |
| Wheels |
Standard |
Cast alloy, 16 x 7.0 |
| Optional |
Cast
alloy, 17 x 8.0 (ZSP) |
| Run-flat tires |
Standard |
225/50R-16 V-rated |
| Optional |
225/45R-17 |
| 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 2.5i |
| Acceleration,
0-60 mph , sec. |
Manual transmission
or SMG |
7.1 |
| Automatic transmission |
7.2 |
| Top speed, mph |
Manual transmission or SMG |
146 |
| Automatic transmission |
141 |
| EPA estimated MPG, city/highway |
Manual transmission or SMG |
20 / 28 |
| Automatic transmission |
21 /
28 |
 Used
Car Price Quote on a 2003 BMW Z4 2.5i.
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Car Reviews
2003
BMW Z4 - Review