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2003 BMW M3 Convertible - Specs

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2003 BMW M3 Convertible

2003 BMW 745 - Review
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2003 BMW Reviews
2003 BMW 745 - Price Quote

Visit BMW for more information on the BMW 745Li Sedan.

BMW 745Li Sedan - General Specs
BMW 745Li Sedan - Accomodations

BMW 745Li Sedan - Engine Specs
BMW 745Li Sedan - Transmission

BMW 745Li Sedan - Chassis Specs
BMW 745Li Sedan - Performance



General BMW M3 Convertible
Curb weight, lb. 3781
Weight distribution, front/rear, % 49.9 / 50.1
Wheelbase, in. 107.5
Track, in. Front 59.4
Rear 60.0
Length, in. 176.9
Width, in. 70.1
Height, in. 53.9
Body type Unitized all-steel structure
Aerodynamic drag coefficient 0.35
EPA size classification Mini-compact

Accomodations BMW M3 Convertible
Seating capacity, persons 4
Shoulder room, in. Front 54.5
Rear 45.9
Headroom, in. Front 38.4
Rear 36.9
Leg room, in. Front 41.7
Rear 32.0
EPA interior volume, cu ft. 80.0
EPA cargo volume, cu ft. 7.7

Engine & electrical BMW M3 Convertible
Engine type DOHC 24-valve inline 6-cylinder, High-Pressure Double VANOS steplessly variable intake- & exhaust-valve timing, 6 individual electronically controlled throttles with Normal & Sport settings
Bore x stroke, mm/in. 87.0 x 91.0 / 3.43 x 3.58
Displacement, cc/cu in. 3246 / 198
Compression ratio 11.5:1
Power @ rpm, hp 333 @ 7900
Torque @ rpm, lb-ft. 262 @ 4900
Engine-management system BMW MS S54 with adaptive knock control; variable valve timing, electronic throttles, oil-level/temperature sender, variable tachometer warning segment, catalyst protection & M Dynamic Driving Control included in control strategy
Fuel requirement Premium unleaded
Fuel capacity, U.S. gal. 16.6
Battery capacity, amp-hr. 70
Alternator output, amp./W 120 / 1680

Transmission 6-Speed Manual Sequential Manual Gearbox
Drive system Front engine / rear drive Front engine / rear drive
Transmission Getrag Type D, 6-speed manual Getrag Type D, 6-speed with electro-hydraulic sequential shifting, driver-controlled or automatic according to electronic programs S1-S6 or A1-A5 (DRIVELOGIC)
Gear Ratios
    1st 4.23:1 4.23:1
    2nd 2.53:1 2.53:1
    3rd 1.67:1 1.67:1
    4th 1.23:1 1.23:1
    5th 1.00:1 1.00:1
    6th 0.83:1 0.83:1
  Reverse 3.75:1 3.75:1
Final drive ratio 3.62:1 3.62:1

Chassis BMW M3 Convertible
Body/frame construction Unitized steel
Suspension Front BMW M sport suspension; thrust plate, struts, unique forged-aluminum lower arms, steel balljoints/rubber bushings, coil springs, twin-tube gas-pressure shock absorbers, anti-roll bar
Rear BMW M sport suspension; special subframe & V-brace, multi-link system with Central Links, upper & lower lateral links (upper links of cast aluminum), steel ball-joints at outer ends of lateral links, coil springs, twin-tube gas-pressure shock absorbers, anti-roll bar, reinforcing braces to strut towers
Steering type Rack & pinion, engine-speed-sensitive power assist
Overall ratio 15.4:1
Turns lock-to-lock 3.0
Turning circle, ft. 36.1
Brakes 4-wheel ventilated disc brakes
Diameter, mm/in. Front 325 / 12.8
Rear 328 / 12.1
Assist Vacuum
Wheels Standard Cast alloy, 18 x 8.0 front / 18 x 9.0 rear
Optional Forged alloy, 19 x 8.0 front / 19 x 9.5 rear
Tires Standard Performance radials, 225/45ZR-18 front / 255/40ZR-18 rear
Optional Performance radials, 225/40ZR-19 front / 255/35ZR-19 rear
Stability-enhancement system Dynamic Stability Control (DSC) with unique M logic, including all-speed traction control, electronic brake proportioning, antilock braking (ABS), Dynamic Brake Control & cornering/avoidance-stability enhancement; M Variable Differential Lock

Performance Data BMW M3 Convertible
Acceleration, 0-60 mph , sec. 5.4
Top speed, mph 155
Fuel economy, EPA est. MPG, city/highway Manual transmission 16 / 23
Sequential Manual Gearbox 16 / 22

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