Home > BMW > BMW 1-Series > 2009 BMW 1-Series > 2009 BMW 1-Series Specifications
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SPECIFICATIONS
COUPEConvertible
TRIM
MSRP
BMW 128i Convertible $34,000
BMW 135i Convertible $40,150
ENGINES
Type:
2,996cc Inline-6; aluminum block and head
Valvetrain: DOHC 4-valves/cyl.
Power [hp at rpm]: 230 at 6,500
Torque [lb-ft at rpm]: 200 at 2,750
Bore & Stroke [mm]: 85.0 x 88.0
Compression Ratio: 10.7:1
Mileage City / Hwy [mpg]: 18 / 27 - 28 (MT)
Available with: 128i
 
Type:
2,979cc Inline-6 twin-turbocharged; aluminum block and head
Valvetrain: DOHC 4-valves/cyl.
Power [hp at rpm]: 300 at 5,800
Torque [lb-ft at rpm]: 300 at 1,400
Bore & Stroke [mm]: 84.0 x 89.6
Compression Ratio: 10.2:1
Redline: 7,000
Mileage City / Hwy [mpg]: 17 / 26
Available with: 135i
 
TRANSMISSIONS
Type:
6-speed manual
Ratios: 4.32, 2.46, 1.66, 1.23, 1.00, 0.85
Final Drive: 3.23
Available with: 128i
 
Type:
6-speed automatic
Ratios: 4.07, 2.37, 1.55, 1.16, 0.85, 0.67
Final Drive: 3.73
Available with: 128i
 
Type:
6-speed manual
Ratios: 4.06, 2.40, 1.58, 1.19, 1.00, 0.87
Final Drive: 3.08
Available with: 135i
 
Type:
6-speed automatic
Ratios: 4.17, 2.34, 1.52, 1.14, 0.87, 0.69
Final Drive: 3.46
Available with: 135i
 
LAYOUT
Engine position:
Front-engine
Driveline:
Rear-wheel-drive
 
SUSPENSION
Front:
MacPherson struts; coil springs, anti-roll bar
Rear:
Multi-link; coil springs, anti-roll bar
 
BRAKES
Front:
11.8 in. power-assisted vented discs
13.3 in. power-assisted vented discs (135i)
Rear:
11.8 in. power-assisted vented discs
12.8 in. power-assisted vented discs (135i)
 
WEIGHT & CAPACITIES
Curb weight [lbs]:
3,494 (128i)
3,660 (135i)
GVWR [lbs]:
4,398 (128i)
4,564 (135i)
Weight distribution: 48 / 52 (128i)
50 / 50 (135i)
Fuel Capacity [gal.]: 14.0
 
STEERING
Type:
Rack & Pinion; power-assist
Turning Circle [ft.]
35.1
 
EXTERIOR DIMENSIONS
Length [in.]:
172.2
Width [in.]:
68.8
Height [in.]:
55.6
Wheelbase [in.]: 104.7
Front Track [in.]: 58.3 (128i)
58.0 (135i)
Rear Track [in.]: 59.6 (128i)
59.3 (135i)
 
Coefficient of Drag:
0.34
 
INTERIOR DIMENSIONS
Seating Capacity:
4
 
Front Headroom [in.]:
38.6
Rear Headroom [in.]: 37.0
 
Front Legroom [in.]:
41.2
Rear Legroom [in.]: 31.3
 
Front Shoulderroom [in.]:
54.0
Rear Shoulderroom [in.]: 42.2
 
Cargo Cap. [cu-ft]:
8.0