2011 BMW 1 Series Convertible Technical Data

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Technical Data.        
2011 BMW 1 Series Convertible.        
  128i 128i 135i 135i
  Convertible Convertible Convertible Convertible
  Manual 6 Speed Auto 6 Speed Manual 6 Speed DCT 7 Speed
Body        
No. of Doors / Seating Capacity - 2 / 4 2 / 4 2 / 4 2 / 4
Vehicle Length mm / inch 4373 / 172.2 4373 / 172.2 4373 / 172.2 4373 / 172.2
Vehicle Width mm / inch 1748 / 68.8 1748 / 68.8 1748 / 68.8 1748 / 68.8
Vehicle Height. Unloaded mm / inch 1411 / 55.6 1411 / 55.6 1411 / 55.6 1411 / 55.6
Wheelbase mm / inch 2660 / 104.7 2660 / 104.7 2660 / 104.7 2660 / 104.7
Turning Circle m / ft 10.7 / 35.1 10.7 / 35.1 10.7 / 35.1 10.7 / 35.1
Track, Front mm / inch 1480 / 58.3 1480 / 58.3 1474 / 58.0 1474 / 58.0
Track, Rear mm / inch 1513 / 59.6 1513 / 59.6 1507 / 59.3 1507 / 59.3
Width at Shoulderheight, Front mm / inch 1372 / 54 1372 / 54 1372 / 54.0 1372 / 54.0
Width at Shoulderheight, Rear mm / inch 1072 / 42.2 1072 / 42.2 1072 / 42.2 1072 / 42.2
Effective Leg Room, Front mm / inch 1047 / 41.2 1047 / 41.2 1047 / 41.2 1047 / 41.2
Effective Leg Room, Rear mm / inch 795 / 31.3 795 / 31.3 795 / 31.3 795 / 31.3
Effective Head Room, Front mm / inch 980 / 38.6 980 / 38.6 980 / 38.6 980 / 38.6
Effective Head Room, Rear mm / inch 940 / 37 940 / 37 940 / 37.0 940 / 37.0
Trunk Volume acc SAE1100 ft³ 8 8 8 8
Fuel Capacity L / gal 53 / 14 53 / 14 53 / 14 53 / 14
Curb Weight kg / lbs 1585 / 3494 1620 / 3571 1650 / 3638 1680 / 3704
Weight Distribution Front/Rear % 48.3 / 51.7 49.1 / 50.9 49.4.3 / 50.6 49.7 / 50.3
Gross Vehicle Weight Rating (GVWR) kg / lbs 1995 / 4398 2030 / 4475 2060 / 4541 2090 / 4608
Payload kg / lbs 340 / 750 340 / 750 340 / 750 340 / 750
Axle Load Limit, front kg / lbs 930 / 2050 930 / 2050 980 / 2161 980 / 2161
Axle Load Limit, rear kg / lbs 1120 / 2469 1120 / 2469 1120 / 2469 1120 / 2469
Towing CapacityTowing Capacity kg / lbskg / lbs -/ -/ -/ -/
Roof Load Limit kg / lbs - / -/ -/ -/
Drag Coefficient Cd 0.34 0.34 0.34 0.34
Drag Cd x A m² / ft² 0.71 / 7.65 0.71 / 7.65 0.71 / 7.65 0.71 / 7.65
Engine   N52 N52 N55 N55
Engine Type / Cylinder / Valves per Cylinder - Inline / 6 / 4 VANOS Inline / 6 / 4 VANOS Inline / 6 / 4 VANOS Inline / 6 / 4 VANOS
Engine Management System - MSV80 Port Injection MSV80 Port Injection MEVD 17.2 Direct Injection MEVD 17.2 Direct Injection
Induction System   Natural Valvetronic Natural Valvetronic Twin scroll turbo Valvetronic Twin scroll turbo Valvetronic
Boost Pressure / Overboost bar - - 0.6 0.6
Displacement cm³ / inch³ 2996 / 182.8 2996 / 182.8 2979 / 181.8 2979 / 181.8
Stroke mm / inch 88 / 3.46 88 / 3.46 89.6 / 3.53 89.6 / 3.53
Bore mm / inch 85 / 3.35 85 / 3.35 84 / 3.31 84 / 3.31
Power SAE hp / rpm 230 / 6500 230 / 6500 300 / 5800 300 / 5800
Torque ft lbs / rpm 200 / 2750 200 / 2750 300 / 1200-5000 300 / 1200-5000
Compression Ratio / Fuel type - 10.7 / Premium 10.7 / Premium 10.2 / Premium 10.2 / Premium

Chassis and Suspension

Codification of Reference Gearbox - I GM 6 K DKG
Gear Ratios   I - 4.323 4.065 4.110 4.780
    II - 2.456 2.371 2.315 3.056
    III - 1.659 1.551 1.542 2.153
    IV - 1.230 1.157 1.179 1.678
    V - 1.000 0.853 1.000 1.390
    VI - 0.848 0.674 0.846 1.203
    VII - - - - 1.000
Reverse Ratio - 3.938 3.200 3.727 4.454
Final Drive Ratio - 3.23 3.73 3.08 2.563
Steering Type / Ratio - Rack-and-pinion / 16 Rack-and-pinion / 16 Rack-and-pinion / 16 Rack-and-pinion / 16
Front Brakes / Diameter - / mm / inch Vent. Disc / 300 / 11.8 Vent. Disc / 300 / 11.8 Vent. Disc. / 338 / 13.3 Vent. Disc. / 338 / 13.3
Rear Brakes / Diameter - / mm / inch Vent. Disc / 300 / 11.8 Vent. Disc / 300 / 11.8 Vent. Disc / 324 / 12.8 Vent. Disc. / 324 / 12.8
Tire Type, Front - 205/50 R17 91H RSC AS 205/50 R17 91H RSC AS 205/50 R17 89 H RSC AS 205/50 R17 89 H RSC AS
Tire Type, Rear - 205/50 R17 91H RSC AS 205/50 R17 91H RSC AS 205/50 R17 89 H RSC AS 205/50 R17 89 H RSC AS
Tire Type, Front w. Sport Package - 205/50 R17 V RSC 205/50 R17 V RSC 215/40 R18 85Y RSC 215/40 R18 85Y RSC
Tire Type, Rear w. Sport Package - 225/45 R17 V RSC 225/45 R17 V RSC 245/35 R18 88Y RSC 245/35 R18 88Y RSC
Wheels, Front - 7J x 17 Light alloy 7J x 17 Light alloy 7J x 17 Light alloy 7J x 17 Light alloy
Wheels, Rear - 7J x 17 Light alloy 7J x 17 Light alloy 7J x 17 Light alloy 7J x 17 Light alloy
Wheels, Front w. Sport Package - 7J x 17 Light alloy 7J x 17 Light alloy 7.5J x 18 Light alloy 7.5J x 18 Light alloy
Wheels, Rear w. Sport Package - 7.5J x 17 Light alloy 7.5J x 17 Light alloy 8.5J x 18 Light alloy 8.5J x 18 Light alloy
Performance        
Top Speed km/h / mph 210 / 130 210 / 130 210 / 130 210 / 130
Top speed w. Sport Package km/h / mph 240 / 150 240 / 150 240 / 150 240 / 150
Acceleration, 0-60 mph s 6.4 7.0 5.4 5.3
Acceleration, 0-100 Km/h s 6.7 7.3 5.7 5.6
Fuel Economy, EPA Estimate - City mpg 18 18 19 18
Fuel Economy, EPA Estimate - Highway mpg 28 27 28 25
Fuel Economy, EPA Estimate - Combined mpg 22 21 22 20
Approximate Range km / miles 500 / 310 475 / 300 500 / 310 450 / 280

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