2011 BMW 1-Series 2-Door Convertible 135i Specs

2-Door Convertible 135i
MSRP based on 2-Door Convertible 135i

Quick Specs

Gas Mileage 19 mpg City/28 mpg Hwy
Engine Turbocharged Gas I6, 3.0L
EPA Class Subcompact
Style Name Convertible
Drivetrain Rear Wheel Drive
Passenger Capacity 4
Passenger Doors 2
Body Style Convertible
Transmission 6-speed manual transmission


EPA Classification Subcompact
Weight Information
Base Curb Weight (lbs) 3638
Interior Dimensions
Second Head Room (in) 37.0
Front Shoulder Room (in) 54.0
Second Hip Room (in) - TBD -
Front Head Room (in) 38.6
Second Leg Room (in) 31.8
Passenger Capacity 4
Front Hip Room (in) - TBD -
Front Leg Room (in) 41.5
Second Shoulder Room (in) 42.2
Passenger Volume (ft³) 78
Exterior Dimensions
Min Ground Clearance (in) - TBD -
Track Width, Front (in) 58.0
Width, Max w/o mirrors (in) 68.8
Liftover Height (in) - TBD -
Wheelbase (in) 104.7
Track Width, Rear (in) 59.3
Height, Overall (in) 55.6
Length, Overall (in) 172.2
Cargo Area Dimensions
Trunk Volume (ft³) 8.0

Fuel Economy

Fuel Tank
Fuel Tank Capacity, Approx (gal) 14.0
EPA Fuel Economy Est - Hwy (MPG) 28
Fuel Economy Est-Combined (MPG) 22
EPA Fuel Economy Est - City (MPG) 19

Performance Specs

SAE Net Horsepower @ RPM 300 @ 5800
Displacement 3.0L/182
Engine Order Code NA
SAE Net Torque @ RPM 300 @ 1200-5000
Fuel System Direct Injection
Engine Type Turbocharged Gas I6
Second Gear Ratio (:1) 2.31
Reverse Ratio (:1) 3.72
Trans Description Cont. Again NA
Fifth Gear Ratio (:1) 1.00
Seventh Gear Ratio (:1) NA
Trans Type 6
Third Gear Ratio (:1) 1.54
Clutch Size (in) - TBD -
Drivetrain Rear Wheel Drive
First Gear Ratio (:1) 4.11
Sixth Gear Ratio (:1) 0.84
Trans Description Cont. Manual
Fourth Gear Ratio (:1) 1.17
Final Drive Axle Ratio (:1) 3.07
Trans Order Code NA
Drum - Rear (Yes or ) NA
Front Brake Rotor Diam x Thickness (in) 13.3 x - TBD -
Disc - Front (Yes or ) Yes
Rear Drum Diam x Width (in) NA
Brake Type Pwr
Rear Brake Rotor Diam x Thickness (in) 12.8 x - TBD -
Disc - Rear (Yes or ) Yes
Brake ABS System 4-Wheel
Turning Diameter - Wall to Wall (ft) - TBD -
Lock to Lock Turns (Steering) - TBD -
Steering Type Pwr Rack & Pinion
Turning Diameter - Curb to Curb (ft) 35.1
Steering Ratio (:1), Overall 16.0
Rear Tire Size P205/50R17
Spare Tire Order Code NA
Front Tire Order Code NA
Spare Tire Size NA
Front Tire Size P205/50R17
Rear Tire Order Code NA
Rear Wheel Material Aluminum
Spare Wheel Size (in) NA
Front Wheel Size (in) 17 x 7.0
Spare Wheel Material NA
Front Wheel Material Aluminum
Rear Wheel Size (in) 17 x 7.0
Stabilizer Bar Diameter - Front (in) - TBD -
Shock Absorber Diameter - Front (mm) - TBD -
Suspension Type - Front (Cont.) w/Coil Springs
Stabilizer Bar Diameter - Rear (in) - TBD -
Suspension Type - Front Double-Pivot
Shock Absorber Diameter - Rear (mm) - TBD -
Suspension Type - Rear (Cont.) w/Coil Springs
Suspension Type - Rear 5-Link

Safety Features

Air Bag-Frontal-Driver Yes
Air Bag-Frontal-Passenger Yes
Air Bag-Passenger Switch (On/Off) No
Air Bag-Side Body-Front Yes
Air Bag-Side Body-Rear No
Air Bag-Side Head-Front No
Air Bag-Side Head-Rear No
Brakes-ABS Yes
Child Safety Rear Door Locks No
Daytime Running Lights Yes
Traction Control Yes
Night Vision No
Rollover Protection Bars Yes
Fog Lamps No
Parking Aid No
Tire Pressure Monitor Yes
Back-Up Camera No
Stability Control Yes
Other Features 4-wheel ventilated anti-lock disc brakes with Dynamic Brake...
Dynamic Stability Control (DSC), including Brake Fade...
Programmable Daytime Running Lights
Interlocking door anchoring system to help protect against door...
Driver's and passenger's front airbag supplemental restraint...
Front-seat-mounted front side-impact airbags
Front passenger seat-occupation recognition with Passenger's...
BMW's Advanced Safety System for integrated deployment of...
Crash sensor that activates Battery Safety Terminal disconnect...
Automatic safety-belt pretensioners at front seating positions
Automatic-locking retractors (ALR) on all passenger-seat safety...
LATCH attachments for child-restraint safety installation in...
Emergency interior trunk release
Tire Pressure Monitor
Rollover Protection System


Basic Miles/km 50,000
Basic Note 4 Years/50,000 Maintenance Program
Basic Years 4
Corrosion Miles/km Unlimited
Corrosion Years 12
Maintenance Miles/km 50,000
Maintenance Years 4
Roadside Assistance Miles/km Unlimited
Roadside Assistance Note 4 Years/Unlimited Mileage BMW Assist Safety Plan
Roadside Assistance Years 4

Other Specs

Cooling System
Total Cooling System Capacity (qts) - TBD -
Cold Cranking Amps @ 0° F (Primary) 70
Maximum Alternator Capacity (amps) 180
Wt Distributing Hitch - Max Trailer Wt. (lbs) NA
Dead Weight Hitch - Max Trailer Wt. (lbs) - TBD -
Wt Distributing Hitch - Max Tongue Wt. (lbs) NA
Dead Weight Hitch - Max Tongue Wt. (lbs) - TBD -