Research 2015 BMW 3 Series specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

320i Sedan


Disc - Rear (Yes or ) Yes
Brake Type 4-Wheel Disc
Brake ABS System 4-Wheel
Disc - Front (Yes or ) Yes
Front Brake Rotor Diam x Thickness (in) 12.3
Rear Brake Rotor Diam x Thickness (in) 11.8
Drum - Rear (Yes or )
Rear Drum Diam x Width (in)

Cargo Area Dimensions

Trunk Volume (ft³) 13


Maximum Alternator Capacity (amps) 170
Cold Cranking Amps @ 0° F (Primary) 900


Tons/yr of CO2 Emissions @ 15K mi/year 6.3
Tons/yr of CO2 Emissions @ 15K mi/year 6.5


Engine Type Intercooled Turbo Premium Unleaded I-4
Displacement 2.0 L/122
Fuel System Gasoline Direct Injection
SAE Net Horsepower @ RPM 180 @ 5000
SAE Net Torque @ RPM 200 @ 1250
Engine Order Code _BC32_
Engine Order Code

Exterior Dimensions

Length, Overall (in) 182.5
Track Width, Rear (in) 61.9
Track Width, Front (in) 60.3
Height, Overall (in) 56.3
Width, Max w/o mirrors (in) 71.3
Wheelbase (in) 110.6

Fuel Tank

Fuel Tank Capacity, Approx (gal) 15.8

Interior Dimensions

Front Head Room (in) 40.3
Front Shoulder Room (in) 55.1
Second Head Room (in) 37.7
Second Leg Room (in) 35.1
Second Shoulder Room (in) 55.1
Front Leg Room (in) 42
Passenger Capacity 5


Fuel Economy Est-Combined (MPG) 27
EPA Fuel Economy Est - Hwy (MPG) 36
Fuel Economy Est-Combined (MPG) 28
EPA Fuel Economy Est - City (MPG) 24
EPA Fuel Economy Est - City (MPG) 23


Turning Diameter - Curb to Curb (ft) 37.1
Steering Type Rack-Pinion


Vehicle Name BMW 3 Series
Body Style Sedan


Suspension Type - Rear (Cont.) Multi-Link
Suspension Type - Front Strut
Suspension Type - Rear Multi-Link
Suspension Type - Front (Cont.) Strut


Rear Tire Order Code
Spare Tire Order Code
Front Tire Size P225/45VR18
Front Tire Size P225/45YR18
Front Tire Size P225/50VR17
Rear Tire Size P255/40YR18
Rear Tire Size P225/45VR18
Rear Tire Size P225/50VR17
Spare Tire Size
Front Tire Order Code


Eighth Gear Ratio (:1) 0.67
Final Drive Axle Ratio (:1) 3.08
Reverse Ratio (:1) 3.29
Trans Description Cont. Automatic w/OD
Trans Description Cont. Manual w/OD
Trans Type 8
Trans Type 6
Trans Order Code 205
Trans Order Code _6MT05
Trans Order Code ZMT
Drivetrain Rear Wheel Drive
Seventh Gear Ratio (:1) 0.84
Final Drive Axle Ratio (:1) 3.15
Reverse Ratio (:1) 3.19
Sixth Gear Ratio (:1) 1.00
Sixth Gear Ratio (:1) 0.70
Fifth Gear Ratio (:1) 1.29
Fifth Gear Ratio (:1) 0.81
Fourth Gear Ratio (:1) 1.67
Fourth Gear Ratio (:1) 1.00
Third Gear Ratio (:1) 2.11
Third Gear Ratio (:1) 1.31
Second Gear Ratio (:1) 3.14
Second Gear Ratio (:1) 2.00
First Gear Ratio (:1) 4.71
First Gear Ratio (:1) 3.50
Trans Description Cont. Again


EPA Classification Compact Cars

Weight Information

Base Curb Weight (lbs) 3295


Rear Wheel Size (in) 18 X 8
Rear Wheel Size (in) 17 X 7.5
Spare Wheel Size (in)
Front Wheel Size (in) 18 X 8
Rear Wheel Material Aluminum
Spare Wheel Material
Front Wheel Material Aluminum
Front Wheel Size (in) 17 X 7.5

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