2012 BMW Z4 sDrive28i First Drive Specs | Edmunds

2012 BMW Z4 - Road Test Specs

2012 BMW Z4 Convertible

(2.0L 4-cyl. Turbo 6-speed Manual)


Year Make Model2012 BMW Z4 sDrive28i 2dr Convertible (2.0L 4-cyl. Turbo 8-speed Automatic)
Vehicle TypeRWD 2dr 2-passenger Convertible
Estimated MSRP$49,525
Assembly locationRegensburg, Germany


ConfigurationLongitudinal, front-engine, rear-wheel drive
Engine typeTurbocharged, direct-injected, inline-4, gasoline
Displacement (cc/cu-in)1,997/122
Block/head materialAluminum/aluminum
ValvetrainDOHC, four valves per cylinder, variable intake + exhaust-valve timing
Compression ratio (x:1)10.3
Horsepower (hp @ rpm)240 @ 5,000
Torque (lb-ft @ rpm)258 @ 1,250
Fuel typePremium unleaded (required)
Transmission typeEight-speed automatic with console shifter and steering-mounted paddles with sport/competition modes
Transmission ratios (x:1)I = 4.71; II = 3.14; III = 2.11; IV = 1.67; V = 1.29; VI = 1.00; VII = 0.84; VIII = 0.67; R = 3.30
Final-drive ratio (x:1)3.73


Suspension, frontIndependent MacPherson struts, coil springs, driver-adjustable three-mode variable dampers, stabilizer bar
Suspension, rearIndependent multilink, coil springs, driver-adjustable three-mode variable dampers, stabilizer bar
Steering typeElectric-assist, speed-proportional, rack-and-pinion power steering
Steering ratio (x:1)14.4
Tire make and modelBridgestone Potenza RE 050A
Tire typeSummer, performance
Tire size, front225/40R18 (88W)
Tire size, rear255/35R18 (90W)
Wheel size, front18-by-8 inches
Wheel size, rear18-by-8.5 inches
Wheel materialAlloy
Brakes, front13-inch ventilated cast-iron discs with single-piston sliding calipers
Brakes, rear11.8-inch ventilated cast-iron discs with single-piston sliding calipers

Track Test Results

0-60 mph, mfr. claim (sec.)5.6

Fuel Consumption

Fuel economy, mfr. est. (mpg)21 city/33 highway
Fuel tank capacity (U.S. gal.)14.5

Audio and Advanced Technology

Stereo descriptionAM/FM/CD/MP3/HD radio
iPod/digital media compatibilityStandard iPod via USB and Aux jacks
Satellite radioOptional Sirius
Hard-drive music storage capacity (Gb)Optional 12GB music storage capacity
Bluetooth phone connectivityStandard
Navigation systemOptional hard drive with 8.8-inch display screen
Telematics (OnStar, etc.)Optional BMW Assist
Smart entry/StartOptional
Parking aidsOptional parking sonar
Blind-spot detectionNot available
Adaptive cruise controlNot available
Lane-departure monitoringNot available
Collision warning/avoidanceNot available
Night VisionNot available
Driver coaching displayNot available

Dimensions & Capacities

Curb weight, mfr. claim (lbs.)3,307
Length (in.)166.9
Width (in.)70.5
Height (in.)50.8
Wheelbase (in.)98.3
Track, front (in.)59.5
Track, rear (in.)61.4
Turning circle (ft.)35.1
Legroom, front (in.)42.2
Headroom, front (in.)39.1
Shoulder room, front (in.)53.3
Seating capacity2
Trunk volume (cu-ft)8
GVWR (lbs.)3,924
Payload, mfr. max claim (lbs.)562
Convertible top materialAluminum, glass rear window with defroster
Operation typePower-operated top and latches, includes global window operation with integral tonneau cover
Operation time, lower/raise (sec.)20
Operation lockoutRequires stationary vehicle


Bumper-to-bumper4 years/50,000 miles
Powertrain4 years/50,000 miles
Corrosion12 years/Unlimited miles
Roadside assistance4 years/Unlimited miles
Free scheduled maintenance4 years/50,000 miles

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