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BMW 850i Automatic

(1989 model)

Brief specs of 1989 BMW 850i Automatic

2-door 2+2-seater fixed-head coupé, petrol (gasoline) 12-cylinder 24-valve V engine, SOHC (single overhead camshaft), 4988 cm3 / 304.4 cu in / 304.4 cu in, 220.7 kW / 296.0 hp / 296.0 hp @ 5200 rpm / 5200 rpm / 5200 rpm, 450.0 N·m / 331.9 lb·ft / 331.9 lb·ft @ 4100 rpm / 4100 rpm / 4100 rpm, automatic 4-speed transmission, rear wheel drive, 251 km/h / 156 mph / 156 mph top speed

units: metric UK US

Basic (general) data

Marque (make)BMWIssued from1989
Model850i AutomaticIssued until
Serie8Number made
Model familyE31Body construction
Model codeBody designation
ManufacturerBMWCountryDE,ZA

Bodywork

Base platformNumber of doors2
Bodywork typefixed-head coupéNumber of seats2+2
Bodywork designerCargo capacity (volume)
Passenger space (volume)4210 l / 148.67 cu ft / 148.67 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length4780 mm / 188.2 in / 188.2 inTotal (curb) weight1255 kg / 2767 lb / 2767 lb
Width1854 mm / 73.0 in / 73.0 inDry weight
Height1341 mm / 52.8 in / 52.8 inLoad capacity
Wheelbase2685 mm / 105.7 in / 105.7 inGross (max.) weight
Track front1554 mm / 61.2 in / 61.2 inTowing weight
Track rear1562 mm / 61.5 in / 61.5 inWeight distribution (front)
Ground clearance150 mm / 5.9 in / 5.9 inFuel capacity90 l / 19.8 UK gal / 23.8 US gal
Length/wheelbase ratio1.78  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)0.29Frontal area (A)2.06 m2 / 22.2 sq ft / 22.2 sq ft
Aerodynamic coefficient (Cd×A)0.60 m2 / 6.5 sq ft / 6.5 sq ftAerodynamic resistance (Aero horse power) at 100 km/h (62 mph)14.9 kW / 20.0 hp / 20.0 hp

Engine

Engine CodeTotal number of cylinders12
Engine TypeV engine (V12)Total number of valves24
Engine ManufacturerBMWValves per cylinder2
Engine constructionBore84.0 mm / 3.31 in / 3.31 in
Fuelpetrol (gasoline)Stroke75.0 mm / 2.95 in / 2.95 in
Fuel detailsBore/Stroke ratio1.12
Fuel supplyBo Mot fuel inj.Engine displacement4988 cm3 / 304.4 cu in / 304.4 cu in
Engine Main bearings7Unitary capacity415.67 cm3/cylinder / 25.366 cu in/cylinder / 25.366 cu in/cylinder
Cam DesignSOHC (single overhead camshaft)Compression ratio8.8 : 1
SumpMax. output power220.7 kW / 296.0 hp / 296.0 hp at 5200 rpm / 5200 rpm / 5200 rpm
AspirationnaturalMax. torque450.0 N·m / 331.9 lb·ft / 331.9 lb·ft at 4100 rpm / 4100 rpm / 4100 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)73.3 kW / 98.3 hp / 98.3 hp (est.)
CoolantwaterSpecific output44.2 kW/l / 0.972 bhp/cu in / 0.972 bhp/cu in
Catalytic converteryesSpecific torque90.2 N·m/l / 0.79 lb·ft/cu in / 0.79 lb·ft/cu in

Transmission

Transmission typeautomaticNumber of gears4
Wheel driverear wheel driveTop gear (drive) ratio
  Final gear (drive) ratio

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed251 km/h / 156 mph / 156 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio239.1 kW/ton / 181.2 bhp/ton / 181.2 bhp/ton
Acceleration 0-100 km/h7.40 s / 7.40 s / 7.40 sFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)Fuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions
  Range

Chassis

Engine locationfrontEngine alignmentlongitudinal
Steeringrecirculating ball PASSteering details
Turns lock-to-lockTurning circle11.5 m / 37.7 ft / 37.7 ft
Suspension frontIndependent, MacPherson strut, Coil springs, Anti-roll (anti-sway) bar (ARB)Suspension rearIndependent, Multi-link, Coil springs, Anti-roll (anti-sway) bar (ARB)
Wheels frontWheels rear
Tyres front205/65-R15Tyres rear205/60-R15
Brakes frontventilated discBrakes reardisc
Brake diameter frontBrake diameter rear
Brakes detailsservo-assisted, ABS (anti-lock braking system)Braked area

Technical specifications and performance data of BMW 850i Automatic

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