1981 - BMW - 525i

Technical Specs of This Model
1. 525i 1981
2. 525i 2002
3. 525i 2003
4. 525i 2005
General Information
Make BMW
Model 525i
Production Year 1981
Country
Designer
Production Number
Model Code
Model Family E28
Chassis and Dimensions
Chassis Type 4/5S SAL
Number of Doors 4
Wheelbase 2620 mm     (103,1 in)
Front Track 1430 mm     (56,3 in)
Rear Track 1470 mm     (57,9 in)
Length 4620 mm     (181,9 in)
Width 1700 mm     (66,9 in)
Height 1420 mm     (55,9 in)
Ground Clearance 140 mm     (5,5 in)
Length / Wheelbase Ratio 1,76
Weight 1280 kg     (2819,4 lb)
Weight Distribution (front/rear)
Fuel Capacity 70 litre   (15,4 Imp gal ,  18,5 US gal)
Aerodynamics
Drag Coefficient 0,39
Frontal Area
Cx
Engine Specifications
Engine Manufacturer BMW
Engine Location Front
Engine Alignment Longitudinal
Engine Construction
Coolant Type Water
Engine Type SOHC
Number of Cylinders and Placement S-6
Valves per Cylinder 2    (Total of 12 Pieces)
Engine Displacement 2495 cc     (152,25 cu in)
Bore 86 mm     (3,39 in)
Stroke 71,6 mm     (2,82 in)
Bore / Stroke Ratio 1,2
Unitary Capacity 415,83 cc/cylinder    (25,38 cu in/cylinder)
Number of Main Bearings 7
Compression Ratio 9,6 : 1
Fuel System Type Bo L-Jet fuel inj.
Aspiration Type Normal
Compressor Type -
Intercooler Type None
Catalytic Converter No
Maximum Engine Power 148 HP     (110,4 kW)
Maximum Engine Power rpm 5500 d/d
Maximum Engine Torque 215 N.m     (158,7 lb.ft ,  21,9 kg.m)
Maximum Engine Torque rpm 4000 d/d
Engine Torque at Max. Engine Power rpm 191,6 N.m    (5500 d/d)
Power / Weight Ratio 115,6 HP/ton    (86,2 W/kg)
Power / Engine Displacement Ratio 59,3 HP/litre    (44,2 kW/litre)
CO2 Emissions
Fuel Consumption
Performance
0 - 80 km/h
0 - 60 mph 9,6 s
0 - 100 km/h
0 - 160 km/h
80 - 120 km/h (in top gear)
0 - 400 m Acceleration 16,9 s
0 - 1000 m Acceleration
Top Speed 196 km/h   (121,8 mph)
Gearbox and Transmission
Transmission Type 5M
Top Gear Ratio 0,81 : 1
Final Drive Ratio 3,45 : 1
Drive Wheels RWD (Rear Wheel Drive)
Handling, Suspension Geometry and Brakes
Steering Type ZF worm & roller PAS
Steering Turns (lock to lock)
Turning Circle Diameter 10,9 m    (35,8 ft)
Suspension (front) I.MS.CS.LW.LowTrailLi.ARB.
Suspension (rear) I.STA.CS.
Brakes (front/rear) VeDi/Dr-S
Brake Disc Diameter (front) 280 mm
Brake Disc Diameter (rear)
Wheels (front)
Wheels (rear)
Tyres (front) 195/70 HR 14
Tyres (rear) 195/70 HR 14