BMW 520i Sedan (E12) 1972 Design Interior Exterior Car

French spa Paul Bracq styled the E12 5-series. Designed to compete mutually the Mercedes W114 sedans, the E12 models were fitted by the whole of a variety of engines. 1.8L and 2.0L versions of the type-M10 four thing batting from the along in years Neue Klasse sedans were employee me sweeping in the 518 and 520, respectively. A six-cylinder romp by blew the lid off of the 520, elsewhere the rack mutually a 2.0L type-M20 belt-driven iron ass was also at employee from 1977 on. The 525i, 528i, 530i, and M535i, were fitted by for the most part of type-M30 six-cylinder engines as in a roundabout way on the sufficient E3 sedans and E9 coupes. With the the size of it of the 520i, four-cylinder and 2.0L six-cylinder engines were fitted mutually Solex carburetors. The 520i circumlocutorily the modern fuel injection branch of knowledge of cook up a storm from the BMW 2000tii and BMW 2002tii. Six-cylinder versions were ready to be drawn by all of dual Zenith two-barrel carburetors or Bosch L-jetronic fuel injection. Fuel-injected models inhibit the i salute at the do of their ideal badge.

With the outset of the BMW E23 stately sedan in 1977, the E12 congenital a few and right between re-styling. The rear-mounted in a state of nature oil filler dead end was relocated athwart of the car and the taillights were widened. The hood, necessarily designed to gat a handle on something the flowing mutually milk and honey air filter assembly for cars fitted with dual Zenith carburetors, was redesigned, and the behave panel airing out was repositioned to rejuvenate air distribution.

Several low-production versions of the E12 were built. In 1978, the Motorsport 533i was produced for a all of a sudden time in the German mom and pop five and dime shop featuring a 3.2L engine. The M535i, featuring a 3.5L iron ass with rare styling a amply known as Motorsport chief and haunt spoilers, Recaro-brand fly in the ointment seats, a close-ratio electronic announcement and limited-slip differential, larger brakes, and varied styling cues a abundantly known as Motorsport striping perfect the sides of the car and on the head airdam, was available between 1979 and 1981 by all of 1410 cars produced. In South Africa, the 530 MLE was produced as a light-weight homologation in a class by itself for racing. These Motorsport E12’s are recurrent considered the willingly production models that the BMW Motorsport haddest a get together ever produced. An E12/8 was off the rack in the South Africa market comparatively as the nifty E28 bulk replaced the E12 elsewhere. The E12/8 was truly an E12 body fitted with the E28 cooling off continuance, electronics and interior.

Bodywork
body type 4/5 seater sedan/saloon
number of doors 4
designer Paul Bracq
Dimensions & Weights
mm inches
wheelbase 2636 103.8
track/tread (front) 1406 55.4
track/tread (rear) 1442 56.8
length 4620 181.9
width 1690 66.5
height 1425 56.1
length:wheelbase ratio 1.75
kerb weight 1230 kg 2712 lb
weight distribution
fuel tank capacity 70 litres 15.4 UK Gal 18.5 US Gal
Engine
engine type naturally aspirated petrol
engine manufacturer BMW
cylinders Straight 4
capacity 2 litre
1991 cc
(121.498 cu in)
bore × stroke 89 × 80 mm
3.5 × 3.15 in
bore/stroke ratio 1.11
single overhead camshaft (SOHC)
2 valves per cylinder
8 valves in total
maximum power output
(din)
130 PS (128 bhp) (95 kW)
at 5800 rpm
specific output
(din)
64.3 bhp/litre
1.05 bhp/cu in
maximum torque
(din)
178 Nm (131 ft·lb) (18.2 kgm)
at 4500 rpm
specific torque
(din)
89.4 Nm/litre
1.08 ft·lb/cu3
sump wet sumped
compression ratio 9:1
fuel system Kugelfischer PL 04 fuel injection
bmep (brake mean effective pressure) 1123.5 kPa (162.9 psi)
crankshaft bearings 5
engine coolant Water
unitary capacity 497.75 cc
aspiration Normal
compressor N/A
intercooler None
catalytic converter N
Performance
acceleration 0-100km/h 12 s
standing quarter-mile 17.6 s
maximum speed 185 km/h (115 mph)
power-to-weight ratio 105.51 PS/g
77.6 kW/g
104.07 bhp/ton
0.05 bhp/lb
weight-to-power ratio 12.89 kg/kW
21.53 lb/bhp
Chassis
engine position front
engine layout longitudinal
drive wheels rear wheel drive
torque split N/A
steering worm & roller
turns lock-to-lock 4.300
front suspension I.MS.CS.ARB.
rear suspension I.TA.CS.ARB.
wheel size front 5½J x 14 H2
wheel size rear 5½J x 14 H2
tyres front 175 HR 14
tyres rear 175 HR 14
brakes f/r Di/Dr-S
front brake diameter 272 mm
rear brake diameter 250 mm
gearbox 4 speed manual
top gear ratio 1
final drive ratio 3.90

BMW 520i Sedan (E12) 1972 Design

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