BM6AE352.PDF

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BMW
750i & L & CAT (E32)
1987 to 1994
Engine &
Cooling
Fuel
Ignition
Electrical
Running
gear
Torque
settings
Capacities
Notes &
Illustrations
BMWP7005010
Automotive
DATA
BOOK
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Engine and cooling system
Type
Capacity (cm 3 ) / number of cylinders
Compression ratio / pressure
750i & L & CAT (E32) 1987 to 1994
bar
M70/B50 50 12A 220kW
4988 / 12
8.8 / 10 to 12
0.5 [
Oil pressure
bar
²
4.0]
Oil temperature
ºC
80
0: Hyd.
0: Hyd.
1-7-5-11-3-9-6-12-2-8-4-10
PER
80
2.0±0.1
Valve clearance - inlet
mm
Valve clearance - exhaust
mm
Firing order
No 1 cylinder position
Thermostat opening temperature
ºC
Radiator cap pressure
bar
Fuel system
Idle speed - manual [auto]
750i & L & CAT (E32) 1987 to 1994
rpm
700±50
_
0.5±0.3
²
Fast idle speed - manual [auto]
rpm
CO @ idle speed [3000 rpm] - see page VI
%
HC @ idle speed [3000 rpm] - see page VI
ppm
200
CO2 @ idle speed [3000 rpm] - see page VI
%
_
_
Bosch
M1.2 or M1.7-Motronic
_
_
3.0±0.06
97[E 95 RON] 1
O2 @ idle speed [3000 rpm] - see page VI
%
Carburettor / fuel injection
Type / ref
Main jet / needle
Injection pressure
bar
Pump pressure
bar
Octane rating
RON
Ignition system
Type
Ignition coil
Primary resistance
750i & L & CAT (E32) 1987 to 1994
ohms
DME Motronic
Bosch 0 221 118 335
a: 0.50. b: 0.37
_
_
Bosch
[0.30 to 0.70]
_
_
_
Computer control
_
Computer control
_
_
Computer control
_
_
Computer control
_
Bosch/Champion
F8LCR / C9YCC
0.70 to 0.80
Ballast resistor
ohms
Voltage - Tmnl 15(+) to earth
V
Distributor
Points gap (air gap)
mm
Dwell angle
º (%)
Condenser capacity
µF
Rotation
Ignition timing - basic [static
º Crankshaft @ rpm
V = Vacuum NV = No Vacuum
Total ignition advance
º Crankshaft @ rpm
º Crankshaft @ rpm
º Crankshaft @ rpm
Centrifugal check.
º Crankshaft @ rpm
º Crankshaft @ rpm
º Crankshaft @ rpm
Vacuum range check
mbar
Maximum vacuum advance
º Crankshaft
Spark plugs
Type
Electrode gap
mm
Electrical system
Battery V / CC / RC
Alternator voltage / full load current / engine rpm
Starter motor current / voltage - cranking
750i & L & CAT (E32) 1987 to 1994
A / V
12 / 84Ah
13.5 to 14.2 / _ / 3000
_
_
Starter motor current / voltage - locked
A / V
Running gear
Brakes -
Front (min. friction material thickness)
750i & L & CAT (E32) 1987 to 1994
mm
2.0
2.0
Rear (min. friction material thickness)
mm
Tyres
Saloon
Size
225/60x15
_
2.7 / 3.0
_
Estate / Van
Size
Pressure - front / rear - Saloon
bar
Pressure - front / rear - Estate / Van
bar
Front suspension / wheel alignment
Toe-in (+) / Toe-out (–)
mm [º]
[+18’±5’]
-13’±30’
+7°59’±30’
+12°4’±30’
Camber
Castor
King pin inclination
Rear suspension / wheel alignment
Toe-in (+) / Toe-out (–)
mm [º]
[+18’±7’]
-2°20’±30’
Camber
Torque wrench settings
Cylinder head - stage 1
750i & L & CAT (E32) 1987 to 1994
Nm
TORX: 30±2
+ 120°
_
_
23 + 70° N
20 + 70°
_
105±5
290
247.6 ±5%
100±10
30 to 33
Cylinder head - stage 2
Nm
Cylinder head - stage 3
Nm
Cylinder head - stage 4
Nm
Big-end bearings
Nm
Main bearings
Nm
Clutch cover
Nm
Flywheel [driveplate]
Nm
Front hubs
Nm
Rear hubs
Nm
Wheel nuts / bolts
Nm
Spark plugs
Nm
Capacities
Engine oil & filter
750i & L & CAT (E32) 1987 to 1994
litres
7.5
_
3.0
1.7 or 1.9
14.0
102
Gearbox - 4-speed [5-speed]
litres
Automatic transmission - refill
litres
Final drive
litres
Cooling system
litres
Fuel tank
litres
Notes and Illustrations
1
CAT: [U]
1: Idle speed 2: CO / Mixture
4988 cm 3 , M70
M1.2 / M1.7-Motronic
Technical
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