1987 BMW 5 SERIES Fuel system

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Page 42 of 228

BMW 5 SERIES 1987 E34 Workshop Manual 6 Exhaust manifold- 
removal and refitting
1
Warning: Make sure the engine is
completely cool before beginning
work on the exhaust system.
Caution: If the radio in your
vehicle is equipped with an ant

Page 43 of 228

BMW 5 SERIES 1987 E34 Workshop Manual cover, remove the vibration damper/hub by
locking the crankshaft in position and
loosening the large centre bolt. Since the bolt
is on very tight, you’ll need to use an
extension bar and socket to b

Page 49 of 228

BMW 5 SERIES 1987 E34 Workshop Manual 22Using a scraper, remove all traces of old
gasket material from the sealing surfaces of
the covers and engine block.
Caution: Be very careful not to
scratch or gouge the delicate
aluminium surfaces.

Page 60 of 228

BMW 5 SERIES 1987 E34 Workshop Manual Torque wrench settings (continued)Nm
Connecting rod cap bolts/nuts
M10 and M30 engines  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
M20 and M40 engines
Stage 1  . . . .

Page 61 of 228

BMW 5 SERIES 1987 E34 Workshop Manual otherwise a small brush or even a bicycle tyre
pump will work). The idea is to prevent dirt
from getting into the cylinders as the
compression check is being done.
3Remove all the spark plugs from the

Page 62 of 228

BMW 5 SERIES 1987 E34 Workshop Manual detach them. Pieces of masking tape with
numbers or letters written on them work well
(see illustration).
6Label and detach all coolant hoses from the
engine (see Chapter 3).
7Remove the cooling fan,

Page 63 of 228

BMW 5 SERIES 1987 E34 Workshop Manual 36Run the engine and check for leaks and
proper operation of all accessories, then refit
the bonnet and test drive the vehicle.
37Where necessary, have the air
conditioning system recharged and leak-

Page 72 of 228

BMW 5 SERIES 1987 E34 Workshop Manual 7Wipe the oil out of the cylinder, and repeat
the procedure for the remaining cylinders.
8After the honing job is complete, chamfer
the top edges of the cylinder bores with a
small file, so the rings
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