BMW D7 User manual

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Owners Manual
D7
BMW Marine Engines
This copy of the BMW D7 Owners Manual has been re-created using images computer
scanned from a manual rather than original artwork. It has also been re-formatted in
“portrait” style to display and/or print better on computer systems.
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This manual was written on your behalf in an effort to help you enjoy your new BMW
Marine Engine to the maximum. No marine engine, be it the best in the world, will
perform at it’s best during a long life, without proper care and maintenance.
Please read this manual carefully before you set out on the first trip with your new BMW
Marine Engine.
For the practical boat owner, some maintenance procedures are described in this
manual. Next to some jobs, you will find this marking which indicates that the work
will require special tools as well as certain special knowledge. It is, therefore,
recommended that your authorized BMW Marine Dealer complete these operations.
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INDEX
ENGINE DESCRIPTION 4
INSTRUMENTS AND CONTROLS 6
STARTING AND OPERATING 7
SERVICE & MAINTENANCE 12
FUEL SYSTEM 13
LUBRICATION SYSTEM 16
COOLING SYSTEM 17
VALVE SYSTEM 19
ELECTRICAL SYSTEM 20
WINTER LAY UP AND RECOMISSION 21
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ENGINE DESCRIPTION
The BMW D7 is asingle-cylinder, four-stroke, direct-injection diesel engine. The engine
is equipped with a raw-water cooling system, fed by an impeller type pump driven by the
crankshaft. Electrical starting and charging systems are standard as is an automatic air
bleeder device in the fuel system.
Technical Data
Displacement 280cc 17.0 cu in
Stroke & Bore 67 x 73 mm 2.63 x 2.87 in
Max output at min-1 (RPM) 4.5 kW / 3600 6 HP / 3600
Max torque at min-1 (RPM) 11.7 Nm / 3300
1.2 kpm / 3300 8.7 lb ft / 3300
Compression Ratio 19:1
Weight, dry engine incl. Gearbox 68 kg 150 lb.
Gearbox reduction 2.7
Maximum engine inclination 15 deg
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Specifications Engine Gearbox
Fuel Diesel Oil
DIN 51601
(USA #2)
Fuel Filter BMW 13 32 1 329 270
Lubrication oil
Type
Capacity –Litre (US gal)
HD-API CC/CD SAE 30
1 litre (0.26 US Gal)
ATF Dexron
0.4 litre (0.1 US Gal)
Air Filter BMW 13 71 1 329 269
Injector make Bosch
Injection pressure 135 + 8 bar
Injection pump Bosch PFE 1 Q 55/19
Starter motor make Bosch
Alternator, charging capacity 14v 350w
Battery, rec capacity 12v 60 Ah
Polarity Negative ground
Raw-water pump Johnson
Gearbox Hurth HBW 5
Adjustment Data
Injection ends 11.5 –12.5 deg BTDC
Tappet clearance 0.15 mm .006 in
Torque Nm lb.ft
Injector retainer 10 7.2
Cylinder head bolts 35 25
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