The BMW D7 Marine Engine is a four-stroke diesel engine with direct injection and open-circuit cooling system. The Neoprene impeller of the coolant pump is driven directly from the crankshaft. Electric starter and flywheel alternator are standard equipment. The injection system is fitted with automatic bleeding. Below pictures shows detail and electrical schematic of BMW D7 Marine Engine. (click image to enlarge)

bmw d7 marine engine wiring diagram

01 Key Switch
02 Charge Warning Light
03 Water Termo, Warning Light
04 Voltmeter
05 Fuse
06 Fuse Holder
07 Tachometer/Hourmeter
08 Wiring Harness-Instruments
09 Extension Wiring Harness
10 Wiring Harness Engine

11 Starter Motor
12 Circuit Breaker 25A
13 Circuit Breaker 25A
14 Switch Water Temperature
15 Regulator/Rectifier
16 Sender Unit
17 Alternator
18 Battery 12V
19 Engine-ground



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