The BMW M73 was a naturally aspirated single overhead camshaft V12 petrol engine that replaced the M70 and was produced from 1993 to 2002, used in the E38 7 Series, the E31 8 Series and the Rolls-Royce Silver Seraph. Compared with the M70 it has an updated roller-rocker valve-train and a larger displacement, from a bore raised 1 millimetre to 85 and a stroke raised 4 millimetres to 79. While most BMW engines had moved to double overhead camshafts with four valves per cylinder, the M73 kept a single camshaft and two valves per cylinder. BMW engineers did build a 48-valve prototype, the M72, but it did not meet the comfort demands of the large sedan class. The engine uses two Bosch Motronic control units tied to a third Siemens unit called EML, throttle by wire and four knock sensors, and hydrogen versions ran a lean-burn concept.
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Source BMW M73 (Wikipedia)
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Source BMW M73 (Wikipedia)Lead, makerQuote, Lead, maker
The BMW M73 is a naturally-aspirated, single overhead camshaft (SOHC), V12 petrol engine which replaced the BMW M70 and was produced from 1993 to 2002.
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1. BMW M73 (Wikipedia)
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The BMW M73 is a naturally-aspirated, single overhead camshaft (SOHC), V12 petrol engine which replaced the BMW M70 and was produced from 1993 to 2002.
Lead, cylinders
The BMW M73 is a naturally-aspirated, single overhead camshaft (SOHC), V12 petrol engine which replaced the BMW M70 and was produced from 1993 to 2002.
Lead, layout
The BMW M73 is a naturally-aspirated, single overhead camshaft (SOHC), V12 petrol engine which replaced the BMW M70 and was produced from 1993 to 2002.
Lead, fuel
The BMW M73 is a naturally-aspirated, single overhead camshaft (SOHC), V12 petrol engine which replaced the BMW M70 and was produced from 1993 to 2002.
Lead, maker
The BMW M73 is a naturally-aspirated, single overhead camshaft (SOHC), V12 petrol engine which replaced the BMW M70 and was produced from 1993 to 2002.
In Group: Road Car Engines of Europe and Japan, Lead
The BMW M73 is a naturally-aspirated, single overhead camshaft (SOHC), V12 petrol engine which replaced the BMW M70 and was produced from 1993 to 2002.
Exemplifies: Automobile Transport, Lead, mode
The BMW M73 is a naturally-aspirated, single overhead camshaft (SOHC), V12 petrol engine which replaced the BMW M70 and was produced from 1993 to 2002.
Of Make: BMW, Lead, make
The BMW M73 is a naturally-aspirated, single overhead camshaft (SOHC), V12 petrol engine which replaced the BMW M70 and was produced from 1993 to 2002.
Part Of: BMW 7 Series (E38), Lead, applications
It was used in the BMW E38 7 Series, E31 8 Series and Rolls-Royce Silver Seraph.
Part Of: BMW 8 Series (E31), Lead, applications
It was used in the BMW E38 7 Series, E31 8 Series and Rolls-Royce Silver Seraph.
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