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There are four sensors, under car. 740i/iL has dual exhaust, 2 sensors per side, one in front of each catalytic converter and one behind. Sensors rarely go bad. Catalytic converters are sensitive to today's pourly refined gasoline and can burn out prematurely.
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How do you reset the computer on a BMW 740i?
how do i reset computer on 1995 bmw 740i
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4
Where are the oxygen sensors on a 1998 BMW 740il?
Theres four o2 sensors in this particular bmw. Two before and two after the cat converters.
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1995 BMW 740i trunk?
Um, sure
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In the Trunk.
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Can you start BMW 740i without cooling fluid?
yes
Do you have diagram of 1994 BMW 740i under carriage?
yes
