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E21, E30 General discussion and technical help for 1975-1991 3 series cars.

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Old 05-28-2012, 02:31 AM   #1
fishgetter1

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maf sensor

When i install my new maf should i disconnect the negative post on the battrie first ? After installing is there anything else that i should do besides hook up the plug in
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Old 05-28-2012, 07:26 AM   #2
DEATH2000
 
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Anytime you work on the vehicles electrical system you should disconnect the battery. This helps to prevent injury and damage to yourself and the car.

Have you gotten a copy of the E30 Bentley Service Manual yet?
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Old 05-28-2012, 09:43 PM   #3
fishgetter1

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If i unplugged the old one before i disconnected the old one and then plunged it back up do you think that the computer will reset it self when i install the new one. i also started the car after i plugged it back up
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Old 05-28-2012, 09:47 PM   #4
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You should leave the battery disconnected for at least an hour to allow the computer to reset itself. With a new MAF the notice in engine performance should be immediately noticeable
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Old 05-28-2012, 09:51 PM   #5
fishgetter1

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Thanks for your response you seem to always to have a answer . THANKS
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