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1994 BMW 540i computer connection

Tiny
WILLEO
  • MEMBER
  • 1994 BMW 540I
  • V8
  • 2WD
  • AUTOMATIC
  • 81,000 MILES
I want to use my obd sensor tool to find out why the check engine light went on.I can't locate the terminal plug in site. Any ideas?
Sunday, March 15th, 2009 AT 6:43 PM

3 Replies

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
Because there is no OBDII connection on your 1994 vehicle. You will have to use the 20 pin connector under hood to extract the diagnostic trouble codes and you will need compatible diagnostic equipment. There are several makers of equipment, Baum, Peake research, Autologic come to mind.
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Sunday, March 15th, 2009 AT 9:59 PM
Tiny
HAILEY2NASON
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  • 1 POST
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Friday, July 3rd, 2009 AT 10:28 AM
Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
Because there is no OBDII connection on your 1994 vehicle. You will have to use the 20 pin connector under hood to extract the diagnostic trouble codes and you will need compatible diagnostic equipment. There are several makers of equipment, Baum, Peake research, Autologic come to mind. Check the O2 sensor, it will command the check engine light on.
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Sunday, July 5th, 2009 AT 12:01 AM

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