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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

 
 
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Old 11-18-2012, 03:01 PM   #1
Hornung418
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Join Date: Dec 2010
Location: Bel Air, MD/ WVU
Posts: 1,013
My Ride: '04 MB ZHP
How to turn on the CEL, Key On, Engine Off

Is there anyway I can physically fool the emissions inspector? I'm running EU2 software with MS42 DME and would like to turn the CEL on before start up and turn off when the ignition is started. I'm not looking to defoul any O2 sensors or any other crap. Simply wire or code the light to turn on when the key is on, and turn off immediately when the engine starts.

I only need to do this just to pass emissions. Not a permanent fix...Just a temporary solution.

Any ideas?
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