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      09-29-2021, 09:17 AM   #6
MightyMouseTech
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Drives: 13 135i 6MT LeMans Blue MSport
Join Date: Feb 2013
Location: Ottawa, Canada

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Quote:
Originally Posted by semeoneor View Post
Quote:
Originally Posted by MightyMouseTech View Post
When the alternator looses comms on the BUS, it just charges at a steady voltage as a fail safe.

how would i diagnose that bus port? disconnect the ethanol / reflex controller ? check a fuse?
Use a scope and check the waveform.
Appreciate 0