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      01-04-2019, 08:31 PM   #6
kimiraikkonen
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Drives: 2008 E90 M3 6MT
Join Date: Jun 2016
Location: San Francisco

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Quote:
Originally Posted by deansbimmer View Post
That blue connector in the first post is part of the BSD communication network. It is critical to proper function of the car. It has nothing to do with showrooms or discharging etc. More than you want to know can be found here:
http://freemaxx.de/e90forum/03_Power%20Management.pdf

The BSD faults can be traced to any of that data network's components- Alternator, IBS, oil sender, wiring, etc. ISTA-D has test modules to trace faults. You can guess at it and throw parts at it but best to do a proper diagnostics session.
Thanks Deansbimmer....where is the other end of the receptacle. Is it buried in my wire loom somewhere? Would like to confirm before I start unbuckling the cable ties and looking for it.

Thanks.
Appreciate 0