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      11-02-2018, 11:55 AM   #6
daimoku
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Drives: 2013 BMW X3 w/N20 engine
Join Date: Oct 2018
Location: USA

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Quote:
Originally Posted by tracer bullet View Post
Agreed replace the battery. Years of participating in these forums has shown over and over again it's always the battery when the electronics suddenly begin to freak out.

(Also check cables and attachments and such, cables can actually go bad, more often on cars when they are under the hood but do still pay attention).
Voltage measures:
Maximum 14.50 volts with car idling - so, alternator output appears okay
Minimum 10.67 volts when starter turns over
12.4x volts prior to starting the vehicle today

I'll inspect the cables.

Also, the passenger restraint system throws an error message "Fault in airbag, belt tensioner or belt-force limiter" when the engine is stopped (image attached). Parking brake will not engage either.

We've only had the vehicle ~20k miles/8 months and never had these errors until the dealer replaced the timing chain. Of course, dealer is claiming it's coincidental.
Attached Images
 
Appreciate 0