Quote:
Originally Posted by Clearancediver
Google Z4 trifecta....lots of info regarding these lights/issue....
Check your alternator voltage output...battery voltage in the morning before starting. Low voltage is a no no for these cars.
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I'll 2nd this - just went through tracking this down this winter. Lights will keep getting worse and more of them. Finally tested the voltage at the battery and found out my Alternator and/or voltage regulator was out. Replaced them both and back to full strength again.