I Found the Cause of my Electrical Gremlins…
AKUMULATOR YUASA 9000 80AH 800A YBX9115 AGM
580901080E962 VARTA 580901080 SILVER dynamic Starter Battery 12V 80Ah 800A B13 AGM Battery
Batterie Rombat AGM Start And Stop 12V 80ah 800A L4D
Yuasa YBX9115 12V 80Ah 800A AGM Start Stop Plus Battery : : Automotive
Batterie 12v 80ah - Cdiscount
Battery for BMW 2 series Gran Tourer in Poland –
YUASA YBX3110 - Starterbatterie 12V / 80Ah / 720A (EN), 114,97 €
Yuasa YBX9115 12V 80Ah 800A AGM Start Stop Plus Battery : : Automotive