Your new Golf is a 2014, I hope you reset the Battery Charging using VagCom or OBD Eleven otherwise the charging system will under charge the new battery, coz it still thinks its charging an old battery with less capacity. Since its prolly not a Varta Battery with a code; I think, you just need to change the last character in the code to trick the system that its a new battery to reset the charging curve.Battery went south on me over the weekend. Replaced it with an AMG battery. We'll see how that works out.
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