Replace the battery on Audi A4 B7 year 2004-2009

Do it yourself, replace the battery on your Audi A4 B7 factory in year 2004, 2005, 2006, 2007, 2008, 2009. To make this particular repair, you will require a 10 mm socket wrench and a 5 mm hex wrench, most  probably with an extension. We always recommend you to wear gloves, as the battery can be corrosive …

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