inputs.text: not quite oehem 2001 - potential purchasers know battery compartment case differs 2001 audi a6 oehem keyfob hold larger batteries ended not using part case rest case interchangeable rehemoving circuit board oehem case put replacehement involved many may wish attehempt 2 sehemipermanent mounting pins holding circuit board cannot rehemoved screwdriver anything else short brute force pair needlenose pliers also sure rehemove pill pod encryption chip side case put new case cut key may rehemoved metal turning mount rehemoving cotter pin placed new mount sold set