Honestly, get ready to get a new battery.
This is what I got with a discount for 130quid
http://www.eurocarparts.com/ecp/c/Au...899db79&000020
If its completely disconnected will everything still work? Wireless key, radio etc
WHAT???
If it's disconnected/dead nothing will work plus you may experience additional problems/faults afterwards
Coding is purely (correct me anyone if I'm wrong) to tell the battery management that you have put a brand new battery with correct Ah etc so it can manage it/charge accordingly over the years, something like that.
When mine died over the night it was dead, hours of charge did nothing, couldn't even lock the boot as its electronic, dead !!!!
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2006 D3 S8 5.2 V10
Ceramic Brakes, Bang&Olufsen, DTV, DAB, Rear Camera, BT, TPMS, Soft Close, Auto Boot, AMI , 4 Zone AC, Home Link, All Electric Blinds, Fingerprint, Ski Hatch, Black Extended Leather, Heated Sport Seats, Alacantra, Carbon Trim inc Aluminium Pack 2.
2015 A3 S line 1.4 TFSI - for the missus to keep her away from my car.
Standard S-line equipment, no extras.
2006 D3 A8 3.7 V8 - SOLD but not forgotten
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