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#1
13th October 2009, 11:57 AM
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Battery replacement
My battery has been relatively weak since I purchased the car. In fact, a service in 2007 (before I took ownership) hilighted that it needed replacement. The cold weather over the last few days, and a lot of short journeys, has finally killed it.
Anyway, looks like it was the original battery - lasted 7 years, which can't be bad. Noticed the original (VARTA) was rated at 92AH, which is relatively high. I have replaced with a BOSCH 100AH battery. Does anyone know what the recommended spec is? NB: a pain to replace...need to take the lid off the fuse cover to get it in at the right angle under the almost imovable positive lead...not much skin left on the knuckles. New battery has made a hell of difference to the car. PS: I have never seen the little venting tube from the battery on a car before. I assume this is needed because the battery is mounted in the sealed boot rather than under the airy bonnet?? Any ideas? Zip 2002 S8 
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#2
5th November 2009, 09:58 AM
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Ditto...
Quote:
Zip
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#3
5th November 2009, 08:24 PM
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I have an original Audi battery of 95Ah.
__________________
Conan (the Librarian) Watch it if you dare Currently, 2000 S8, Merlin Purple, Leather Pack 1, Winter Pack 1, SPAX adjustable suspension, AP Racing 6 pot front caliper, 385mm fully floating disks, EBC Yellow Stuff Pads, Black Diamond grooved rear disks and predetor pads, D2 Doctors Brake Block. 1997 4.2 A8SQ - the Projekt. 12 years and ongoing! 1997 4.2 A8SQ - Ming Blue. Restoration sat waiting; saved from the Scrapyard 2003 C5 Allroad 4.2Q - Cobolt Blue. Towing car. Laid up awaiting manual conversion. 2005 C5 Allroad 2.5TDi FE - Grey - Workhorse. 2015 Q3QS SLine - Daytona Grey. Lots of extras! Long Haired Admirals cutter. Previously 2003 C5 A6 1.9TDI FWD - Loaner from D2 Doctor Lifex 1997 S8 - Ming Blue. Loaned out and written off. I loved that car. My first engine swap after cambelt failure. 1996 4.2 A8SQ - Ming Blue. 178k on a cambelt! Trader's 8. Delivered to A8Parts at Lifex. 2003 2.8 A8SQ - powder blueish. Fill in for a while. Sold on. 1998 1.8T A4 Avant FWD. Ming Blue (there's a theme here), PEX for the 97 S8. And a list of non VAG going back 40 years before I saw the light. 
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#4
6th November 2009, 06:43 AM
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Hi Zip,
I have a spare one which you're more than welcome to have for free - it's in good nick and has about 2 years warranty left. I have the receipt too should it fail. Oli
__________________
 CURRENT: 2006 Audi A8 D3 4.2 Tdi QS - CLICK HERE FOR PROJECT THREAD: Audi Exclusive Azure Blue, Amaretto brown interior, facelift rear lights, S8 mirrors, B&O, ACC, Digital TV, glass sunroof, Fridge, Extended Leather Pack 2, wooden steering wheel & gearknob, keyless entry, keyless start, electric boot, softclose doors SOLD : 2000 FL Silver D2 4.2 QS - Solar sunroof, Bose, Blinds, NavPlus, Playstation, DVD, wireless headphones, iPhone AV connection, RS6 steering wheel, chrome mirrors, phone prep, xenons, servotronic steering, Rear screen, TV-in-motion, NavPlus Alu rings, S8 exhaust, S8 bonnet grille, 385mm D3 S8 brakes, rubber winter mats, De-badged rear, US rear indicator clusters, 20" Final Edition diamond cut wheels, 15mm Eibach Pro spacers (front), 20mm H&R hubcentric spacers (rear). Audi A8/S8 D2 Flickr Group
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#5
8th November 2009, 03:59 PM
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I've just checked the options codes on my car. The original battery is 450A (92 AH) if this helps anyone out.
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#6
15th November 2009, 01:26 PM
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Replaced mine with one from Audi:
part number 000 915 105 AH 12v 95Ah 450A DIN 760A EN/SAE
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