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| D3 - Interior Electrics Airbags, Sensors, climate modules, instrument clusters, switches etc |
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Thread Tools | Display Modes |
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#1
21st November 2021, 03:41 PM
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Battery oddity.
Hi all.
Disconnected my battery earlier in the week, as I wasn’t intending to use the car until next week and it’s been a bit dodge of late as I only use it for longer journeys and WFH etc. Anyway. When I disconnected it the battery was charged and there were some clicks from the battery area. Reconnected the battery today and nothing. Wouldn’t start, as if there was no battery connected. Tried my trusty jump back on the battery and still nothing, but some beeps like the car alarm was trying to sound. Clicked and almost turned over, then nothing! Dead. Anyone got any thoughts?
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2010 A8 SE Executive 4.2 FSI D4 2007 Mini Cooper S R56 2008 D3, gone, but not forgotten after 9 years and 90k. 
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#3
22nd November 2021, 07:37 AM
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If its been getting dodgy it probably suffered during the summer with lack of regular charging and now the temperature drop has just kicked it over the edge. Or its a Yuasa which do that just for gits and shiggles.
Tayna.co.uk are the best for batteries that I've found at the moment, Varta and Exide currently leaders in reliability across stuff I'm working on.
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#4
22nd November 2021, 07:41 AM
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Thanks Mikki. I’ve got on ordered from ECP. I’m tootling round in the MCS mostly, and use the A8 when in the office. So without a trickle charge it’s suffered. I’ve had the current Bosch S5 battery replaced enough times already under warranty. I’ve got a low current drain on the A8, always have. Think it’s to do with keyless and the car never seeming to fully power down. Not using it frequently plus cold weather does seem to kill the things after a few years.
I’m considering fitting a kill switch on the battery. Not sure if anyone has anyone thoughts towards that, good or bad?
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2010 A8 SE Executive 4.2 FSI D4 2007 Mini Cooper S R56 2008 D3, gone, but not forgotten after 9 years and 90k. Last edited by Johnmed; 22nd November 2021 at 07:43 AM.
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#5
22nd November 2021, 08:05 AM
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Quote:
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#6
22nd November 2021, 08:07 AM
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Yes. I believe so. I’ve replaced 2 to date. Have another I bought. Kinda lost interest in that pursuit, won’t lie!
Do you think a kill switch on the battery for when it’s laid up would be advisable?
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2010 A8 SE Executive 4.2 FSI D4 2007 Mini Cooper S R56 2008 D3, gone, but not forgotten after 9 years and 90k.
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