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BMW 3-Series (E90 E92) Forum
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Battery Question
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12-06-2016, 07:17 AM | #1 |
Private First Class
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Battery Question
Gents,
collected the car from the garage on saturday it was sitting on the forecourt for a month in cold weather so the battery was bound to loose some punch, now the stop start isnt working (possibly down to this) and the heated rear window isnt working either and isnt automatically cutting out after 20 mins (again poss down to low battery) now im doing 75 miles a day as of yesterday and 60 of those miles are motorway miles, how long should i give it before the battery should be back up to scratch? everything else on the car is fine electrically, oh i must add on saturday after picking the car up and i was sat with the engine off the yellow battery light came on. Steve |
12-06-2016, 08:31 AM | #2 |
Colonel
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I'm not saying that your battery hasn't deteriorated however the stop start function is deliberately not set to run when temperatures outside is cold. Can't remember what off the top of my head, perhaps 5c.
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12-06-2016, 08:56 AM | #3 |
Private First Class
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I was thinking that but its been over 3 degrees so it should still kick in, even when i press the switch to turn it off no warning to say its off appears in the dash,
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12-06-2016, 11:54 AM | #4 |
Private First Class
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Just spoken to my local dealer, new battery fitted and coded is worst case £285, he said if the battery was low my 2 trips to london and back the last 2 days should have got it back on a level, back to the dealer i bought it from again tomorrow i think.
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12-06-2016, 04:51 PM | #5 |
spender of the kids inheritance
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battery
Even tho you have done a couple of long trips the battery may not be topped up enough ! Stop start is the first thing to shut down if its only a bit below par. Mine did 6 or 7 trips to Wales (150 miles each way) and still didn't work until I charged the battery for 8 hours.
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12-06-2016, 10:43 PM | #6 | |
Major General
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Quote:
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12-07-2016, 01:29 AM | #7 |
Private First Class
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I might just go and stick it on a Long charge at the weekend, i dont need to take the battery out the car do i? i can charge it direct from under the bonnet?
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12-07-2016, 03:29 AM | #8 |
spender of the kids inheritance
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Got into the habit of charging it every weekend for a couple of hours and it was still going strong for over 12 months till I sold it in October and bought a F31.!!! Never once let me down or even sound sluggish to be honest. Charge it under the bonnet!
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