think im in big trouble with IBS

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  1. think im in big trouble with IBS 
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    guys i think iv just made a big mistake. I charged my car in the normal way (on batery terminals) as im going on a long drive and im going to have a cool box on when the car is stationary. Now my auto stop start wont work as my car has "IBS" and now i have confused it

    if anyone could help me in west middlands with a reset lead i would be over the moon, iv not told the mrs yet and we are off on holiday tomorrow

    i have been told the car wont charge off the alternator either
     
     

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    Quote Originally Posted by marklones View Post
    guys i think iv just made a big mistake. I charged my car in the normal way (on batery terminals) as im going on a long drive and im going to have a cool box on when the car is stationary. Now my auto stop start wont work as my car has "IBS" and now i have confused it

    if anyone could help me in west middlands with a reset lead i would be over the moon, iv not told the mrs yet and we are off on holiday tomorrow

    i have been told the car wont charge off the alternator either
    Did you charge it with the battery disconnected from the car or while it was still connected?

    I would try a "desperate" Hard reset and disconnect the battery for 10-15mins and reconnect.

    Dunk
     
     

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    i did it with the battery conected to the car i have removed the battery for 10 min still no good. starting to panic im in birmingham uk anyone with a lead that will reset for me at a cost
     
     

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    This is a different model but sounds like a similar prob.

    IBS malfunction - Bimmerfest - BMW Forums

    Dunk
     
     

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    marklones (01-07-2012)

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    im playing with the idea of removing and draining the battery then reconnecting
     
     

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    Would not think that would help? Try taking the battery terminal off for a bit longer like an hour (also not really logical!) but desperate times need desperate measures (or face the wrath off your missus).

    I found this quote of someone (not me!) by-passing the IBS.

    ""Heres some info people may find useful, I apologise if its been posted before. The E60 has a sensor fitted to the negative lead that effects sleep mode. Normally when you park up, the car enters sleep mode approx 20 mins later. If the Intelligent Battery Sensor goes wrong this does not happen- the car can stay in standby mode, flattening the battery after several hours, depending on charge state and battery condition when parking up. The load on the battery in parked condition in sleep mode is approx 1A, in standby it can be in excess of 7A. I have found with a 200aHr battery, fully charged, the car can withstand this load and still start for about 10 hours. If you find your battery goes flat overnight, the IBS could be the problem- it can be overcome for testing purposes by disconnecting the red lead from the sensor at a plug near the battery, (which is in the boot on the R/H side) If the problem disappears, the IBS is at fault. Leaving the IBS red lead disconnected, on full charge with a good batt, the car will still start after 1 week and does not flag any faults on the check control. BMW charge £130 approx for a new sensor- breakers yards around £20, it takes under half hour to fit if you want to replace, -disconnect two leads, plus the battery neg lead has to be removed as the sensor is integral to it. ""

    Good Luck, hopefully someone will get in touch with a reset

    Dunk
     
     

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    im draining it back down to waht it was before state of charge 18%, dont think it will work but worth a try, she is ready to pack the car ohhhh no
     
     

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    If battery level to low stop/start wont work, charging battery with terminals connected won't make it not work i always charge battery with them connected and use terminals under bonnet. After a full charge will take stop/start upto 8hrs after car has gone to sleep to work again.
     
     

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    are you saying that if i leave my car alone for 8 hours stop start will begin working again. It was working ok untill i charged the battery on the battery terminals rather than under the bonnet. from what i have read if the state of charge differs to what the car thinks it should be the car will have to go to mbw to be reset this is also the case if you change the battery

    thanks
     
     

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    im back, i got there and back ok. and my stop start is working this is what i did:
    removed battery
    drained battery for a few hours
    charged battery through the correct charging point under bonnet (hood)
    stop start working correct

    although it may be because i removed the battery it just forgot the issue
     
     

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