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Battery Warning Light On! Just Bought It!

coupe323

By coupe323,
in BMW 3 Series Forum

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coupe323 Newbie

coupe323

Posted
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hello everybody iv just signed up i bought my first bmw yesterday its a y reg 323ci but the battery warning light came on, on the journey home. iv had the battery and the alternator checked at a local garage. the alternator is working fine putting out between 14 and 14.5 volts? he said the battery is fine and holding charge well? iv being driving the car about with no problems apart from this light? the battery is a halfords battery but looks new? i wasnt sure if the dealer had swopped the batteries but this one isnt large anough or something because everything else is fine and working as it should. anybody have any ideas? got the car from quite a distance away and would like to keep it at home rather than driving it bk to get sorted so any advice would be much appreciated. thanks

Guest DazH

Guest DazH

Posted
Posted

Tell us what type of battery you have. Alot of NutNuts on here drive E46's so they will be able to help :)

Daz

coupe323 Newbie

coupe323

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hi, i cant find a model number on the battery but its a halfords battery so iv been into halfords its looks like a hb093, halfords tell me this is the correct one for my car?

Caz Proficient

Caz

Posted
Posted

Isnt there away you can check if your battery is coping and big enough by running the car and then turning all the lights etc on and seeing if there is a big drop in the revs? Or am I just being silly :unsure:

Guest Mister Dabsy

Guest Mister Dabsy

Posted
Posted

Was a good idea Caz but the alternator deals with the supply while its running ;)

G4VHD Grand Master

G4VHD

Posted
Posted

Whats the voltage on the battery after 1 night with no engine start.

should still read 10 - 12v

Also you could have a bad earth somewhere, or a intermittent alternator.

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