battery drain on W-reg 530d Touring. How do I identify the cause?

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Thread: battery drain on W-reg 530d Touring. How do I identify the cause?

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  1. battery drain on W-reg 530d Touring. How do I identify the cause? 
    #1
    Bimmer Fan
    Car Details
    rwilsher's Car Details
    Model of Car:
    530d Touring
    Year of Manufacture:
    2000
    Transmission Type:
    Automatic (Steptronic)
    Car Body Type:
    Touring

    Join Date
    Nov 2012
    Location
    gravesend
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    I'm new to this forum but I'm sure I'll be back again as we have three BMWs in the household (as well as the 530d Touring I have an S-reg 328i Touring, and a V-reg M Coupe). Just recently something has started draining the battery on my W-reg 530d Touring. The radio used to switch off with the ignition but now doesn't. The parking light next to the gear stick stays on even when the car is switched off. Could these things be related to the draining of the battery (which is only 3 months old) and if so what do I do to stop it happening?
     
     

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    #2
    BMW Maestro
    Car Details
    shaft69's Car Details
    Model of Car:
    GTI with meth injection
    Year of Manufacture:
    2001
    Transmission Type:
    Manual
    Car Body Type:
    3dr hatch

    Join Date
    Oct 2008
    Location
    Liverpool
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    Yes sounds like got a fault there will look at schematics tomorrow check on where feed to gear lever light comes from, something not shutting down. But is light still on after an hour you know?? Gear lever light and green light for rear window shut off are 2 of lights we use check BUS system shutting down.
     
     

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    #3
    Bimmer Fan
    Car Details
    eturner's Car Details
    Model of Car:
    320d
    Year of Manufacture:
    2003
    Transmission Type:
    manual
    Car Body Type:
    touring

    Join Date
    Jan 2012
    Location
    hertfordshire
    Posts
    18
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    have you got a meter or a scope? if so you could do with taking off one of the leads of the battery and putting the meter or scope in line with the battery and the car. then with it on amps lock and alarm the car and leave it for about 15-20 mins then look to see what amp draw there is it should me like 0.03 of an amp, if it is more see if you can get to any of the fuse boxes and one at a time remove the fuses to see if the draw gets less.

    once you have done this you should find that one fuse (normally only one) is using the current then you can report back with what fuse is using the current and i can see what is linked with that fuse and find what is on that circuit it will at least narrow it down a bit.

    any thing else let me know and i will do my best to help.
     
     

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