'wiring supply voltage' code. ABS problems. Help!!!

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  1. 'wiring supply voltage' code. ABS problems. Help!!! 
    #1
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    evansmummy's Car Details
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    Hi,

    Took my 1 series to the garage as when I'm driving its automatically breaking in short burst then the triangular symbol appears before the ABS symbol comes on.
    Once the ABS symbol comes on the 'breaking' stops and drives ok. If I restart the car the same process happens all iver again.
    Had it into the garage who have put it on diagnostics. First couple of times they just cleared the code and said they cant find a probelm byt this time around the code is shown as 'wiring supply voltage'.
    The garage are flummoxed and said it could be a part that costs £1500!! They want me to take it to bmw for their diagnostics as its more indepth.
    Anyone any wiser?!
    Any advice would be real grateful as an £1500 part isn't my idea of a good xmas present!!!

    Thank you
     
     

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    #2
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    TheEnd's Car Details
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    The £1500 part is the complete brake hydraulic unit. They have had faults before, a different fault, and there was a cut down cheaper repair kit.
    I'm not sure if that cut down repair kit (circa £160) would be a suitable fix though.

    I'd see what BMW say about it though, might be something like an old battery or a relay somewhere.
     
     

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