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z4 battery drain?

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hi all putting this one out for a work m8  been having trouble with battery drain  car does not do a lot of miles had new battery about 1 month ago all good then been away on holiday for 7 days (some ware hot ) lucky sod :mrgreen:  anyway got back car not been used  but battery flat any pointers on this one maybe relating to  z4s  only  thanks

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First thing to check is the battery earth where it attaches to the boot floor. If they are slightly loose they develop a scale upon them and therefore poor conductivity. I've had this twice on Z3's so defiantly worth a look. There was also a Z4 battery cable recall (?) maybe worth checking that.

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