XSeries-forum

Hi,

I inadvertantly drained the battery last Sunday, jumped it off no problems and took it for a 20 mile charge up run. Haven't really used at all since then and when I go to it today it doesn't start (just makes a clicking noise when turning over).

Charged up the battery and she fires first time. I'm wondering would the 20 mile run not have been enough or could the battery be a gonner. There is a good chance the battery is an old one. I understand the Bosch S5 is the battery to get.

Thanks, Gav.

Yes the S5 is the one to get.
Have a look on ECP as mine was only about £86 delivered.

20 miles isn't much really if the battery was that flat, especially if it is an older one which won't actually charge or hold a charge very well.

Have you checked the voltage when the engine is running?


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If the battery is OEM it will have the month and year of manufacture stamped on one of the battery posts. They recommend that they are changed at around 6 years old. I changed mine for a Bosch S5, they can be had from ECP for about £85 with a discount code.
As mentioned above a 20 minute drive isn't really enough to fully charge the battery.
It's worth changing it for a new one for peace of mind, as X5's start to throw up random fault codes when the batteries are on their way out.