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Originally Posted by HighlandPete
Are you connected at the battery, or under the bonnet? If misunderstanding your comment, you should be using the connection points (BMW instruction) under the bonnet. It ensures the IBS (Intelligent Battery Sensor) is in circuit, monitoring the battery SoC (State of Charge).
As Robbie has stated, idling a car doesn't do it any good, Plus it may not even charge the battery very much, (if at all), as energy management is controlling the charge state. It is not like a conventional charging system where its aiming for 100% SoC. If the battery is something like 75 - 80% SoC, the alternator will only be supporting that state, not charging the battery.
Even a reasonable run (say 30 miles) may not improve the SoC, unless the battery is really low.
It is prudent to maintain the battery, when we are not using our vehicles on a regular basis.
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Quote:
Originally Posted by HighlandPete
Curious... what did they send you? What suggestions?
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Here's the image of how i have the battery connected - hopefully all is good?
The email they sent was pretty much saying its worth having you battery checked and maintained. Heres the jist of the email if you're interested
Your Battery Maintenance Check will include:
• A battery energy diagnosis check
• All visible battery cables checked to ensure the integrity
• A vehicle health check ensuring that other key components are in good condition such as tyres, lights, fluids and more
• A complete battery top-up charge cycle (if required) or recommendation of a replacement battery if your current charge is depleted or the battery is damaged
• A detailed report on your current battery state as well as an overall vehicle health check report
RRP £24.99
Please note that depending on the condition of your battery and the charge required – your vehicle may need to be left with us for an extended period of time.
Should you require a new battery, the £24.99 charge will be included in the cost of the replacement battery.