Hello all,
Can I pick everyones brains? option 9 via the OBC for those that have unlocked this, give you the volts, correct?

I have been checking this option 9 and also got Volt readings direct via the jump points under the hood and the readings do not tally, why? is it the same for everyone out there?

Voltage readings VIA jump points & multimeter & after full recharge of battery:
12.95V immediately after full recharge -settled to below
12.74V after 2-3 minutes
9.4V lowest reading whilst cranking crank
14.33V when started and idling no rpms

Volts via OBC and after full recharge:
12.50V immediately after recharge & getting into OBC option 9
9.6V lowest reading whilst cranking
13.9V-14.0V when started and idling no rpms

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E53 X5 3.0d SUV prod.date 11/2004 eng.variant M57N Europe Right hand drive N