BMW F12 2011 Technical Training Manual page 21

F12￿Chassis￿Dynamics
3.￿Chassis￿and￿suspension
Index
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10
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Terminal￿30B
3.5.4.￿Notes￿for￿Service
Teach-in￿process
The￿wheel￿electronics￿must￿be￿taught￿in￿under￿the￿following￿circumstances:
• The￿tire￿pressure￿has￿been￿changed
• A￿tire￿change￿has￿been￿carried￿out
• Wheels￿have￿been￿replaced
The￿driver￿can￿start￿the￿teach-in￿process￿via￿the￿Central￿Information￿Display￿(CID)￿and￿the￿controller.
For￿more￿information,￿refer￿to￿the￿vehicle￿owner's￿manual.
Service￿life￿of￿batteries￿for￿wheel￿electronics
The￿service￿life￿of￿the￿batteries￿installed￿in￿the￿wheel￿electronics￿is￿roughly￿7.5￿years.￿The￿current￿val-
ue￿of￿the￿service￿life￿counter￿in￿the￿batteries￿of￿the￿wheel￿electronics￿can￿be￿read￿out￿via￿the￿diagnosis
system.
If￿the￿battery￿is￿fully￿discharged￿or￿faulty,￿a￿fault￿message￿is￿displayed￿via￿the￿TPMS.
Removing/installing￿the￿wheel￿electronics
The￿following￿points￿must￿be￿observed￿when￿removing/installing￿the￿wheel￿electronics￿of￿the￿Tire
Pressure￿Monitor￿System:
Explanation
Wheel￿electronics,￿front￿left
Wheel￿electronics,￿front￿right
Luggage￿compartment￿power￿distribution￿box
Wheel￿electronics,￿rear￿right
Wheel￿electronics,￿rear￿left
Tire￿Pressure￿Monitor￿(TPMS)
Central￿gateway￿module￿(ZGM)
Instrument￿panel￿(KOMBI)
Central￿information￿display￿(CID)
Headunit
Central￿operating￿element
Terminal￿30,￿basic￿operation
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