2009 BMW 135i 2D Coupe, StandardFACTORY OEM SERVICE PROCEDURE

Storage of Programming Data

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In it's unprogrammed basic state, the EPROM only contains "resident data". The resident data provides control module/ EPROM identification to the programming software prior to programming.

Fig 1: Identifying EPROM Control Module (Basic State)
G03402956Courtesy of BMW OF NORTH AMERICA, INC.
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