12-7013 Adapter cable
WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.
0491154 127013 Adapter cable MW
NOTE:
(Adapter cable 25-pin) For checking/encoding B of electronic engine power control safety circuit - model series: E31 / engine: M70 [Discontinued]
Storage Location
H 102
Courtesy of BMW OF NORTH AMERICA, INC.