13-5457 Adapter cable
WARNING: This page does not describe the selected car, but rather 23 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750i, and 2015 BMW 750Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.
0494463 135457 Adapter cable MW
NOTE:
(Pressure control valve adapter cable (700 mm)) From 09/2011 remaining inventories will be sold off and can only be ordered as part of the complete special tool 0494456 (13 5 450). [Not available separately]