34-3050 Holding sleeve

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.

0492472 343050 Holding sleeve MW

NOTE: (Assembly sleeve) With 22 mm diameter to insert the piston with sleeve into the brake master cylinder [Discontinued]

Fig 1: Identifying Holding Sleeve (0492472)

Courtesy of BMW OF NORTH AMERICA, INC.