SI number

Fig 1: Identifying Holder (127120)

Courtesy of BMW OF NORTH AMERICA, INC.

01 28 03 (051)

Consisting of:

1 = 0494856 Holder

NOTE: (Brace wrench) Alternator, N42 engine Replaced by 12 7 123 (0 496 727)

2 = 0494857 Socket wrench

NOTE: For screw with internal serrations (Hazet 8808 lg10)

3 = 0496727 Adapter

NOTE: Adapter with multiple serrations (from 08/2009 as replacement for 12 7 121)