51 16 992 Disassembling and assembling lock barrel (lock barrel removed)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2016 BMW 760Li, 2015 BMW 760Li, 2014 BMW 760Li, 2013 BMW 760Li, and 2012 BMW 760Li. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

If necessary, remove LOCK BARREL

Sort supplied retainers (1) according to graphic.

(X) Embossed number on retainer (1)

(Y) Installation position in lock barrel

Fig 1: Identifying Numerical Sequence Of Retainers

Courtesy of BMW OF NORTH AMERICA, INC.

Insert spring (1) into first position of lock barrel (2).

NOTE: Lock barrel version (2) differs according to vehicle.

Fig 2: Identifying Lock Barrel And Spring

Courtesy of BMW OF NORTH AMERICA, INC.

Insert retainer (1) with lowest embossed number (X) of first position (Y) in lock barrel (2) and engage audibly.

NOTE: Number of retainers (1) differs according to vehicle.

Fig 3: Identifying Lock Barrel And Retainers

Courtesy of BMW OF NORTH AMERICA, INC.

Insert ignition key (1) in lock barrel (3) and check whether retainer (2) is flush with housing.

OK
not OK

Fig 4: Checking Proper And Improper Fitting Of Retainer Flush
Courtesy of BMW OF NORTH AMERICA, INC.

If retainer (2) is not OK, press retainer (2) out of lock barrel (3) with a suitable tool (1).

Repeat work operations with retainer (2) with next higher number (X) until correct retainer (2) has been found.

Carry out all further positions in lock barrel as described in the process above.

Fig 5: Pressing Retainer Out Of Lock Cylinder Using Suitable Tool

Courtesy of BMW OF NORTH AMERICA, INC.