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

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. 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 Retainers In Numerical Sequence

G08508009

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 Spring And First Lock Cylinder Position

G08508010

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 Retainer And Lock Cylinder

G08508011

Courtesy of BMW OF NORTH AMERICA, INC.

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

(A) OK

(B) not OK

Fig 4: Checking Retainer Flush

G08508012

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

G08508013

Courtesy of BMW OF NORTH AMERICA, INC.