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

Necessary preliminary work:

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: Retainers Stamped Numerical Sequence Chart

G06180372

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 Cylinder Position And Spring

G06180373

Courtesy of BMW OF NORTH AMERICA, INC.

Insert retainer (1) with lowest stamped number (X) in first position (Y) in lock barrel (2) so that it snaps into place audibly.

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

Fig 3: Identifying Lock Barrel Retainer

G06180374

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: Identifying Ignition Key, Lock Barrel And Retainer

G06180375

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 Lock Retainer Using Tool

G06180376

Courtesy of BMW OF NORTH AMERICA, INC.