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

Necessary preliminary tasks

If necessary, remove LOCK CYLINDER

NOTE:

Lock cylinder repair kit* (part number: 9 061 387) applicable to: E30
Lock cylinder repair kit* (part number: 9 061 388) applicable to: E31, E32, E34, E36, E38, E39
Lock cylinder repair kit* (part number: 7 001 461) applicable to: E46, E52, E53, E60, E61, E63, E64, E65, E66, E67, E85, E86, E90, E91, E92, E93

* Sourcing reference: BMW Parts Service

Sort supplied retainers (1) by stamped numerical sequence (X) in ascending order and number (Y).

Fig 1: Sorting Retainers By Stamped Numerical Sequence

Courtesy of BMW OF NORTH AMERICA, INC.

Insert spring (1) into first lock cylinder position (2).

NOTE: Lock cylinder version (2) differs from vehicle to vehicle.

Fig 2: Identifying Lock Cylinder And Spring

Courtesy of BMW OF NORTH AMERICA, INC.

Insert retainer (1) with lowest number (X) of first position (Y) in lock cylinder (2) and snap audibly into place.

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

Fig 3: Identifying Retainer And Lock Cylinder

Courtesy of BMW OF NORTH AMERICA, INC.

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

(A) OK
(B) not OK

Fig 4: Ensuring Retainer Is Flush With Housing
Courtesy of BMW OF NORTH AMERICA, INC.

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

Continue with next number (X) higher of first position (Y) until retainer is OK.

The continue with all the other positions in accordance with the above-mentioned procedure.

Fig 5: Pressing Retainer Out Of Lock Cylinder

Courtesy of BMW OF NORTH AMERICA, INC.