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: Retainers Stamped Numerical Sequence Chart

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 Spring And Cylinder Position

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 Cylinder Retainer

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: Identifying Ignition Key, Cylinder And Retainer
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 Cylinder Retainer Using Tool

Courtesy of BMW OF NORTH AMERICA, INC.