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

Necessary preliminary work

Sort supplied retainers (1) according to graphic.

(X) Embossed number on retainer (1)

(Y) Installation position in lock barrel

Fig 1: Identifying Supplied Retainers

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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

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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 Retainer

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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

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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 From Lock Barrel Using Suitable Tool

Courtesy of BMW OF NORTH AMERICA, INC.

5116992 Disassembling and assembling lock barrel (lock barrel removed)