13 63 555 Replacing Throttle Potentiometer (S54)

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Interrogate fault memory of DME control unit.

Turn off ignition.

Unlock plug (1) and detach from throttle potentiometer (2).

Release screws (3).

Remove throttle potentiometer (2) from throttle assembly of cylinder 1.

Fig 1: Removing Throttle Potentiometer From Throttle Assembly Of Cylinder

Courtesy of BMW OF NORTH AMERICA, INC.

CAUTION: After working on throttle system (throttle assembly, servomotor, potentiometer), carry out electronic throttle test with DIS Tester or MoDiC without fail:

Service functions.
DME system checks.
Function test.

NOTE: Interrogate fault memory of DME control unit. Check stored fault messages. Rectify faults. Then clear fault memory.