Engine Controls - MIL ON And DTC 46B7 Stored
SI B13 15 10
Fuel System
February 2011
Technical Service
SUBJECT
M57Y DDE Fault Code 46B7 Swirl Flap Actuator
MODEL
E70 and E90 with the M57Y engine
SITUATION
The Service Engine Soon lamp (MW) is illuminated. Fault Code 46B7, Swirl Flap Actuator, is stored in the DDE.
CAUSE
The linkage rod for the swirl flaps in the intake manifold is binding at the pivot point of the swirl flap actuator.
PROCEDURE
Remove the intake manifold (refer to Repair Instruction REP11 61 050). Turn the manifold over to access the swirl flap actuator (1).
Push the linkage arm (1) down onto the pivot point of the actuator, and install the clip (P/N 11 61 8 511 113) (2) onto the pivot of the actuator so
that it is positioned between the swirl flap linkage and the actuator pivot. Reinstall the manifold.
2010 BMW 335d Sedan (E90) L6-3.0L DSL Turbo (M57Y) Page 209
