TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from BMW for this TSB. Call your local BMW dealer's service department & ask for a copy of TSB# SIB-11-14-07.

Affected Component: ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER

Summary

BMW VEHICLE: N54 TURBOCHARGER WASTE GATE CONTROL NOISES AND OPERATION. AFTER TURNING OFF ENGINE, A SLIGHT RATTLE NOISE IS HEARD FROM THE ENGINE COMPARTMENT. THIS NOISE IS SIMILAR TO A MECHANICAL TYPEWRITER. IN ADDITION, THE COMPLAINTS OF A SLIGHT REDUCTION OF POWER SIMILAR TO AN INCREASED TURBO LAG. THE VACUUM SUPPLY TO THE WASTE GATES MAY BE RESTRICTED OR BLOCKED. NO MODEL YEARS LISTED. *PE

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