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Service bulletin 3720004

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10006834
Published by NHTSA2004-05-17
Manufacturer's number3720004
Manufacturer's date2004-03-18
NHTSA componentSUSPENSION

NHTSA's summary

DYNAMIC DRIVE FAILURE. FAULTS CODES 5D5B (PRESSURE BUILD UP FRONT AXLE) 5D5C (PRESSURE SENSOR REAR AXLE) MAY BE STORED IN ARS CONTROL UNIT. BMW E65/E66. MODEL YEAR UNKNOWN. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Suspension

Vehicles listed
UNKNOWN UNKNOWN1

Listing a model year does not mean every vehicle of it is concerned: the document says which.