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Service bulletin SI-B-51-26-08

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 id10028366
Published by NHTSA2009-03-27
Manufacturer's numberSI-B-51-26-08
Manufacturer's date2008-09-01
NHTSA componentSTRUCTURE; STRUCTURE:BODY; STRUCTURE:FRAME AND MEMBERS

NHTSA's summary

BMW VEHICLE: MODIFYING THE REAR WATER DRAIN HOSES. OVER TIME THE 4 DRAINS MAY BECOME BLOCKED BY LEAVES AND DEBRIS. ONCE CLOGGED, WATER MAY COLLECT AND OVERFLOW INTO TRUNK, DAMAGING VARIOUS ELECTRONIC COMPONENTS. *PE

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

Body and frame

Vehicles listed
BMW 6 SERIES1996 to 2006

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