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SIB 51 26 08: Modifying the rear water drain hoses

Modifying the rear water drain hoses on BMW E63/E64 models (2006); BMW explains the cause and the approved repair.

BMW service bulletin · NHTSA ID 10028366 · Sep 2008 · also written SI B51 26 08, B512608

What it covers

A service bulletin tells BMW technicians how to diagnose or fix a known issue. It is not a recall: a repair under a bulletin is normally paid by the owner unless the car is still under warranty or a warranty extension applies.

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.

NHTSA's summary of this communication (excerpt)

Find it on NHTSA.gov →

Details

Bulletin numberSIB 51 26 08
Also written: SI B51 26 08, B512608, 51 26 08, SIB-51-26-08, SI B512608
NHTSA ID10028366
Document IDs filedSI-B-51-26-08
TypeService bulletin
Date
Models6 Series
Model years2006
ChassisE63, E64
EnginesN62
Component (NHTSA)Structure
Structure › Body
Structure › Frame And Members

Model, year and engine coverage comes from NHTSA's records. Not every car in this range is affected; the official document lists the exact production dates and conditions.

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Source: NHTSA Manufacturer Communications (public data). BimmerBench is not affiliated with BMW or NHTSA. The title and description above are our own plain-English summary; the full bulletin is BMW's document, linked above.

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