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SIB 51 29 15: Power window leak

Power window leak on BMW F25/F26 models (2011–2016); the fix is replacing the affected part.

BMW service bulletin · NHTSA ID 10145297 · Jun 2018 · also written SI B51 29 15, B512915

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.

SERVICE ACTION: REAR SIDE WINDOW: Both rear side fixed windows need to be replaced due to incorrect glue application, this may cause a water leak.

NHTSA's summary of this communication (excerpt)

Official document on NHTSA (PDF) →

Details

Bulletin numberSIB 51 29 15
Also written: SI B51 29 15, B512915, 51 29 15, SIB-51-29-15, SI B512915
NHTSA ID10151414, 10147253, 10145297 (revisions)
Document IDs filedB512915
TypeService bulletin
Date (first filed Aug 2015)
ModelsX3, X4
Model years2011–2016
ChassisF25, F26
EnginesN20, N47, N52, N55
Component (NHTSA)Structure › Emergency › Escape/Egress/Exit

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.

Before you pay, check the VIN for recalls. Some failures are covered by a safety recall or a BMW warranty extension.

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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